GAI-Tronics DEX-101 Hazardous Area Driller's Intercom Station - Manual (Page 11)

Pub. 42004-679L2G
M ODEL DEX-10 X AND DEX-20 X D RILLER ’ S I NTERCOM S TATIONS Page 10 of 13
f:\standard ioms - current release\42004 instr. manuals\42004-679l2g.doc
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Operation
The Driller’s Intercom stations can be operated in hands-free, switched-duplex mode when the conditions
permit. If the conditions are not acceptable, the user can switch to simplex mode by depressing the T
button. In some situations (example: high ambient noise levels or stations in close proximity), the station
must be operated in simplex mode at all times.
Digital Models DEX-102 and DEX-202
Intercom Communication Modes
Master Communication - Communication between two stations can be automatically enabled during the
system start-up, or enabled/disabled by the master station.
1. To enable communication depress 6T and the number of the radio channel. To disable
communication depress 6T0. Refer to the “Listening to the Radio Channel” section of the Central
Switch manual for more details.
N
OTE : The associated slave station must be configured to transmit to the radio channel.
2. The LED on the front panel illuminates to indicate a call is in progress.
N OTE : For digital stations only, the beacon output can be activated for a variety of conditions. Refer
to the “Attendant Contacts” section of the Central Switch manual for details.
3. Depress and hold the T button or the footswitch and speak into the microphone to transmit audio.
4. Audio from the slave station is broadcast over this station’s speaker when the T button or footswitch
is released.
Point-to-Point Communication – Refer to the “Direct Dialing” section of the Central Switch manual for
additional details.
1. Enable point-to-point communication by dialing the extension of the desired station, or by entering
the direct dial button(s) sequence.
2. The LED on the front panel illuminates to indicate a call is in progress.
N OTE : For digital stations only, the beacon output can be activated for a variety of conditions. Refer
to the “Attendant Contacts” section of the Central Switch manual for details.
3. Speak into the microphone to transmit audio. (If necessary, talk/listen control from this station can be
controlled using the T button on the keypad or by using the station’s footswitch input.)
4. Audio is broadcast over this station’s speaker when the other station user speaks. (If necessary,
talk/listen control from the other station can be controlled using the T button on the keypad or by
using the station’s footswitch input.)
5. Terminate the call by depressing the X button.
Volume Control
The master volume level adjustments for this station can be configured in the Central. Refer to the
“Volume Configuration” section of the Central Switch manual for details.
During an active call, the speaker volume can be increased or decreased. Increase the volume by
simultaneously depressing the V and B buttons. Decrease the volume by simultaneously depressing the V
and C buttons. The volume level setting range is between 0 and 9, and the volume setting is reset when
the call is terminated.