Installation and Product Safety Manual MM-014763-001 Rev.
MM-014763-001, Rev. C MANUAL REVISION HISTORY REV. DATE REASON FOR CHANGE - Jun/08 Original release. A Sep/08 Revised specifications, equipment tables, option and accessories tables, list of tools required, and performance test procedures. B Mar/09 Revised specifications, introduction, list of tools required, and information for optional cables. Added information for new microphones with straight connectors. Added wiring diagram.
MM-014763-001, Rev. C TABLE OF CONTENTS Page 1 REGULATORY AND SAFETY INFORMATION.................................................................................... 6 1.1 SAFETY SYMBOL CONVENTIONS................................................................................................. 6 1.2 RF ENERGY EXPOSURE AWARENESS AND CONTROL INFORMATION FOR FCC OCCUPATIONAL USE REQUIREMENTS........................................................................................ 6 1.2.
MM-014763-001, Rev. C TABLE OF CONTENTS (Continued) Page 8.2 8.3 9 8.1.1 Mounting Bracket Installation ..............................................................................................39 8.1.2 Inserting the Radio into the Mounting Bracket.....................................................................43 REMOTE-MOUNT RADIO’S DC POWER INSTALLATION.........................................................43 8.2.1 Overview of On/Off Power Wiring Configurations.................................
MM-014763-001, Rev. C FIGURES Page Figure 5-1: Figure 5-2: Figure 5-3: Figure 6-1: Figure 6-2: Figure 7-1: Figure 7-2: Figure 7-3: Typical Front-Mount Mobile Radio Installation in a Standard Passenger Vehicle .......................... 24 Typical Remote-Mount Mobile Radio Installation in a Standard Passenger Vehicle....................... 24 M7300 Front-Mount and Remote-Mount Mobile Radios — Front and Rear Views........................ 25 Recommended Antenna Mounting Locations with Antenna Part Numbers ..
MM-014763-001, Rev. C 1 REGULATORY AND SAFETY INFORMATION 1.1 SAFETY SYMBOL CONVENTIONS The following conventions are used in this manual to alert the user to general safety precautions that must be observed during all phases of operation, installation, service, and repair of this product. Failure to comply with these precautions or with specific warnings elsewhere violates safety standards of design, manufacture, and intended use of the product.
MM-014763-001, Rev. C both workers and the general public. These recommended RF exposure levels include substantial margins of protection. All two-way radios marketed in North America are designed, manufactured, and tested to ensure they meet government-established RF exposure levels. In addition, manufacturers also recommend specific operating instructions to users of two-way radios.
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MM-014763-001, Rev. C 1.3.2 Approved Accessories The radio has been tested and meets FCC RF guidelines when used with accessories supplied or designated for use with it. Use of other accessories may not ensure compliance with the FCC’s RF exposure guidelines, and may violate FCC regulations. For a list of approved accessories refer to Section 4 in this manual (begins on page 18) and/or the Products and Services Catalog. 1.3.
MM-014763-001, Rev. C • Electric Blasting Caps — To prevent accidental detonation of electric blasting caps, DO NOT use two-way radios within 1000 feet (305 meters) of blasting operations. Always obey the “Turn Off Two-Way Radios” (or equivalent) signs posted where electric blasting caps are being used. (OSHA Standard: 1926.900).
MM-014763-001, Rev. C 1.7 OPERATING RULES AND REGULATIONS Two-way radio systems must be operated in accordance with the rules and regulations of the local, regional, or national government. In the United States, the M7300 mobile radio must be operated in accordance with the rules and regulations of the Federal Communications Commission (FCC). Operators of two-way radio equipment, must be thoroughly familiar with the rules that apply to the particular type of radio operation.
MM-014763-001, Rev. C 2 SPECIFICATIONS1 2.1 GENERAL Dimensions, Front-Mount Mobile Radio: (Height x Width x Depth) 2.4 x 6.9 x 11.3 inches (6.1 x 17.5 x 28.7 centimeters) (Includes knobs but not space required for mounting bracket and cables at rear of radio) Dimensions, Remote-Mount Mobile Radio: (Height x Width x Depth) 2.0 x 6.9 x 9.2 inches (5.1 x 17.5 x 23.
