Optoma EH1020 Service Manual page 25

5-2-2 8051 Firmware Upgrade
Procedure Note
Note: Plug in the power cord, connect
out Port of projector with NLINK Fixture .
1. Choose the right type of MCU
- "MCU Choose" picture will appear on the
screen, select "N79A901R".
2. Program settings
- Ensure NLlNK Fixture and PC are
securely connected: the indicator lights on
green, and the state is "Connect"(as
green square).
- Select "4MHz-20Mhz Crystal" as blue
square.
3. Check 8051 FW version
- Press "Power", "Left", "Left" and "Menu"
button to get into service mode 2 to check
firmware version.
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EH1020
Confidential
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