Function Test & Alignment Procedure; Test Equipment Needed; Service Mode; Osd Reset - Optoma EP721 Family Service Manual

Chapter 4
Function Test & Alignment Procedure

4-1 Test Equipment Needed

- IBM PC with XGA/WXGA resolution
- DVD player with Multi-system, equipped "Component", "S-Video",
"Composite" and "HDMI."
- HDTV Source (480P, 720P, 1080i,1080P)
- Minolta CL-100
- Quantum Data 802B or CHROMA2327 (Color Video Signal & Pattern Generator)
- After changing parts, check the information below

4-2 Service Mode

1. Turn on the projector
2. Do the following actions sequentially to get into service mode.
(1) Press "Power", "Left", "Left" and "menu" button sequentially.
(2) Service Mode will be shown.
(3) Choose "Exit" to leave the Service Mode after all.

4-3 OSD Reset

1. After final QC step, we have to erase all saved change again and resotre the OSD
default setting. The following actions will allow you to erase all end-users' settings and
restore the default setting:
(1) Please get into OSD menu.
(2) To execute "Reset" function.
EP721/727/723/728 Family / EW1610 Family Confidential
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