R Mod : 0032 or 2267 or 4331
ATR 42 Model : 400/500
GENERAL
COMMUNICATIONS
P 12
NOV 01
090
1.05
.
10
- Right outer knob : Selects the individual channel number (last two digits) in case of
ITU channel selection.
Selects the two digits storage channel in case of programming
use.
When selecting beyond 1 or 40 channel number, ITU channels will
appear.
- Right inner knob : Has no effect.
(4)
Frequency display
Displays the frequency (directly selected or channel-stored).
(5)
Mode display
Display the associated mode (for normal frequencies or ITU channels).
(6)
CHANNEL display - Right digits
Displays the individual channel number, or the storage channel number.
(7)
CHANNEL display - Left digits
Displays the ITU band in case of ITUchannel selection.
(8)
PGM (Program) switch
Allows to store frequencies in the 40 available channels by the following mode :
- Selector on CHAN" position.
- Select the desired user channel by using selecting knobs (3).
- Press PGM button. The whole display blinks.
- Select the desired frequency and mode by using selecting knobs (3).
- Press PGM button again to store the frequency.
At this point, three ways are possible.
- Store a received only frequency : only wait 20 s that the display blinking stops.
- Store a simplex channel : press PGM button a third time to store the blinking
frequency as a transmit frequency. Received and transmit frequencies are now the
same.
- Store a half duplex channel : during the display blinking time (20 s) a second
frequency can be selected as a transmit frequency. The considered channel stores
the first frequency as a receive one, and the second frequency as a transmit one.
(9)
Indicator
- R" indicates that the system is in received mode.
- T" indicates that the system is in transmit mode.
(10)
Photo cell
- Automatically adjusts display brightness.
Note :Depending on version one or two identical HF control boxes may be installed.
Only one antenna is associated with these two control boxes permitting two
receptions but only one emission at the same time.
AA
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