MM-014763-001, Rev. C Transmit: 700 MHz Talk-Around Operation: 700 MHz Repeater Operation: 800 MHz Talk-Around Operation: 800 MHz Repeater Operation: 2.3 3 764 to 767 MHz, 769 to 775 MHz and 773 to 776 MHz 794 to 797 MHz, 799 to 805 MHz and 803 to 806 MHz [See footnote 3] 851 to 869 MHz 806 to 824 MHz Transmit Output Power: 700 MHz Band RF Channels: 800 MHz Band RF Channels: 1.5 to 19 watts (programmable range) 5 to 35 watts (programmable range) Channel Spacing: 12.
MM-014763-001, Rev. C 3 INTRODUCTION This manual contains installation procedures for the M7300 mobile radio and the CH-721 control heads. Procedures cover the mounting and cabling of the equipment, as well as the basic test procedures. In addition, product safety-related information is included. 3.1 GENERAL DESCRIPTION The M7300 mobile radio is a high-performance dual-band digital mobile radio.
MM-014763-001, Rev. C As shown in Figure 8-7 on page 50, the CH-721 Scan and System model control heads used in remotemount radio installations have several connectors located on the head’s rear panel. These connectors include a DC power connector, two (2) CAN port connectors used for CAN link interconnections, an external speaker connector, a 9-pin serial port connector for connecting optional equipment such as a mobile data terminal, and a 25-pin accessory connector.
MM-014763-001, Rev. C The M7300 mobile radio supports operation on APCO Project 25 phase I compliant Common Air Interface (P25 CAI) trunked radio networks, and operation in a talk-around mode in accordance with the APCO Project 25 phase I standard. P25 radio systems utilize Improved Multi-Band Excitation (IMBE) speech and data compression technology, also developed by Digital Voice Systems, Inc.
MM-014763-001, Rev. C 3.3 REPLACEMENT PARTS Replacement parts can be ordered through the Customer Resource Center. To order replacement parts through the Customer Resource Center, call, fax or e-mail our ordering system: United States and Canada: • Phone Number: 1-800-368-3277 (toll free) • Fax Number: 1-800-833-7592 (toll free) • E-mail: customerfocus@tycoelectronics.com International: 3.
MM-014763-001, Rev. C 4 UNPACKING AND CHECKING THE EQUIPMENT 4.1 MATERIALS A typical set of materials for an M7300 mobile radio installation includes: • M7300 Mobile Radio — See Table 4-1 below for catalog and part numbers. • CH-721 Scan or System Control Head — See Table 4-2 below for catalog and part numbers. • Installation Kit MAMW-NZN6W for Front-Mount M7300 — Contents listed in Table 4-3. or: Installation Kit MAMW-NZN7R for Remote-Mount M7300 and CH-721 — Contents listed in Table 4-4.
MM-014763-001, Rev. C Table 4-3: Installation Kit MAMW-NZN6W for Front-Mount M7300 Mobile Radio ITEM QTY. PART NUMBER DESCRIPTION 1 1 KT101533V1 Kit, Front-Mount Mounting Bracket. Includes M5300/M7100/M7300 Mounting Bracket FM101319V1 (marked KTB0310), M5 stainless-steel hardware to attach radio to bracket, self-tapping hardware to attach bracket to mounting surface, ½-inch rubber grommet, and 7-inch cable ties. See Figure 7-2 on page 33. 2 1 CA-012365-001 Cable, M5300/M7300 DC Power.
MM-014763-001, Rev. C Table 4-5: Additional Options and Accessories for M7300 Mobile Radios PART NUMBER AN-025167-001 (Cat. No. MAMW-NAN3J) Antenna, 700/800 MHz, Standard Rooftop-Mount, 3 dBd Gain, NMO Mounting Base, 15-foot (4.6-meter) RG-58 A/U (or equivalent) Low-Loss RF Cable, Male TNC and Mini-UHF RF Connectors; Factory-Tuned AN-025167-002 Antenna, 700/800 MHz, Elevated-Feed, Rooftop-Mount, 3d dB Gain, NMO Mounting Base, 15-foot (4.
