AR 3201 - ( )
Controls and indicators | Description | Function |
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Store button | Pushbutton | Briefly pressing the STORE |
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| button causes the display |
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| frequency to be stored in one of |
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| the four memory locations, |
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| provided that the channel |
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| selector switch is not in position |
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| A, but set to one of the four |
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| memory positions (1 - 4). In |
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| models with serial no. of 4000 or |
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| above the STORE button must |
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| be held depressed for approx. 2 |
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| seconds in order for the |
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| displayed channel frequency to |
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| be written into the selected |
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| memory location. |
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3.2Operating instructions for serial no. 0 to serial no. 3999
NOTE
Switch off transceiver when engines are started or stopped.
1.Switch on VHF transceiver with ON/OFF switch. For a few seconds the LC display reads 188.88 (display test). The transceiver then automatically switches to 121.500 MHz (emergency frequency) when the channel selector is in position A. When it is positioned to one of the stored channel frequencies (switch position
2.Set to frequency of local ground station and position VOL control to center position.
3.Operate PTT key and call ground station. For optimum intelligibility keep microphone almost touching lips.
4.On response from the ground station adjust for desired volume using VOL control.
5.Position ON/OFF switch to SQL to suppress weak input signals and input noise.
6.The sidetone volume can be adapted to the noise level of the aircraft by means of the sidetone volume control.
3.3Operating instructions serial no. 4000 upwards
NOTE
Switch off transceiver when engines are started or stopped.
1.Use the ON/OFF switch to turn on the VHF transceiver. For a few seconds, the digits 188.88 will appear in the LCD (display test), as well as an arrow to indicate transmission mode. Afterwards the VHF transmitter automatically switches to the most recently set frequency, if the channel
DV 28110.03/04 Issue 02/92 | Page |