BenQ SX930 Service Manual page 49

B. Download MCU, Scalar Firmware, LAN Firmware
(a) Auto MCU Code Download：(for Low-Power Standby)
Condition：
Auto Detect, download by MCU itself.
Situation 1：MCU code is empty (The 1st time to plug in power cord)
Situation 2：MCU version update
Procedure：
Step1: Go to Factory page1(as right figure).
Step2: Select "MCU Download".
Step3: Repower on the projector.
System Action：
System needs around 2 sec to download MCU itself
automatically.
Downloading：Power LED will show Red.
Download Fail：Power LED will show Red.
Download Success：System will go back standby mode
and Power LED will show Orange.
Notice：
Do NOT interrupt power when downloading.
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