MM-014763-001, Rev. C Table 4-5: Additional Options and Accessories for M7300 Mobile Radios (Cont.) PART NUMBER CA-012349-001 DESCRIPTION Cable, M5300/M7300 Option. See page 60. (Cat. No. MAMW-NCL8B) CA-013671-010 Cable, TIA/EIA-232 Serial Programming (10 feet). See page 63. CA-013671-020 Cable, TIA/EIA-232 Serial Programming (20 feet). See page 63. CN-014756 KT-012350-001 Connector, RF; TNC Male Crimp-Type for RG58U, RG58A/U and RGU400 Coaxial Cable Kit, GPS Receiver for M5300/M7300 (Cat. No.
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MM-014763-001, Rev. C 5 PLANNING THE INSTALLATION 5.1 GENERAL INFORMATION Figure 5-1 on page 24 illustrates a typical front-mount radio installation, and Figure 5-2 on page 24 illustrates a typical remote-mount radio installation. Before starting, plan the installation carefully so it will meet the following requirements: • The installation is safe for the operator and passengers within the vehicle. • The equipment is installed away from the airbag deployment areas.
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MM-014763-001, Rev. C 5.3 LOCATING COMPONENTS Plan the mounting locations of all components (radio, control head, antenna, and cables) and determine the routes for all wiring and cables. Particularly consider the connection of the radio for planning purposes. 26 • Determine the customer’s preferences, if any, for location of components.
MM-014763-001, Rev. C 6 ANTENNA INSTALLATION 6.1 ANTENNA MOUNTING LOCATIONS At this time, review all information presented in the REGULATORY AND SAFETY INFORMATION section of this manual (see page 6). A transmitting antenna must be installed in accordance with the guidelines presented in the REGULATORY AND SAFETY INFORMATION section.
MM-014763-001, Rev. C 6.1.1 Direct Center or Center-Rear of Rooftop The center of the vehicle’s roof is the best location for a rooftop-mount antenna (location n in Figure 6-1). For optimal performance, the mounting area under the antenna must be a flat with a minimum radius of six (6) inches of metal ground plane. It must be located directly in the center of the roof to minimize human exposure to RF electromagnetic energy.
MM-014763-001, Rev. C Actual Size; Dimensions are in Inches (VS-AN-025167-010 Rev. A) Figure 6-2: Crimping Instructions for TNC RF Connector 4. The antenna cable is connected to the radio’s TNC receptacle-type (female) RF connector per a procedure presented later in this manual. The cable and its TNC connector must be protected from damage, dirt, and/or metal shavings which may be generated during the mechanical and electrical installation of the radio.
MM-014763-001, Rev. C 2. Route the cable from the antenna base to the location of where the radio will be installed. Remove headliner panel, interior panels, etc., as necessary. The cable must be kept out of casual contact from persons within the vehicle. Tie and stow it as necessary to protect it from possible chafing. 3. The antenna cable is connected to the radio’s SMA receptacle-type (female) RF connector per a procedure presented later in this manual.
MM-014763-001, Rev. C 7 FRONT-MOUNT RADIO INSTALLATION This section includes detailed instructions for mechanically installing and wiring a front-mount M7300 mobile radio. For remote-mount M7300 mobile radio installation procedures, refer to Section 8 which begins on page 39. 7.1 MOUNTING THE FRONT-MOUNT RADIO The Mounting Bracket Kit for the front-mount M7300 mobile radio includes a heavy-gauge steel U-shaped mounting bracket. The radio should be attached to a mounting surface using this bracket.
MM-014763-001, Rev. C REAR VIEW 2.0 inches (51 mm) 6.9 inches (175 mm) TOP VIEW (Partial View of DC Power Cable) 10.5 inches (267 mm) 0.8 inches (20 mm) FRONT VIEW 2.
MM-014763-001, Rev. C 7.1.1 Mounting Bracket Installation The front-mount M7300 radio’s mounting bracket is included with the Front-Mount Mounting Bracket Kit KT101533V1. Kit contents are shown in Figure 7-2. This kit is Item 1 listed in Table 4-3 (page 19).
