ViewEra V221MV - Manual (Page 10)

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SOURCE
CH +
MENU
CH -
VOL +
VOL -
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1) Power Indicator
4) Menu: press this key to enter main menu
5) CH+/CH-: Press these two keys to adjust the options you need under OSD operation.
6) VOL+/VOL-: Press these two keys to adjust the analog value under OSD operation.
7) Power On/Off
POWER
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4. Front Panel Control Keys
3) Signal Source: press this key to enter the menu of signal source and choose signal source.
2) IR Sensor: It is to receive signals from remote contorl.
8) Earphone Socket: The TV speakers will be shut off when earphone is plugged into this socket.