Datavideo ITC300HP2K Instruction Manual page 17

Power Switch / Audio Control knob
Turn clockwise (towards +) to turn ON the power.
Turn anti-clockwise (towards OFF) to turn OFF the
power.
The Power LED will be turned ON when the belt
pack is powered ON.
Adjusts the volume of the MIC / headset connected
to the MIC / Headphone Socket. Turn anti-clockwise
(towards OFF) to lower the volume, and clockwise
(towards +) to increase the volume.
Link LED Indicator
Illuminates YELLOW when the ITC-300SL belt pack
has established connection with the ITC-300 base
unit.
MIC / Headphone Socket
The ITC-300SL has both a 3.5mm MIC socket. The
user is allowed to use a standard 3.5mm MIC /
Headset.
Call Button
Sends a paging message to the ITC-300 Base Unit.
The base unit's channel button will flash green and
there will be an audible tone each time the button
is pressed.
When the LED indicator illuminates red, it indicates
that the belt pack is sending audio to the Base Unit.
When the LED indicator illuminates green, it
indicates that the belt pack is receiving audio from
the Base Unit.
Talk Button
Opens up talkback communication with the ITC-300
Base Unit.
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