1
KX 155A/165A
KX 155A and KX 165A
VHF Communication/Navigation Transceivers
FIGURE 1A
KX 155A and KX 165A (25 kHz Versions) CONTROL FUNCTION
Active Comm
Frequency
Standby Comm
Frequency
Active Nav
Frequency
Standby Nav
Frequency
“T” Indicates Mic Button is Being Depressed
“R” Indicates Squelch is Open by Received Signal
Photocell Provides
Automatic Display
Dimming
Nav Frequency
Select Knob
Nav Mode
Button
Nav Frequency
Transfer Button
Nav Audio
Volume Control.
Pull to Hear
Morse Code
Nav Ident.
Comm Frequency
Select Knobs
Comm Frequency
Transfer Button
Channel
Button
On/Off Comm
Volume Knob.
Pull to disable
Comm Receiver
Automatic Squelch.
Push in for
Automatic Squelch.
Active Comm
Frequency
Standby Comm
Frequency
Active Nav
Frequency
Standby Nav
Frequency
“T” Indicates Mic Button is Being Depressed
“R” Indicates Squelch is Open by Received Signal
Photocell Provides
Automatic Display
Dimming
Nav Frequency
Select Knob
Nav Mode
Button
Nav Frequency
Transfer Button
Nav Audio
Volume Control.
Pull to Hear
Morse Code
Nav Ident.
Comm Frequency
Select Knobs
Comm Frequency
Transfer Button
Channel
Button
On/Off Comm
Volume Knob.
Pull to disable
Comm Receiver
Automatic Squelch.
Push in for
Automatic Squelch.
8.33K
6
FIGURE 1B
KX 165A (8.33 kHz Versions) CONTROL FUNCTION
NOTE: The 25 kHz and 8.33 kHz versions of the KX 165A are distinguishable
from one another in two ways. The 25 kHz version has “PULL 25K” nomencla-
ture below the Comm Frequency Select Knobs while the 8.33 version has
“PULL 8.33K”. In addition, the 25 kHz version has two digits to the right of the
decimal in the Comm frequency while the 8.33 kHz version has three digits to
the right of the decimal. The 8.33 kHz channel spacing is required for flight in
certain European (ICAO EUR Region) airspace.
KX 155A and KX 165A Operation (25 kHz Versions)
All controls required to operate the KX 155A and KX 165A are located on the unit front
panel.
Silver Crown Plus R4 11/18/02 1:00 PM Page 15
