Clear-Com WTR-670 - Manual (Page 12)

Controls and Connections - Rear Panel
Figure 5
WTR-670 Rear Panel/Connector/Antennas
1. [MENU] and [SET] buttons – Used to select menus and
set options on the LCD.
2. LCD (Liquid Crystal Display)
3. [UP] and [DOWN] buttons – Used to select beltpack op-
tions on the LCD.
4. Microphone Gain – Adjusts the headset’s microphone
gain. Adjust so that the BAT/OM LED will flash at the be-
ginning of most words at normal speech levels
5. Push-to-Talk/Push-to-Transmit Switch –
Push-to-Talk (PT TALK) – The transmitter is always
on. No audio is sent unless the talk button is pressed.
Recommended position.
Push-to-Transmit (PT TX) - The transmitter and au-
dio paths are off except when the talk button is
pressed.
6. Headset Connector – Male XLR connector. A dynamic
or electret headset microphone is automatically detected
by the beltpack and a bias voltage supplied if needed.
Figure 6
Headset Connector Wiring
7. Battery Latch – Press down to enable the battery pack to
be released. While the latch is held down, slide the battery
pack about 1/8 inch back, toward the latch, until it stops.
Then lift out.
8. Receive Antenna – Screw type ¼-wave replaceable an-
tenna. The receiver antenna is always the longer antenna.
Color dot on the screw end of the antenna must match
color dot on antenna receptacle.
9. Transmit Antenna – Screw type ¼-wave replaceable an-
tenna. Color dot on the screw end of the antenna must
match color dot on antenna receptacle.
3-2
(1) Microphone
Shield (-)
(2) Microphone
Audio (+)
(4) Headphone
Low (-)
(3) Headphone
High (+)
MENU SET
MIC PT TX PT TALK
6
7
8
9
MENU SET
MIC PT
TX
PT
TALK
2
1
3
4
5