MM-014763-001, Rev. C TOP VIEW (Dimensions in Inches) SIDE VIEW Bracket-To-Vehicle Screw Holes (11 places) FRONT/REAR VIEW (Dimensions in Inches) Bracket-To-Radio Screw Holes (10 places,5 each side) (Made From KBT0310B) Figure 7-3: Mounting Bracket FM101319V1 (Marked KTB0310) Dimensions [for Front-Mount M7300 Mobile Radio (Radio Not Shown)] 3.
MM-014763-001, Rev. C 6. Using the bracket as a template, and/or the dimensional information shown in Figure 8-3, mark and drill at least four (4) mounting holes into the mounting surface as required per the type of hardware used. CAUTION Before drilling holes and/or installing mounting screws, verify these operations will not damage or interfere with any existing vehicle component (the fuel tank, a fuel line, the transmission housing, existing vehicle wiring, etc.).
MM-014763-001, Rev. C radio. The white wire of the radio’s DC Power Cable is connected to a fused switched power source, typically identified as vehicle “Accessory” power. This source must switch on (up to positive (+) battery voltage potential) when the vehicle’s ignition switch/key turns on, and it must switch off (to near zero volts) when the ignition switch/key turns off. The required fuse rating is 3 amperes.
MM-014763-001, Rev. C 6. Crimp a ⅜-inch non-insulated ring terminal (supplied with the cable) to the end of the black wire. 7. Attach the ring terminal and black wire to the bare metal surface using stainless-steel self-locking hardware (i.e., machine screws with washers and locking nuts) or other appropriate hardware to ensure a reliable terminal-to-metal contact. Tighten securely. 8. Apply an approved paint or rust-inhibitor over the remaining exposed bare metal surface and around the ring terminal. 7.2.
MM-014763-001, Rev. C 7. Label this fuse holder and red wire appropriately (e.g., “M7300 Main Power: 15-AMP FUSE”). 8. Do NOT install a fuse into the fuse holder at this time. 9. Crimp an appropriate electrical terminal to the short red wire. A corrosion-resistant ⅜-inch ring terminal is included with the cable for this purpose, but another size corrosion-resistant terminal type (not supplied) may be used if required. 10.
MM-014763-001, Rev. C 8 REMOTE-MOUNT RADIO INSTALLATION This section includes detailed instructions for mechanically installing and wiring a remote-mount M7300 mobile radio. For front-mount M7300 mobile radio installation procedures, refer to Section 7 which begins on page 31. 8.1 MOUNTING THE REMOTE-MOUNT RADIO This section provides details on mounting a remote-mount M7300 mobile radio in the vehicle. Control head installation procedures are included in Section 8.3 which begins on page 48.
MM-014763-001, Rev. C REAR VIEW 2.0 inches (51 mm) 6.9 inches (175 mm) TOP VIEW (Partial View of DC Power Cable) 9.2 inches (234 mm) 6.9 inches (175 mm) FRONT VIEW 2.
MM-014763-001, Rev. C M5 Hardware for Securing Radio to Bracket Mounting Bracket FM103111V1 Figure 8-2: Remote-Mount Mounting Bracket Kit KT23117 Typically, the radio’s mounting bracket is mounted in the vehicle’s trunk, on the top surface of the trunk tray or on the trunk floor. However, it can be suspended from the trunk’s rear deck if the surface is completely flat and the thickness of deck’s sheet metal is adequate.
MM-014763-001, Rev. C 5. Install and tighten the mounting screws/hardware. 6. Verify the bracket is firmly secured to the mounting surface. A secure mount prevents unreasonable vibration, which could damage the radio and/or cause its cable connections to loosen. TOP VIEW (Dimensions in Inches) SIDE VIEW Rear of Bracket Bracket-To-Radio Screw Holes (6 places, 3 each side) Bracket-To-Vehicle Screw Holes (4 places) Front of Bracket FRONT VIEW (Dimensions in Inches) (Made From FM103111 Rev.
MM-014763-001, Rev. C 8.1.2 Inserting the Radio into the Mounting Bracket The radio should now be inserted into the bracket according to this procedure: 1. Lay the radio down into the mounting bracket with the front of the radio at the front of the mounting bracket. 2. Attach the radio into the mounting bracket using the six (6) M5 x 10 mm stainless-steel socket-head screws, and flatwashers and lockwashers included with the Mounting Bracket Kit (item 1 in Table 4-4).
