Saab 340B, Руководство по эксплуатации

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COMMUNICATIONS, VHF COM
Description
Aircraft Operations Manual
4/3.1
KO
PAGE 2
Apr 01/15
KING MEMORY
3. CONTROLS AND INDICATORS
A
Large knob
− Controls the three left digits in 1 MHz steps.
Small knob
− Controls the two (three) right digits in 50 kHz steps and
in 25 (8.33) kHz steps when the knob is pulled out.
When selecting XXX.X25 or XXX.X75, only 2 or 7 will be
displayed.
When momentarily pressed:
− Standby frequency moves to upper display and be-
comes active. Former active frequency moves to low-
er display and becomes standby.
When depressed for more than 2 sec:
− Standby frequency display goes off. Frequency se-
lectors control active frequency display.
When pressed again momentarily:
− Standby frequency displayed again and function
back to normal.
When pressed in CHANNEL mode:
− Selected frequency becomes active and former ac-
tive frequency becomes standby.
When pressed in PROGRAM mode:
− Frequency selector controls either one of Upper/Lo-
wer display for setup of Memory.
Frequency display
Upper:
− Displays active frequency. When transmitting, a T is
displayed at the right of the active frequency display.
Lower
− Displays standby (SBY) frequency.
NOTE: With Mod. No. 2938 installed, three decimal digits
will be shown.
PUSH TEST button
− When button is pushed the squelch becomes disab-
led.
− Next push, the squelch becomes active again.
Photocell
Controls display brightness.
Frequency selector
Transfer button.
When momentarily pressed:
− Unit enters 8 frequencies CHANNEL mode.
− Select frequency with frequency selector then press
CHAN or wait for 5 sec (also see Transfer button).
When depressed and hold for more than 2 sec:
− Unit enters PROGRAM mode for 8 frequencies.
− Select CHANNEL to programmed, then momentarily
press Transfer button.
− Select frequency to be stored. (Flashing display indi-
cates which display is controlled by the frequency se-
lector.)
− For return to Normal, press CHAN or wait for 20 sec.
CHAN button
A21308
T
S
B
Y
COM CONTROL UNIT
WITH MEMORY
PUSH
TST
CHAN
A
Fig. 2 VHF COM − controls