VHF/UHF FM TRANSCEIVER DJ-C7 T/E Instruction Manual Thank you for purchasing this ALINCO transceiver. This instruction manual contains important safety and operation instructions. Please read it carefully before using the transceiver and be sure to keep it for future reference. ALINCO, INC.
NOTICE / Compliance Information Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Contents Before Operating the Transceiver...................................5 Attention ...................................................................................5 Points to Note Before Transmitting...........................................5 Points to Note When Using an External Power Supply ............5 1. Functions and Features...............................................6 1.1 Standard Accessories ........................................................6 2. Accessories......................
7. Cloning .......................................................................27 7.1 Cloning .............................................................................27 ■Connecting the Transceiver ......................................27 ■Receiving the Master Data ........................................27 ■Transmitting Data from the Master Transceiver ........27 8. Maintenance and Reference .....................................29 8.1 Troubleshooting.................................................
Before Operating the Transceiver Attention • Do not open the case or touch the interior components. Tampering can damage the equipment. • Do not expose the transceiver to direct sunlight, dusty places or place it near sources of heat. • Keep the transceiver away from TVs, tuners or other equipment if it interferes with reception. • Securely connect the antenna included with the transceiver. • When transmitting for a long time, the transceiver can overheat.
1. Functions and Features 1 • 39 CTCSS tone squelch settings • Tone burst function (1000,1450,1750 and 2100Hz) • Split function • Cloning • Li-ion Battery adoption • Wide band receive including FM broadcast • SMA antenna port • Auto-repeater setting 2 Functions and Features / Accessories 2. Accessories 2.1 Attaching the Accessories ■Connecting and Disconnecting the Antenna ●Connecting 1.Connect the helical antenna to the antenna connector at the upper left corner. 2.
■Attaching and Detaching the Battery Pack ●Attaching Projections 1.Align the projections on the battery pack with the pits on the transceiver. Pits Latch ●Detaching 1.Push the latch upward. Latch 2.Pull out the battery pack in the direction of the arrow shown left. • The battery pack is not charged when shipped. It must be charged before using. • The battery pack can be charged by mounting it on the DJ-C7 and connecting AC battery charger to the DC power supply jack on the transceiver.
■Preventing Short Circuiting the Battery Pack Be extra cautious when carrying the battery pack; shortcircuiting will produce surge current possibly resulting in fire. 2 ■AC Battery Charger (EDC-126/128) ●Recharging AC adaptor plug Accessories Power plug Terminals 1.Mount the battery pack on the transceiver. 2.Connect AC adaptor plug to the external power supply jack on the transceiver. 3.Connect the power plug to an outlet.
3. Control Functions 3.1 Name and Operation of Transceiver Controls ■Top and Front Views Item 1 2 SP/MIC Connector 2 Dial 3 TX/RX Lamp 4 Keypad 5 FUNC Key 6 Microphone 7 8 9 Speaker Power Key Display (LCD) 9 4 8 5 6 7 3 For connection of the optional external speaker (8Ω) and microphone (2kΩ) with 2.5ø stereo plug. Rotate this dial to select transmitting / receiving frequency, memory channel, and other functions.
■Side View Item 3 Control Functions 10 SMA Antenna Connector 11 PTT Key 12 MONI Key 13 DC-IN Jack 10 11 12 10 13 Description For connection of the included helical antenna. If you use another antenna, choose one with a low SWR (Standing Wave Ratio) designed for VHF and UHF frequencies. Press this key to transmit. When the key is released, the transceiver returns to the receiving mode. When this key is pressed, the squelch is unmuted and you can hear the received signal.
3.2 Keypad 3 Control Functions Key V/M SCAN BAND FUNC PWR Dial Independent Operation Switches between the VFO and Memory mode. (See on P.14) Starts and stops scanning. (See on P.19-20) Switches among bands. (See on P.15) Switches among functions. Turns power ON/OFF. (See on P.13) Adjusts volume, squelch, and other parameters/values. (See on P.13,14,23) Press FUNC While is ON Press Key for 1 Sec Programs to memory Starts the Priority monitoring channels. (See on P.16) function. (See on P.
3.3 Display 1 3 16 Control Functions 15 4 5 6 14 13 12 12 3 2 11 10 9 9 8 7 1 Appears when the 2 Appears when keys are locked. 10 Appears when the battery save function is on. 3 Indicates the shift (+/-) direction or split operation. 11 Appears when the auto power off function is activated. 4 Appears when the tone squelch is set. 12 Appears when the reverse tone squelch is set. 5 Appears when the bell function is on. 13 Appears when the repeater mode is on.
