Monitor Switch - Vertex Standard VXA-150 Service Manual

Left Side
Battery Pack Latch
Open this latch for battery removal.
PTT ( P ) Switch
T T
USH O ALK
Press this button to transmit when you are operating
in the COM band. Release this button to return to the
"R " mode.
ECEIVE

MONITOR Switch

This button may be pressed to "open" the squelch
manually, allowing you to listen for very weak sig-
nals. Press and hold this button for 2 seconds to "open"
the squelch continuously. Press this button again to
resume normal (quiet) monitoring.
LAMP Switch
Pressing the LAMP switch momentarily will illuminate the
display and keypad for five seconds, after which the back-
lighting will automatically turn off. Press and hold this
switch for 2 seconds to activate the back-lighting lamp con-
tinuously. To turn the lamp off, press this switch again. The
LAMP switch may be configured in several ways via
the Menu.
Operating Manual Reprint
C & C
ONTROLS ONNECTORS
Right Side
MIC/EAR Jack
You may connect the supplied CT-60 Headset Cable
or the (optional) MH-44
A4B
this jack.
Never connect any Speaker/Microphone that is
not recommended by the manufacturer. Because
these jack connections are unique, using a Speaker/
Microphone that is not specified by Vertex Standard
may damage the VXA-150.
EXT DC Jack
When an external 12-Volt DC power source is avail-
able, you may connect the (optional) E-DC-5B Exter-
nal DC Cable here. Do not connect any wire to this
jack if that wire is connected directly to a 28-Volt DC
source. Connecting the VXA-150 directly to a source
which exceeds 15.0 Volts DC will result in damage to
the unit.
(Partial)
Speaker/Microphone to
3