COMPONENTS OF MODEL CA12CD
USER GUIDE
Charging Well for
Spare Battery Pack
Console
Interface Cable
Model
CA12CD
Remote
On-Off Button
and
Push-to-
Talk
Button
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AC Adapter
Push-to-Talk Headset Amplifier
Indicator
Charging Well for
Remote Unit
Listen
(Receiving)
Fine-Adjust
Volume Control
Remote Unit
Battery Charging
Indicator (Orange)
SPARE
CHARGE
REMOTE
CHARGE
TALK
PTT Indicator
(Green)
Selector for
VOLUME
Talk (Sending)
Coarse-Adjust
Volume Control
Momentary-or-
Locking PTT
Function
BASE
POWER
TALK
Note: The factory
settings provide a
carbon-microphone
output level.
Quick Disconnect™ Battery Battery-Charging
for Headset Pack Contacts
SPARE
CHARGE
REMOTE
CHARGE
TALK
VOLUME
Spare
Battery Pack
Charging
Indicator
(Orange)
Talk (Sending)
Fine-Adjust
Volume
BASE
POWER
TALK
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.
Controls
Base Unit
Power Indicator
(Green)
Listen (Receiving)
Coarse-Adjust
Volume Control
BOTTOM VIEW
OF BASE UNIT
REMOTE UNIT
BASE UNIT
1.1 Operating other devices in the same frequency band as the
CA12CD will reduce user density and range. In North America,
the CA12CD operates in the UPCS frequency band (1.92 to
1.93 GHz). In other regions, the CA12CD operates in the DECT
frequency band (1.88 to 1.90 GHz). Various versions of the
CA12CD are available for use in specific countries.
1.2 User density and range can vary widely due to such variables
as building layout and whether other devices are operating in
the same frequency band as the CA12CD.
1.4 Plug the AC Adapter into the wall outlet, and plug the round
power connector into the back of the Base Unit. The Base
Power Indicator will illuminate.
1.5 Slide the Battery Pack onto the Remote Unit. When the
Battery Pack is installed or changed, the On-Off Indicator will
begin to flash slowly 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.
1.6 Attach a headset to the Remote Unit.
Plug in
AC Adapter
here
1
Setup
In low-density installations (e.g., 5 units placed 10 feet apart),
the range can be greater than 100 feet. In high-density
installations (e.g., 30 units placed 18 inches apart), the range
could decrease to 10 feet.
1.7 Place CA12CDs at least 12 inches away from CRT-type
computer monitors.
Plug in Console
Interface Cable
here
1.3 Plug the modular connector on the Console Interface Cable
into the modular jack on the back of the Base Unit. Plug the
other end into your console.
BACK VIEW OF BASE UNIT
1.3, 1.4
2.6 A fully charged Battery Pack will last for up to eight hours.
2.7 To maximize the life of the Battery Pack, turn the Remote Unit
off and place it into the charging well when not in use. Prior to
being used, Battery Packs must be charged for at least one
hour or until the Charging Indicator changes from blinking to
continuously on.
Charging Well for
Spare Battery Pack
Charging Well for
Remote Unit
Battery Charging
& Management
2
2.8 A completely depleted battery requires three hours to fully
2.1 To attach the Battery Pack to the Remote Unit, simply slide
the Battery Pack onto the Remote Unit and snap it into
place. Do not force them together.
2.2 The Base Unit is equipped with two battery-charging wells.
The larger well allows charging of the battery while it is
attached to the Remote Unit. The smaller well allows
charging of a spare Battery Pack all by itself.
2.3 Insert the Remote Unit and the spare Battery Pack into their
respective charging wells. The Charging Indicators will flash
while the Battery Packs are charging.
charge.
Note: Always release (disengage) the PTT Button before swapping
Battery Packs.
Warning: Touching the battery-charging contacts or placing
objects other than the Battery Packs and Remote Unit in the
charging wells may adversely affect the operation of the CA12CD.
SPARE
CHARGE
REMOTE
CHARGE
TALK
VOLUME
2.4 When a Battery Pack is charged, its Charging Indicator will
stop blinking and glow steadily.
2.5 The On-Off Indicator on the Remote Unit 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.
BASE
POWER
TALK
1.5, 2.1,
2.3, 2.4
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 subscrip-
tion (shown by a rapidly flashing On-Off Indicator), you can
perform the subscription process as follows:
3.4
How to select
the lockable
or nonlockable
switch position
Operation
• 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
is now ready to use.
3
3.1 To maximize user density, always turn the Remote Unit off
when not in use.
Lockable Position
Note that the selector
slot is aligned vertically.
The Push-to-Talk Button
can be depressed
momentarily or locked
in the ON position by
first depressing then
sliding the button until
it locks.
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 Depressing 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.
Nonlockable Position
Turn the selector
horizontally. The Push-
to-Talk Button can be
depressed momentarily
when you wish to speak.
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, please
use the guidelines on the separate card, Setting Model CA12CD
Audio Levels. Properly-adjusted audio levels are especially
important for avoiding sidetone echo, as well as for being able
to hear your callers and be heard clearly by them.
Talk (Sending)
Fine-Adjust
TALK
VOLUME
Volume Controls
Listen (Receiving)
Fine-Adjust
E
ER
Volume Control
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