7
6
OPERATION
All workers who are connected to the LCU-3 communica-
tion unit and use the GroundCom headset 2002 must use
the PTT (push-to-talk) feature to enable their mic.
System Power
The LCU-3 communication unit is powered by a 9 Volt
rechargable battery (see figure 1). It can also be powered
externally through the AUX connector
LC
U-3
Hea
dse
t
LC
U-3
1
2
Po
wer
9 Volt battery
Figure 1. LCU-3 9 Volt battery
placement.
Figure 2. AUX Connector.
Controls and Connections
1&2.
Headset connectors: The headset connector
takes a 6.35mm stereo plug. When the headset
is plugged into the unit, the unit automatically
turns on. Conversely, when the headset is
unplugged, it turns off.
3.
Power ON LED: The power ON LED lights
green when power is active in the product.
Figure 3. Connectinos and Controls of the LCU-3.
9 VOLT
BATTERY
CHARGE
+
-
AUX
1
LCU-3
Power
2
HEADSET
1
Top
2
3
Bottom
4
Headset
LCU-3
1
2
Po
wer
LCU-3
6
9 VOLT
BATTERY
CHARGE
9 VOLT
BATTERY
CHARGE
+
-
AUX
5
