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OPERATING INSTRUCTIONS
BECKER AR 4201 - ( O) (GK 415)
portable VHF Transceiver
Becker Flugfunkwerk GmbH
Baden Airpark, B 108
D-77836 Rheinmünster (Germany)
Tel. +49 (0) 7229 / 305-0
Fax +49 (0) 7229 / 305-217
E-Mail info@becker-avionics.de or
support@becker-avionics.de
Subject to technical changes
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© Copyright by Becker Flugfunkwerk Issue 05/00 Article No. 890.375-071
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Becker GK 415 - ( ) Operating Instructions Table of contents Important 3 Introduction 3 Safety information 4 Additional information 5 General information 6 Controls and indicators 7 p Switching on the unit 8 Function of controls and indicators 9 Operating instructions 8 p Switching on the portable VHF station 11 p Transmit/receive mode 12 p Jamming of transmit button 13 Blank p Flashing of the LCD 14 p Operation of the various modes 15 p Mode 1 (standard mode) 16 p Mode 2 (display of fixed frequ
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Becker GK 415 - ( ) Operating Instructions p Setting the IC level 24 p Calibrating the temperature sensor 24 p Setting addressable storage locations 1 to 99 24 p Setting the temperature display in °C or °F 25 p Switching on the scan function 25 p Setting the hold time in the scan function 25 p Inhibiting the frequency setting (channel selection only) 26 p Inhibiting the frequency storage 26 p Erase stored frequencies 27 p Setting the channel start scanning range 27 p Setting the channel end
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Becker GK 415 - ( ) Operating Instructions Important Carefully read these operating instructions right through before attemp- ting to operate the portable VHF station. Keep these operating instructions carefully. They contain important sa- fety and operating instructions for the portable VHF station. Introduction Thank you for purchasing the BECKER portable VHF station. The tech- nology used is to the state of the art. To fully utilise the capabilities of your portable VHF station, please care-
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Becker GK 415 - ( ) Operating Instructions The CAUTION, WARNING and NOTE highlights have the following meanings: Failure to comply, or incorrect compliance, with these instructions or procedures can lead to in- WARNING juries or fatal accidents. Failure to comply, or incorrect compliance, with these instructions or procedures can lead to CAUTION damage to equipment. NOTE Feature to which attention should be drawn. Safety information CAUTION l Never connect the portable VHF station to alternating
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Becker GK 415 - ( ) Operating Instructions Additional information l A speech test is to be performed before startup and it should be no- ted that if the speech test is carried out close to the portable VHF sta- tion the results may be positive even if the antenna cable is broken or short-circuited. At a distance of 5 to 10 km no connection will be made. l Use a loud voice for speech communication and hold the micropho- ne close to the lips. Otherwise noise can be intrusive and make un- derstandi
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Becker GK 415 - ( ) Operating Instructions Becker Flugfunkwerk GmbH General information Baden Airpark, Gebäude B 108 Carrying case and transceiver together form a portable VHF station. The 77836 Rheinmünster (Germany) easily-portable VHF station can be used, for example, for mobile and fi- xed operations on airfields or landing strips. It an also be used in hot air Tel.+49 (0) 7229 / 305-0 balloons, for ferrying aircraft or or recovery of gliders. Fax+49 (0) 7229 / 305-217 Failure description Th
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Becker GK 415 - ( ) Operating Instructions Servicing and operation of lead-acid batteries Controls and indicators CAUTION Lead-acid batteries are to be charged immediately after use. Disch- arged lead-acid batteries are to be charged for approximately 16 hours at 1/10 of the rated capacity. A few basic rules need to be observed in the handling of lead-acid batte- ries, to maintain their service life over several years. Lead-acid batteries should never be exhaustively discharged, i.e. col- lapse
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Becker GK 415 - ( ) Operating Instructions Digital voltmeter (option) Operating instructions Connect the antenna and the mike to the corresponding connection Operation voltage indication 7V - 15V DC ± 0,1V jacks. Repair instructions o Switching on the unit Switch on the portable VHF station using the ON/OFF switch (rotate vo- If an equipment fault the unit may be sent to a Becker Dealer or the Be- lume control clockwise). cker customer service together with a description of the fault. The com- p
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Becker GK 415 - ( ) Operating Instructions Technical data Function of controls and indicators Supply voltage range 10 V. . . 32 V DC Normal power supply voltage 13.75 V DC Power consumption at 13.75 V - Standby reception mode typ. 70mA - Reception mode typ. 500mA - Transmission mode typ. 2,5 A Temperature range - 20° C . . .+ 55° C Dimensions (H x W x D) 270 x 115 x 80 mm Weigth 3.5 kg Frequency range 118.000 ...136.975 MHz 1 ON/OFF switch, combi- Adjustment of volume Number of channels 760
