FSG 5W VHF/AM WATERPROOF HANDHELD TRANSCEIVER Operation Manual Before operating the Transceiver, please read this manual thoroughly! Keep for future use! Document No. Article No. 029.HB.04E D10177 Revision No. Date of Revision Dittel Messtechnik GmbH 7 November 2009 Avionics Division Erpftinger Straße 36 86899 Landsberg Germany Telephone +49 (0)8191/ 3351-0 Fax +49 (0)8191/ 3351-49 E-Mail: info@dittel.com Internet: www.dittel.
FSG 5W OPERATION MANUAL SAFETY INFORMATION Every radio, when transmitting, radiates energy into the atmosphere that may, under certain conditions, cause the generation of sparks. All users of our radios should be aware of the following warning: Do not operate radio near flammable liquids or nearby explosive devices. During normal use, the radio will subject you to radio energy substantially below the level where any kind of harm is reported.
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FSG 5W OPERATION MANUAL Table of Contents Section 1, General Description ........................................................................................5 1.1 Introduction..............................................................................................................5 1.2 Equipment Description ............................................................................................5 1.3 Modes of Operation .............................................................................
FSG 5W OPERATION MANUAL Section 1 General Description 1.1 Introduction This Operation Manual, 029.HB.04E, contains instructions and descriptions for application and operation of the Dittel’s FSG 5W hand-held VHF AM transceiver with 1,040 operating channels. The Maintenance/Overhaul Manual 029.HB.HB.12 contains a detailed circuit description, repair instructions, alignment procedure, testing instructions, and a detailed Illustrated Parts List. 1.
FSG 5W OPERATION MANUAL ‘135.92’) in a liquid crystal display (LCD) on the front cover. The LCD is lighted by LEDs when pressing the ‘LAMP/BATT. TEST’ button on top of the case. The FSG 5W also offers a transmit sidetone output as standard. Receive/sidetone audio volume is adjustable in five steps. Accessory like voice operated PTT keys can be supplied via the accessory socket with switchable 12 VDC from the radio’s battery. 1.
FSG 5W OPERATION MANUAL 1.4 Scope of Delivery VHF/AM hand-held Transceiver FSG 5W, 1,040 channels, frequency range 118.000 MHz to 143.975 MHz, ready for use; including attached battery pack, helical antenna, and Operation Manual. 1.
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FSG 5W OPERATION MANUAL Section 2 Charging and Battery Test 2.1 Battery Information The Snap-On type battery pack of the radio FSG 5W contains a top quality rechargeable nickel-metal hydride (Ni-MH) battery 12 VDC / 1.5 Ah. It provides sufficient electrical DC power to supply the radio and other connected special accessory.
FSG 5W OPERATION MANUAL 2.3 Battery Test The battery status should be checked repeatedly/frequently after battery replacement and/or before important missions begin. Disconnect charger or remove radio from drop-in charger before testing, if applicable. Press LAMP/BATT. TEST button (4) for a few seconds. The LED indicators (11) will light up sequentially. 5 LEDs ON: Battery fully charged. 3 to 4 LEDs ON: Battery partially discharged, reduced operating time.
FSG 5W OPERATION MANUAL 2.4 Recharging the Battery using DL-5A/5W (2) (1) (3) The drop-in charger DL-5A/5W is designed for connecting to 115 VAC or 230 VAC, 50 to 60 Hz mains. First of all, check that the unit's operating voltage is identical with your local mains supply. If required, set the voltage selector switch (3) by means of a suitable tool to the respective voltage, changing of fuses is not required. DL-5A/5W is factory set to 230 VAC! Plug the mains cable into a suitable wall outlet.
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FSG 5W OPERATION MANUAL Section 3 Operating Instructions 3.1 Introduction A view of the transceiver FSG 5W is given on the last page of this Manual. Please fold out the back flap when reading the operating instructions. Each number of a control, switch, etc. corresponds to the number of the control, switch, etc. given below. 3.2 Preparation for Use To prepare the transceiver for use: • Verify the antenna connection of the helical antenna, or the plug of an external antenna, is tightened.
FSG 5W OPERATION MANUAL • On a free channel NO basic receiver noise should be audible in the speaker (Squelch = ON). • To check the receiver's squelch circuit, set squelch switch (2) to 'SQ OFF' position. On a free channel, basic receiver noise with constant volume should be audible (only at an interference free location). • For receiving normal communication, the squelch switch (2) should be in the "SQ" position.
FSG 5W OPERATION MANUAL 3.5 Switching OFF To switch off the transceiver: Turn the "VOL" rotary switch (3) to the OFF position. IMPORTANT! In order to prevent corrosion, the radio should be rinsed with tap-water after use in sea-water. Wipe dry using a clean, lint-free cloth. 3.6 Accessory Socket The sealed 10pole twist lock accessory socket (1) allows connection of accessories for various applications and operating conditions. • When an external dynamic microphone with a d.c.
FSG 5W OPERATION MANUAL 3.7 Tips to obtain Maximum Radio Range For best results when operating in the open field an all-round obstacle free location and a vertically hold antenna are the most important requirements.
FSG 5W OPERATION MANUAL Section 4 Technical Data 4.1 General Dimensions : 232 mm × 87.5 mm × 54 mm (without antenna) Weight : 1,100 g including battery and helical antenna Frequency range : 118.000 … 143.975 MHz / 1,040 channels, directly switchable Channel spacing : 25 kHz Modulation : AM 6A3 Modulation frequency 350 Hz ... 2,500 Hz Supply voltage : 11.0 … 14.4 VDC internal 11.7 … 15.
FSG 5W OPERATION MANUAL 4.2 Receiver Sensitivity : 1 µV / 50 Ω or less for 6 dB S+N/N, 1 kHz/m = 30% Squelch : AM/Pulse combined, automatic, defeatable, threshold internally adjustable Selectivity : 6 dB or less at ± 8 kHz 40 dB or more at ± 17 kHz 60 dB or more at ± 25 kHz Radiated Interference : at least 64 dBm down (50 Ohm) Modulation AF Response 4.3 AF output : 0.
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FSG 5W OPERATION MANUAL FSG 5W Operator's switches, controls and indicators November 2009 D10177 21