4. Basic Operations 4.1 Turning the Power ON Hold the second. 4.2 Adjusting the Audio Volume key down for a • There are 31 volume levels. (00-30) • Default is set to 10. 1. Press the dial once. To turn the power OFF, hold the key down until the display disappears. " " will be displayed on the LCD indicating the present volume level. 4 Basic Operations Caution If the external power supply is over 6.5 volts, "dC-ovEr" is displayed on the LCD with the red and green LEDs alternately blinking.
4.3 Adjusting the Squelch The squelch is a function for eliminating noise when no signals are present. "To open the squelch" means that the DJ-C7 monitors any signals stronger than the squelch level you set. • There are 10 squelch levels. (0-9) • Default is set to 3. 1. Press the dial twice. 4 4.4 Operating Modes The DJ-C7 has two operating modes; VFO mode and Memory (MR) mode. ■Switching Between Modes Every time you press the key, the operating mode can be switched between these two.
■Entry Completion Digit for Different Tuning Steps 4.5 VFO Mode This is the mode which is set as the factory-shipped configuration. Radio frequencies and various settings can be changed by rotating the dial in this mode. 1. Press the tuning step. ■Switching the Band Every time you press the can be switched in order. Default VHF The tuning step can be changed. You may choose one of the selections as follows: Auto, 5, 6.25, 8.33, 10, 12.5, 15, 20, 25, 30, 50, 100, 125, 200 kHz.
4.6 Memory Mode This mode allows you to program frequencies into the DJ-C7 memory. A programmed frequency is called a channel. The DJ-C7 has four types of memory functions; Memory channel (general), Program scan channel, Priority channel, and VFO auto programmed channel. ■Types of Memory Memory channel (general) (0-199) 4 Basic Operations Program scan channel (0A, 0b-4A, 4b) Priority channel (PRI) VFO auto programmed channel (AH, AL) This is a channel which is called up in the Memory mode.
■Clearing a Memory Channel ■Contents of Memory Channel 1. Set the Memory Write Protect function to OFF, if necessary. For more information on this function, please refer to "Memory Write Protect function" on P.26. 2. Press the key to switch to the Memory mode. 3. Rotate the dial to select the memory channel number you wish to delete. 4 key while the Basic Operations 4. Press the key, and press the icon appears on the LCD.
4.7 Receiving 1. Adjust the volume level. (See on P.13) 4.8 Transmitting 1. Select a frequency on which you wish to transmit signals. 2. Adjust the squelch level. (See on P.14) 2. Press the PTT key. 3. Select the frequency on which you wish to receive signals. When a signal is received on the frequency you selected, the icon will appear at the lower right of the LCD, and signal level indicators are displayed according to the strength of received signals, as well.
5. Advanced Operations 5.1 Scanning 3. Release the This function automatically searches for active frequencies to help you locate a signal that you wish to receive. There are two types of scanning; Busy scan and Timer scan. The default is set to Busy ("bUSY") scan. Switching between those two types can be done in the Setting mode. (See on P.26) Busy scan: If no signal is monitored after scanning stops, it will search for another frequency. 4.
4. Rotate the dial in the clockwise direction to scan in the UP direction. Conversely, rotate the dial in the counter-clockwise direction to scan in the DOWN direction. Tip With the DJ-C7 the "Memory Skip" function, which excludes specified channels during a scan, or the "Memory Bank" function, which divides channels into several groups, is NOT available. 5. Press any key other than the MONI key to stop scanning. 5.
5.4 Priority 5.5 Tone Squelch and Related Functions This function monitors two frequencies alternately to increase efficiency for receiving signals. Every 5 seconds, the DJ-C7 momentarily switches from the specified frequency to the frequency which is programmed as the priority channel (see on P.16) for 0.5 seconds. 1. Hold the key down for a second to start the Priority monitoring function. The icon will appear on the LCD. 2.
6. To deactivate the Tone Squelch function, repeat steps 3. Release the 1 to 4, and press the key during step 4. After the icon* is displayed, press the key again to display " ". With the OFF state, press the PTT key or wait 5 seconds to deactivate the Tone Squelch function. The and icon disappear. * See the following for details. 7. While the icon is displayed on the LCD during the setting, press the PTT key or wait 5 seconds to perform the Reverse Tone Squelch.
6. Parameter Setting Mode The DJ-C7's Setting mode is used to set the various operating functions. 6.1 Mode Setting Items (1) Audio Volume Level (2) Antenna Type (3) Repeater function 6.2 Selecting the Setting Mode 1. Press the key, and press the dial once while the icon appears on the LCD. It switches to the Setting mode, and the item name will be displayed on the LCD. 2. Select an item by pressing the dial. Every time you press the dial, the displayed item is changed.