MM-014763-001, Rev. C control head’s DC Power Cable must be connected to unswitched and fused vehicle power. The required fuse rating is 3 amperes. In all of the above cases, both the radio’s main DC power input (red wire) and the control head’s main DC power input (also a red wire) must each be connected through an in-line fuse to unswitched vehicle DC power. The red wire of the radio’s DC Power Cable must be connected to raw battery power (positive battery terminal) via the supplied fuse.
MM-014763-001, Rev. C 8.2.2.2 Red Wire and Main Fuse Holder Connection (Radio’s Main Power Wire) 1. Continue installation of the radio’s DC Power Cable by routing its 20-foot 10-AWG red wire to the location of the vehicle’s battery (or its main DC bus bar or stud). Remove interior panels, door kick panels, etc., and route the wire through existing channels in the vehicle body as necessary. Protect the wire from possible chafing where necessary. Tie and stow the wire as necessary.
RED WHITE RED RED RED MM-014763-001, Rev.
MM-014763-001, Rev. C Figure 8-4: Wiring Diagram for a Remote-Mount Radio Installation (Cont.
MM-014763-001, Rev. C 10. Connect the ring terminal directly to the battery’s positive post (or if present, to a stud on the battery’s main/non-switched power distribution terminal block). Most M7300 radio installations have one or more control heads connected to the radio. In an installation of this type, the white wire of the radio’s DC Power Cable requires no electrical connection.
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MM-014763-001, Rev. C Serial Port Connector (DB-9) CAN Port Connectors (2 places) Speaker Audio Connector Accessory Connector (DB-25) DC Power Connector Note: Serial and Accessory connectors are shown without waterproof covers. Figure 8-7: CH-721 Rear Panel (both control head models) Prior to installing the control head, verify it has the proper software version installed and verify it has been properly configured for customer use.
MM-014763-001, Rev. C 8.3.2 Control Head Mechanical Installation 8.3.2.1 Selecting the Mounting Location When selecting a location for the CH-721 control head, first observe the safety and operator-convenience related information presented in Section 5.1 on page 23. Always consider and include clearance for the microphone’s connector that must mate to the mic connector on the front panel of the head, and clearance for the connectors/cables that must mate to the connectors on the rear panel of the head.
MM-014763-001, Rev. C 8.3.2.2 Using the Standard U-Shaped Mounting Bracket If the standard U-shaped mounting bracket will be used to mount the control head, the following mounting procedure is recommended. As listed in Table 4-4 on page 19, this bracket is item 2 in the Installation Kit. 1. Using the mounting bracket as a template, mark and drill mounting holes into the mounting surface as required.
MM-014763-001, Rev. C cable and CAN terminator connections for a single control head installation. Figure 8-11 illustrates this for a multi-head control head installation where, for example, one control head is located at the main operator location and another is located near the rear of the vehicle. Because CAN devices do not have internal terminators, the CAN link must be terminated at both ends via external CAN terminators, as depicted in the following figures.
MM-014763-001, Rev. C are located near the center of the radio’s rear panel. Figure 8-7 on page 50 shows the two CAN port connectors on the control head’s rear panel. 8.3.3.2 Make CAN Link Terminations and Cable Connection Follow this procedure for an installation which has only one control head. For a multi-control head installation, refer to Figure 8-11 as necessary. 1.
MM-014763-001, Rev. C 5. At the back of the control head, tie and stow the cable as necessary. 6. For the positive 12-volt DC main power source connection, route the cable’s red wire to the location of an unswitched 12-volt DC power source, typically near the vehicle’s battery. Remove interior panels, door kick panels, etc. Protect the wire from possible chafing as necessary. This is the control head’s main DC power source. 7.
MM-014763-001, Rev. C 2. Route the white wire of the control head’s DC Power Cable from the back of the head to the area near this connection point. Protect the wire from possible chafing as necessary. 3. Obtain one of the waterproof (HFB-type) fuse holders included with the control head’s DC Power Cable. 4. Cut excess length from the white wire and splice the fuse holder into it, near the location of the connection point. 5.