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Becker GK 415 - ( ) Operating Instructions CH 99 (bottom line) Indicates the storage channel o Basic settings in the service mode CH indication flashes If the initiated storage operation The volume settings given in the service mode are set by the factory as (bottom line) is not completed by pressing the basic settings using standard values. If reversion to the standard values store key is required, the portable VHF station must be switched off and switched F (bottom line) Indication that the se
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Becker GK 415 - ( ) Operating Instructions 8 Frequency selector switch Switches the indicator frequency o Channel priority ON/OFF switch (option upwarts serial no.: 46) (inner rotary switch) in 25 kHz steps or the storage Call up function SF 18 using the MDE key. The following displays appe- channel by 1 step in each case ars : upwards or downwards, without carry over. Top line SF 18 Operating instructions Bottom line CS channel number o Switching on the portable VHF station Using the kHz (steps
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Becker GK 415 - ( ) Operating Instructions o Transmit/receive mode o Setting the dynamic mike input sensitivity Call up function SF 16 using the MDE key. The following displays appe- Set the frequency in the preset display and press the exchange key. Ro- ars : tate the VOL control to the centre position. Operate the transmit button and call the other station. Hold the micro- Top line SF 16 phone close to the lips for optimum speech transmission. Bottom line 00 bis 63 Standard value 32 NOTES The
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Becker GK 415 - ( ) Operating Instructions o Setting the channel end scanning range (if funtion SF8 ac- NOTE tivated) l Due to the carrier controlled squelch, the audio output is quieted with Call up function SF 14 using the MDE key. The following displays appe- a certain delay after removal of an adequate RF-signal from the re- ar : ceiver input. This delay causes noise appearing in the audio output for some time. The presonce of this unwanted short time noise can Top line SF 14 be eliminated
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Becker GK 415 - ( ) Operating Instructions o Flashing of the LCD o Erase stored frequencies If the power supply for the portable VHF station drops below 10.5 V, the Call up function SF 12 using the MDE key. The following display appe- display begins to flash. This flashing indicates, when operating on batte- ars : ries for example, that the batteries require recharging. In prac-tice the display begins to flash in the transmit mode because this is when the po- Top line SF 12 wer consumption is gr
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Becker GK 415 - ( ) Operating Instructions o Inhibiting the frequency setting (channel selection only) o Operation of the various modes Call up function SF 10 using the MDE key. The following displays appe- ar : The portable VHF station performs various functions which are covered by individual operating modes. Top line SF 10 The mode is selected by briefly pressing the MDE key. If it is pressed for a long time (more than 1 second) this selects mode 1. It is also possible Bottom line 0 or 1 to c
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Becker GK 415 - ( ) Operating Instructions o Mode 1 (standard mode) o Setting the temperature display in °C or °F Not activated in the portable VHF station. SF7 is not displayed The last displayed active and preset frequencies appear in the LCD dis- play. o Switching on the scan function Call up function SF 8 using the MDE key. The following display appears : Top line SF 8 Bottom line 0 or 1 Select the required function using the kHz switch and store the selection by pressing the STO key. The pr
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Becker GK 415 - ( ) Operating Instructions o Setting the IC level o Mode 2 (display of fixed frequencies in the various channels) o Channel selection mode Call up the SF4 function using the MDE key. The following displays ap- NOTE pear : If in mode 2 the scan function is switched on in the service mode, no sto- rage operation can be activated in this mode. Top line SF 4 Select mode 2 using the MDE key. The last indicated storage channel Bottom line 00 to 63 appears in the bottom line of the LCD
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Becker GK 415 - ( ) Operating Instructions o Scan function o Setting the sidetone level If the scan function is activated in the equipment configuration, pressing Call up the SF 2 function using the MDE key. The following displays ap- the STO key changes from the channel selection mode to the scan pear : function. In the scan function, the frequency appears in the top line of the display and the associated channel with the preset CS is shown in the Top line SF 2 bottom line. Bottom line 00 to 63
