Pin3 –Common
Pin4 –PTT
Pin5 –Null
Pin6 –Common
Pin7 –Audio, -Output
Pin8 –Audio, +Output
III. Operation
1. Check antenna for right frequency, put antenna to antenna connector (19).
2. Plug headset to headset connector (1).
3. Turn on the power of WTI-100 and walkie talkie.
4. Turn the channel knob, make sure WTI-100 and walkie talkie are on same channel.
5. Wireless test:
a)Talk on WTI-100, listen on walkie talkie.
Press PTT button on WTI-100 front panel, the signal transmit indication LED (4)
lights. At this moment, walkie talkie can hear the voice from headset microphone.
b)Talk on walkie talkie, listen on WTI-100
Release PTT button on WTI-100. Press the PTT button on walkie talkie. The
receive indication LED (5) lights green. The audio from walkie talkie can be heard
from headset of WTI-100. Turn the volume knob (3) can adjust the volume level.
The connection between wired main station and WTI-100
6. Set ―Call on Talk‖dipper at wired main station rear panel to ―ON‖position. Turn on
the channel which is connected to the WTI-100.
7. Press ―Talk‖button on main station (If main station has no TALK-Call function, ―Talk‖
button and ―Call‖button at same time). The transmit indication LED4 lights red on
WTI-100 front panel. At this time, all the walkie talkie at same channel can hear the
audio from main station.
8. Release ―Talk‖button, wired intercom main station can hear from the walkie talkie
IV. Level Adjustment
1. Receive level
WTI-100 receives signal from walkie talkie and transfer to wired intercom main station
connector (17) or (18). Adjust receive level adjustment (10), make receive level indication
LED (9) lights constant green. At this time, 600ohm line level becomes 0dBu. If LED lights
red, it means level is over. But a short red flash is allowed.
