3
3. Specification
3.1 Control and power supply unit (CU)
3.1.1 Front Panel
1) Power On/Off switch
2) LCD display: setting and displaying mode status,
simultaneously maximum user number, and date.
3) Set button: pressing “set” button to enter setting
mode on the LCD panel.
4) Up & Down buttons: pressing “Up” or “Down” to
switch the setting.
5) Speaker Volume control: controlling all connected
chairman and delegate units.
6) Monitor Volume control: controlling both speaker
and headphone of the CU.
7) Headphone input: allowing another alternative of
listening discussion. While inserting the head-
phone, the loudspeaker will be deactivated.
8) Loudspeaker.
9) REC(only for CS-1CUR model): When the record-
ing pilot light is under the status of continuous
green light on, press REC recording button to enter
recording mode. The recording pilot light will then
turn into continuous red light on to show it is under
the status of recording. If you would like to stop re-
cording, long press that button. When the pilot light
appears cross-ashing between red light and green
light and return back to continuous green light on,
the recording is completed.