1. " 6.3 Selecting the Parameters The following 11 functions can be set in the DJ-C7's Setting mode. " is displayed on the LCD. 2. Rotate the dial to select an antenna between Earphone and External (SMA) as follows: "SmA" (1) Audio Volume Level -> "EAr" When you use an earphone, you may reduce the entire volume level with this function if the volume is too loud. (3) Repeater function 1. " " is displayed on the LCD. 2.
(4) Tone Burst Frequency (6) Battery Save function 1. "1750" is displayed on the LCD. 2. Rotate the dial to select the Tone Burst Frequency setting as follows: "1750" -> "2100" -> "1000" -> "1450" This function automatically turns the power OFF if there is no key operation for a specified period of time to prevent wasting the battery charge. This is useful when you forget to turn off the transceiver. " is displayed on the LCD. -> "30" " is displayed on the LCD.
(8) BELL (10) Scan Type It functions like a beeper. The DJ-C7 tells you with a bell sound that another station is calling. 1. " " is displayed on the LCD. 2. Rotate the dial to switch ON/OFF the bell function. When you set it to ON, the icon will appear on the LCD. You can select the scan-resume condition between Busy scan and Timer scan. 1. " " is displayed on the LCD. 2.
7. Cloning 2. Wait for a while until the master data is transferred completely. 7.1 Cloning With the Cloning function, it is possible to connect two transceivers by a cable, and copy all settings from one unit (called the Master) to the other (called the Slave). This function transfers all the settings of the Master including memory channel data. ■Connecting the Transceiver • Connect both of the speaker jacks on the sending transceiver (Master side) and the receiving transceiver (Slave side) with a ø 2.
2. Press the dial. " " is displayed on the LCD, and the Master starts to transfer data. " " is displayed on the LCD when transfer is completed successfully. 3. Turn the power OFF on the Master side to release the Clone mode. 7 Cloning If the DJ-C7 should fail to transfer data, " " is displayed on the LCD. If you see this indicator, redo from step 1.
8. Maintenance and Reference 8.1 Troubleshooting Please check the list below before concluding that the transceiver is faulty. If a problem persists, reset the transceiver. This may correct erroneous operations. Symptom Nothing appears on the display when you turn the power on. No speaker audio. No reception. Possible Cause Action Poor Li-ion battery pack connection Check if the battery pack terminals are clean. Dead battery. Recharge the battery pack. You are releasing the key too quickly.
8.2 Resetting 8.3 Options When you reset the transceiver, all settings are returned to the initial (default) factory setting. You can reset programmed channel memory when the write protect is off. 1. Press and hold the to turn the power on. key and press the 2. Release the keys when all icons are displayed. The transceiver returns to the initial VFO mode.
8.4 Transmission System DJ-C7T: 144.000-147.995 MHz 420.000-449.995 MHz DJ-C7E: 144.000-145.995 MHz 430.000-439.995 MHz DJ-C7T: 144.000-147.995 MHz DJ-C7E: 144.000-145.995 MHz MIC Audio frequency amplification limiter low pass filter BA4510FV VHF-VCO 2SC5066FT Buffer amplifier 2SC5066FT PLL MB15A01 Buffer amplifier 2SC5066FT Excitation amplifier µPC2771TB ANT Power amplifier 2SK3078A 12.6 MHz UHF-VCO 2SC5066FT 8 Maintenance and Reference DJ-C7T: 420.000-449.995 MHz DJ-C7E: 430.000-439.
9. Specifications ●General ●Transmitter 144.000 ~ 147.995MHz (T version) 144.000 ~ 145.995MHz (E version) 420.000 ~ 449.995MHz (T version) UHF 430.000 ~ 439.995MHz (E version) 88.100 ~ 107.995MHz (T version) FM Radio 87.500 ~ 107.995MHz (E version) RX 108.000 ~ 173.995MHz (T version) Frequency VHF 144.000 ~ 145.995MHz (E version) Range 380.000 ~ 511.995MHz (T version) UHF 430.000 ~ 439.995MHz (E version) F3E Modulation 50 ohm (SMA) Antenna Impedance External Terminal 3.7 ~ 6.
VHF/UHF FM HANDHELD TRANSCEIVER 144.000 - 145.995MHz / 430.000 - 439.995MHz AUS F I E B D LUX S DK GR NL UK FIN IRE P CE0336 ! This device is authorized for use in all EFTA member states (CH, ICE, LI, NOR). An operator's license is required for this device.
ALINCO, INC. Head Office: Shin-Dai Building 9th Floor 2-6-1 Dojimahama, Kita-ku, Osaka 530-0004, Japan Phone: +81-6-4797-2136 Fax: +81-6-4797-2157 E-mail: export@alinco.co.