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Controls and Indicators
Front Panel
FIGURE 5: FRONT PANEL
RADIO INTERFACE JACKS (1 and 2)
A
The 2 radio interface jacks on this unit are a 5-pin 180
°
locking-DIN type jack. Make sure the interface
cable is fully seated before use. The radio’s internal speaker and hand mic functions are disabled. Use the
ICRI handset to talk/listen if using the ICRI as a base station (a remote speaker jack is an ICRI option).
Pinout:
1- Ground
2- Audio from radio
3- Audio to radio
4- No connection
5- P-T-T Enable
VOICE ACTIVATED CIRCUIT (VOX) LED INDICATOR:
B
When lit (only one at a time) indicates the VOX, of the “inputting” radio, is active. If the VOX stays
permanently lit, you may need to turn down the volume of the radios until the light is lit only during input.
HANDSET INTERFACE JACK
C
This 5 pin, 240
°
connector supports the handset (p/n 280.0125 only; other ICRI handset models are not
compatible).
Pinout:
1- Ground
2- Audio from handset’s microphone to the ICRI/radios
3- PTT
4- Audio to the handset’s speaker from the ICRI/radios (+)
5- Audio to the handset’s speaker from the ICRI/radios (-)
HANDSET VOLUME CONTROL
D
This knob controls the volume to the handset only. Turn clockwise for more volume and counterclockwise
for less volume.
To adjust the volume of the radios, use the corresponding radio’s volume knob.
POWER STATUS INDICATOR LIGHT:
E
When lit the ICRI-2P is powered up. The low voltage light will light when the voltage is below 7.5V. If
using internal battery power, there will be approximately 6 hours of operation before the battery will need to
be replaced.
POWER SWITCH:
F
This three position switch is used to turn the ICRI “ON” and “OFF.”when the ICRI is to be powered by the
internal, rechargeable battery, or an external power supply.
