Volume up and volume down buttons, Lock button, Ic (intercom) button – GAI-Tronics L3149B C200 Advanced Deskset User Manual

Page 19: Monitor button, Transmit button, Keypad buttons

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L3149B (C200) Advanced Tone Remote Desk Set

Operation

13

VOLUME Up and VOLUME Down Buttons

Press the

VOLUME

Up or Down buttons to adjust the local speaker volume if the handset is on-hook. The

handset speaker volume is adjusted if the handset is off-hook.

The display shows the new setting for 2 seconds after a volume change. The internal, handset, and
accessory each have individual settings. When the handset is off-hook, the following message is
displayed:

HANDSET

VOL:

X

The

VOLUME

Up and

VOLUME

Down buttons adjust the sensitivity of the microphone that is currently in

use. While holding down the

TRANSMIT

button, handset PTT bar, or the accessory PTT, press the

VOLUME

Up or

VOLUME

Down buttons. This display will indicate the MIC SENSITIVITY setting in a

range of 1 to 5 with 1 being the least sensitive and 5 the most sensitive. Note that each microphone,
internal, handset, and accessory each has its own independent sensitivity setting. Refer to the Settings and
Adjustments in the Installation section of this manual for more information.

Pressing the

LOCK

+

VOLUME

Up buttons will activate the internal speaker when the handset is off-hook.

This can be used if others must hear the conversation. When the handset is returned to the cradle, this
setting is reset so that if the handset is again removed from the cradle, the internal speaker is not active.

Pressing the

LOCK

+

VOLUME

Down buttons will mute the internal speaker indefinitely. Pressing

VOLUME

Up,

VOLUME

Down,

LOCK

+

VOLUME

Up, or removing the handset from the cradle and

returning it will reset this setting.

LOCK Button

The

LOCK

button is used in conjunction with other buttons for additional button operation.

IC (Intercom) Button

To communicate between desk sets without transmitting over the radio channel, press and hold the IC
button. Microphone audio is routed to the line without activating the radio transmitter. Other desk sets on
the same line will hear the audio automatically. Note that when configured for 4-wire operation, the
internal intercom path must be enabled by the programming software for parallel units to hear intercom
audio.

MONITOR Button

When the

MONITOR

button is pressed, the desk set, adapter, and the radio are placed in the monitor mode

(PL/DPL disabled), the

MONITOR

LED illuminates, and the display indicates

MON

. Press this button

before making a call to ensure a clear radio channel is available.

TRANSMIT Button

Press this button to place the desk set in the transmit mode. See the Initiating Calls section. When the

TRANSMIT

button is pressed and a channel has been established, the

TRANSMIT

LED illuminates, and

MONITOR

LED (if lit) extinguishes. The display indicates the mode and current frequency selected.

Keypad Buttons

The numeric keypad is used for various uses including the selection of a desired frequency, page capcode
entry, and MDC1200 ID entry. See Numeric Keypad Frequency Selection in this section of the manual
for further information.

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