MM-014763-001, Rev. C 8.3.4.2.3 Control Head and Radio Are “Hot Wired” In the “hot-wired” configuration, the control head and radio are turned on and off only by the control head’s on/off/volume control located on the front panel of the control head. In this configuration, the control head’s white wire must be connected to unswitched and fused 12-volt vehicle power. Follow the procedure presented in Section 8.3.4.2.
MM-014763-001, Rev. C 9 SPEAKER INSTALLATION 9.1 FRONT-MOUNT RADIO INSTALLATION In a front-mount radio installation, total speaker cable length (of both cables) is approximately 10 feet (308 centimeters). Therefore, to include service loops in these cables, the speaker must be mounted within approximately 9.5 feet (290 centimeters) of the M7300 mobile radio. 1. Select a location for the speaker that will allow for proper listening range with a moderate volume setting. 2.
MM-014763-001, Rev. C 10 MICROPHONE ATTACHMENT There are several versions of microphones available for use with the radio. Each has a 17-pin flush-mount type connector that mates with the mic connector on the front panel of the control head. The mic’s connector includes a captive thumbscrew that secures it to the mic connector on the front panel of the control head. A microphone clip is included with each microphone.
MM-014763-001, Rev. C 11 OPTIONAL CABLES 11.1 M5300/M7300 OPTION CABLE CA-012349-001 M5300/M7300 Option Cable CA-012349-001 connects to the 44-pin I/O connector on the rear of the radio. It breaks out into several smaller standardized connectors, allowing straightforward access to external I/O interfaces provided by the radio. The cable also shortens radio removal and re-installation time when required. The cable is shown in Figure 11-1 below.
MM-014763-001, Rev. C P3, the cable’s 6-pin connector, is a connector for basics accessories (e.g., hookswitch, etc.). P4, the cable’s D-subminiature 25-pin connector, provides audio and data connections for optional equipment such as an external siren and light system (e.g., Federal Signal SS2000 SmartSiren®).
MM-014763-001, Rev. C Table 11-1: M5300/M7300 Option Cable CA-012349-001 Interconnections 44-PIN I/O CABLE CONNECTOR P1 PIN TO/FROM DESCRIPTION In a front-mount M5300/M7300 radio installation, MICHI and EXTALO provide the public address (PA) mic audio from the mounted (local) CH-721 to the siren and light system (e.g., Federal Signal SS2000 SmartSiren). Pin 11 connects to SS2000’s DB-9 pin 5. Pin 12 connects to SS2000’s DB-9 pin 6. For a remote-mount radio installation, see footnote 5.
MM-014763-001, Rev. C 11.2 SERIAL PROGRAMMING CABLES CA-013671-010 AND -020 Serial Programming Cable CA-013671-010 (10 feet long) or CA-013671-020 (20 feet long) can be used to program and configure the M5300 mobile radio via a Personal Computer. Also, either cable can be used to extend GPS NMEA-formatted serial data connections available at connector P5 of the radio’s Options Cable. The cables’ assembly and wiring diagrams are shown in Figure 11-2 below.
MM-014763-001, Rev. C 11.3 CH-721 OPTION CABLE CA-011854-001 CH-721 Option Cable CA-011854-001 can be used to connect optional equipment to the 25-pin D-subminiature (DB-25) connector on the rear of the CH-721. This cable expands the connections available at the 25-pin connector to three (3) separate connectors. The cable’s assembly and wiring diagrams are shown in Figure 11-3 below. (Made From PS-CA-011854 Rev.
MM-014763-001, Rev. C 11.4 CH-721 SERIAL PROGRAMMING CABLE CA-104861 Serial Programming Cable CA-104861 (5 feet) can be used to program and configure the CH-721 control head via a Personal Computer. This cable has a female DB-9 connector on one end for connection to the PC’s serial port connector and a male DB-9 connector on the other end for connection to the serial port connector on the rear of the head. The cable’s assembly and wiring diagrams are shown in Figure 11-4 below.
