Control & Connectors; Top Panel - Vertex Standard VXA-220 Operating Manual

C
Antenna Jack
This SMA jack accepts the supplied flexible antenna,
or another antenna designed to provide 50 Ohm im-
pedance on the Aircraft Communication Band.
MIC/EAR Jack
You may connect the supplied CT-96 Headset Cable
or the (optional) MH-44
this jack.
1) Never connect any Speaker/Microphone
that is not recommended by the manufac-
turer. Because these jack connections are unique,
using a Speaker/Microphone that is not specified
by Vertex Standard may damage the VXA-220.
2) Do not allow the VXA-220 to become submerged
in water while the rubber cap over the MIC/EAR
jack is removed.
DIAL Selector Knob
This (outer) 20-position detented rotary switch tunes
the operating frequency or selects the memory chan-
nels.
This rotary switch also adjusts the audio volume level
by the setting of the Secondary function of the
[ 5 ( DIAL/ )] key. See page 18 for details.
VXA-220 P VI O
RO PERATING
& C
ONTROLS ONNECTORS
Speaker/Microphone to
B4B
M
ANUAL
( T )
P
OP ANEL
3