BenQ G2220HD - 21.5" LCD Monitor, Service Manual, Page: 13 / 47

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2. Select the Flash ROM type which is used in this monitor, then select the ISP button, and then choose
corresponding firmware, and load them to Flash ROM.
4.2 Alignment Procedure (for function adjustment)
4.2.1 Preparation:
1. Setup input timing VESA to 1920*1080@60Hz,32-Grays pattern.
2. Setup units and keep it warm up for at least 30 minutes.
4.2.2 Timing adjustment
1. Enter to factory mode setting area (by pressing "ENTER"+ "MENU" + "POWER" at the same time during
power off).
2. Check the settings to following values:
contrast =50;
brightness=90;
3. Then turn off the monitor power.
4.2.3 Function key Definitions
4.2.3.1 Control buttons on the rear side of monitor
CONTROL KEY KEYS FUNCTION
[MENU]
A. When OSD displays, press [MENU] to return to previous level menu
B. When OSD isn’t shown on screen, press [MENU] to enter OSD interface
C. Press [MENU] to enter Service Page When OSD isn’t shown on screen in Service
Page Mode
[Enter]
A. When OSD displays, press [Enter] to perform function of menu icon that is highlight
or enter next level menu
B. When OSD isn’t shown on screen, press[Enter] to change input source
[
◄
], [
►
]
A. When “MENU OSD” displays, press these keys to change the contents of an
adjustment item, or change an adjustment value
B. When “MENU OSD” un-displays, press [
►
] to show Brightness/contrast Menu
press [
◄
] to Show Picture Mode Menu.
[POWER] Power on or power off the monitor
[Auto] press [Auto] to perform auto-adjustment
4.2.3.2 Hot Key Operation
FUNCTION HOT KEY OPERATION DESCRIPTION
Parallel
Port