Listen (receiving)
fine-adjust
volume control
Non-lockable position
Lockable position
3.4
How to select the
lockable or non-
lockable switch
position
3
Operation
3.1 To maximise user density, always turn the remote unit off
when not in use.
3.2 Press the on-off button located on top of the remote unit.
The green on-off indicator will begin to flash. If the
battery has just been installed, the remote unit will
automatically turn on and the on-off indicator will begin
to flash. This may require about 45 seconds. (Reference
section 1.5)
3.3 Pressing the push-to-talk (PTT) button on the remote unit
will generate the "key" signal to your console or radio.
While the PTT button is depressed, the green talk
indicator on the base unit will illuminate.
3.4 The operation of the PTT button can be adjusted with a
screwdriver to be either lockable or non-lockable as
shown.
3.5 To get the best audio performance from your CA12CD/A,
please use the guidelines on the separate card, setting
model CA12CD/A audio levels. Properly adjusted audio
levels are especially important for avoiding side-tone echo,
as well as for being able to hear your callers and be heard
clearly by them.
3.6 The base unit and the remote unit are paired with each
other at the factory in a process called subscription. If you
replace your remote unit or if your remote unit loses its
subscription (shown by a rapidly flashing on-off indicator),
you can perform the subscription process as follows:
• Hold both of the talk (sending) fine-adjust volume
controls on the top of the base unit down.
• The base power indicator will begin blinking.
• Hold the remote unit’s listen (receiving) fine-adjust
volume control in either the up or down position.
• The remote unit’s on-off indicator will turn on steadily
(no flashing).
• The remote unit will subscribe to the base unit, after
which the base power indicator will return to the steadily
on state. The remote unit’s on-off indicator will go out
for a few seconds and then begin to flash slowly. Your
CA12CD/A is now ready to use.
Note that the selector
slot is aligned vertically.
The push-to-talk button
can be pressed
momentarily or locked in
the ON position by first
depressing then sliding
the button until it locks.
Turn the selector
horizontally. The
push-to-talk button can
be pressed momentarily
when you wish to speak.
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