Mod 0043 + (4928 or 5007)
ATR 42 Model : 400/500
GENERAL
COMMUNICATIONS
P 6
NOV 00
030
1.05
.
10
- STO button
Allows entering six channels in the memory. When depressed, the upper window
displays the channel number of available memory (CH1 to CH6). For 5 seconds,
the MEM swith may be used to advance through the channel numbers.
Push the STO button a second time enters the preset channel.
- STO button
Allows to change the active channel .When depressed, second line displays
dashes,
and first line can directly be tuned from channel selector.
Returns to the initial configuration when depressed a second time.
-TEST button
Is used to initiate the radio self-test diagnostic routine.
- Annunciators
Three types of messages can appear in this location.
MEM illuminates when a preset channel is being displayed on the second line.
RMT illuminates when the VHF is remotely tuned (by an FMS e.g.)
TXi illuminates when the VHF is transmitting.
- Compare annunciator
ACT signal illuminates when channels are being changed.
ACT flashes if the actual channel is not identical to the channel in the active channel
display.
-
Light sensor
Automatically controls the display brightness.
CAUTION
: Untimely squelch triggering may accur on the following channels
124.990 , 128.390 , 128.400 , 129.990 and 134.990 without disturb
emission and reception.
AA
5
6
7
8
9
10
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01/07//2018 REV 1 These notes are not revised after issue For Training Purposes Only
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