Re-Write Lamp Usage Hour - Optoma EX542 Service Manual

2-24 Re-write Lamp Usage
Hour
1. Get into Service Mode
- Press "Power", "Left", "Left" and "Menu"
buttons sequentially to get into Service
Mode.
2. Re-write Lamp Hours (Normal)
- Use "up" or "down" buttons to select
"Lamp Hours (Normal)", then use "left"
or "right" buttons to re-write the Lamp
Hours.
3. Re-write Lamp Hours (ECO)
- The way of re-write "Lamp Hours (ECO)"
is the same as "Lamp Hours (Normal)".
4. Exit Service Mode
- Use "up" or "down" buttons to select
"Exit", then press "Enter" to exit the
Service Mode.
Note: left key = decrease lamp hour
right key =increase lamp hour
EX540/EX542/EX612/EX615/EX762/EX540I/EX542I/ES523ST/EW533ST Confidential 2-1