Technical information

Chapter 1 5

LCD TV Overview

AT4220A/AT4220B/AT4220 Front Panel View

# Item Description

1 Power On/Off Powers on or off the LCD TV.

2 Menu key Turns the OSD menu on and off.

3 Channel up/down Channel up: When the OSD is on, functions the same as the Up

arrow.

Channel down: When the OSD is on, functions the same as the

Down arrow.

4 Volume +/- Volume up: When the OSD is on, functions the same as the Right

arrow.

Volume down: When the OSD is on, functions the same as the Left

arrow.

5 Input key When is OSD is on, press this button to confirm selection.