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- a COMM. digital display unit subdivided in two windows. The left window displays the active frequency and the right "STBY" window displays the programmed frequency or standby frequency. "T" annunciation is displayed between the two windows when the VHF NAV/COMM transceiver is in transmission mode,
I ABAB
Validity : KX 155 / KX 165 KX 155A / KX 165A NPoa e
23-13-00 (BE) vg o
BOITE DE COMMANDE AUDIO
AUDIO CONTROL BOX
( 23 - 11 - 00 )
i
ANTENNE
ANTENNA
E32
"NAV / COM2"
EMETTEUR - RECEPTEUR VHF - NAV / COMM
VHF - NAV / COMM TRANSCEIVER
A52
-41-1.-)10-11,-rill
BUS 3
0
RELAIS GENERAL RADIO
RADIO MASTER RELAY
"RM - SWITCH" cr.1)
ON
INTERRUPTEUR GENERAL RADIO
RADIO MASTER SWITCH
COM 2 installation - Wiring diagram
Figure 1
ABAB
I Validity : KX 155 / KX 165
KX 155A / KX 165A 23-13-00Page 2
(BE) NOV 01
A - A52 VHF NAV/COMM. transceiver - KX 155 / KX 165
B - A52 VHF NAV/COMM. transceiver -KX 155A / KX165A
Variante de localisation Alternate location
COM 2 installation - Identification and location of components
Figure 2
COM 2 installation - Identification and location of components
Figure 3
ABAB
I Validity : KX 155 / KX 165
KX 155A / KX 165A 23-13-00Page 4
(BE) NOV 01
1 - Active frequency window
2 - "T" annunciation (transmission mode)
3 - "STBY" window, standby frequency
4 - Concentric knobs
5 - "CHAN" button
6 - "E->" frequency transfer pushbutton
7 - "OFF-PULL TEST" button
1 2 3
COM 2 installation — A52 VHF NAV/ COMM. transceiver
Figure 4 - KX 155A / KX 165A
- two concentric knobs are used to select the active frequency or standby frequency or data entry according to the selected mode. The outer knob permits to increase or decrease the frequency in increments of 1 MHz.
KX 155A / KX 165A, 25 KHz version
the inner knob, when pushed in, increases or decreases the frequency in increments of 50 KHz and, when pulled out, in increments of 25 KHz.
KX 155A / KX 165A. 8.33 KHz version
the inner knob, when pushed in, increases or decreases the frequency in increments of 25 KHz and, when pulled out, in increments of 8.33 KHz. Refer to Table 1 for correspondence between the displayed frequency and the operating frequency.
- a ".-" pushbutton for COM frequency transfer, which enables the frequency displayed in the "USE" window to flip-flop with the frequency displayed in the "STBY" window and vice versa. When pushed in more than two seconds, it also enables to control directly the active frequency via the concentric knobs (if you push but do not hold the pushbutton in, the active and standby frequency display mode is reactivated).
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