MM-014763-001, Rev. C 12 GPS NMEA-FORMATTED SERIAL DATA CONNECTION To obtain GPS NMEA-formatted serial data from the radio, use of the M5300/M7300 Option Cable CA-012349-001 is required. Follow this procedure to complete the GPS NMEA-formatted serial data connections: 1. Obtain M5300/M7300 Option Cable CA-012349-001. Each “leg” of this cable is approximately 65 inches long (166 centimeters). 2.
MM-014763-001, Rev. C 13 INITIAL POWER-UP TEST 1. At the radio’s main waterproof (HFB-type) fuse holder installed near the vehicle battery, insert the 15-amp AGC-type fuse that was included with the radio’s DC Power Cable. 2. Tie and stow all fuse holders at this location to prevent excess vibration/movement. 3. Carefully reconnect the vehicle’s battery ground cable. 4.
MM-014763-001, Rev. C 14 PERFORMANCE TESTS This section includes procedures to verify the performance of the installation’s mobile antenna system. There are three (3) procedures in this section: • Changing Operating Mode for Tests • Testing by Transmitting into a Dummy Load (a 50-Ohm RF Terminator) • Testing by Transmitting into the Mobile Antenna CAUTION The accuracy of test results depends upon a DC power source in the range of 13.8 to 16 volts DC, with a current capacity of greater than 8 amps.
MM-014763-001, Rev. C 4. Confirm the selection by pressing the MENU button, then toggling the Ramp Control once (to select Y for Yes), followed by pressing the MENU button again. The radio will enter the selected mode as indicated by the display. 5. Select a conventional channel for test transmissions using either the •/•• Ramp Control or the System/Group/Channel Selection Control (required control per programming). 14.1.2 Changing from Conventional to OpenSky 1.
MM-014763-001, Rev. C 14.3 TRANSMITTING INTO A DUMMY LOAD 1. Using the Type N male to TNC male RF coaxial jumper cable, connect the radio’s antenna connector to the wattmeter’s input connector. Refer to Figure 14-1 as necessary. 2. Connect the 50-ohm dummy load to the wattmeter’s output connector, in place of the antenna cable from the vehicle-mounted 700/800 MHz antenna. As previously stated, if conventional mode is not available per radio programming (i.e.
MM-014763-001, Rev. C 6. For conventional mode transmissions, set the wattmeter to measure average RF power. For OpenSky mode transmissions, set the wattmeter to measure peak RF power. 7. Key the radio’s transmitter via the microphone’s PTT button. 8. For a 700 MHz band transmission, compare the wattmeter’s reading with the target RF output power range of between 15.1 and 23.9 watts (19 watts ±1 dB). This transmit output power range assumes the radio is currently configured for high-power transmit.
MM-014763-001, Rev. C Transmit only for as long as needed to take the measurement, then immediately disable the transmission. 8. If the wattmeter reading is within the range, record the value in the appropriate space on the data collection form near the end of this manual. If the wattmeter reading is outside the range, verify the radio’s power supply voltage (i.e., battery voltage) is within the specified range, recheck all connections, and measure the forward power again.
MM-014763-001, Rev. C 14.5 TEST PERFORMANCE DATA FORM Clip Here Enter the information requested on this data collection form. Clip this form and file it as a permanent record of the tested performance of the M7300 mobile radio installation.
MM-014763-001, Rev. C 15 COMPLETE THE INSTALLATION Double-check the following items before considering the installation completed: 74 • Verify all newly installed mechanical hardware is mounted securely and all respective mounting hardware is tight. • Verify all electrical interconnections are connected properly and the associated connector attachment hardware is tight. Pay special attention to all RF antenna cables! • Verify all related fuses are correctly installed and properly rated.
MM-014763-001, Rev. C 16 WARRANTY A. M/A-COM, Inc. (hereinafter "Seller") warrants to the original purchaser for use (hereinafter "Buyer") that Equipment manufactured by or for the Seller shall be free from defects in material and workmanship, and shall conform to its published specifications. With respect to all non-M/A-COM Equipment, Seller gives no warranty, and only the warranty, if any, given by the manufacturer shall apply.
Tyco Electronics Wireless Systems 221 Jefferson Ridge Parkway Lynchburg, Virginia 24501 (Outside USA, 1-434-385-2400) Toll Free 1-800-528-7711 www.tewireless.com Printed in U.S.A.
