REMOTE
CHARGE
SPARE
CHARGE
BASE
POWER
TALK
TALK
VOLUME
BASE UNITREMOTE UNIT
Quick Disconnect™
for headset
Listen (receiving)
fine-adjust
volume control
Remote
on-off button
and
indicator
Push-to-
talk
button
Selector for
momentary-or-
locking PTT
function
Battery
pack
Battery-charging
contacts
Talk (sending)
fine-adjust
volume
controls
PTT indicator
(green)
Remote unit
battery charging
indicator (orange)
Spare
battery pack
charging
indicator
(orange)
Base unit
power indicator
(green)
Charging well for
remote unit
Charging well for
spare battery pack
Console
interface cable
AC adapter
BOTTOM VIEW
OF BASE UNIT
Talk (sending)
coarse-adjust
volume control
Note: The factory
settings provide a
carbon-microphone
output level.
Listen (receiving)
coarse-adjust
volume control
Note: When the battery pack is
installed or changed, the on-off
indicator will begin to flash as soon
as the unit is ready for use. This may
require about 45 seconds while the
remote unit determines and selects
the most reliable radio channel.
USER GUIDE
COMPONENTS OF MODEL CA12CD/A
Push-to-talk headset amplifier
REMOTE
CHARGE
SPARE
CHARGE
BASE
POWER
TALK
TALK
VOLUME
Model CA12CD/A
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