Acer H6510BD Acer Projector H6510BD, P1340W, X1140, X1240 Service Guide - Page 27

Chapter 2 System Utilities Firmware Upgrade SOP Basic Operating Low-Power Standby Mode： This mode is applied for normal situation. If you want to enter this mode, you could just plug in power cord. Power LED, Lamp LED, Temp LED will show Red for 1 sec, then Power LED will show Red. When the Power LED, Lamp LED, Temp LED show Red, it means system is not ready for low-power standby. In another word, if only power LED shows Red, it means system is in low-power standby mode and the whole system is not supported by power except MCU and its related circuits. Meanwhile, the power consumption should under 0.5W. Standby Mode Download Mode： This mode is applied for Download firmware, you can use USB or RS232 cable in the download mode. One method to enter this mode is that you should press and hold keypad Power and Menu together, then plug in power cord. Release the two keypads until the Power, Lamp and Temp LED show Red continuously. System will enter baud rate 115200 mode The default baud rate is 9600. This mode can change baud rate to 115200. Download Mode Full-Power Standby Mode： You should press and hold keypad Power and Source together, then plug in power cord. Release the two keypads until the Power LED show Red continuously. The other method is to type RS-232 Command： *Stby=H# In full-power standby mode, system will be supported by full power but not turn on projector. You can use DLP composer and communicate with DLP ASIC. Thus, you should download firmware in this mode. Full-Power Standby Mode System will enter EDID Write mode Plug in D-sub cable to write D-sub EDID by EDID read/write tool. X1140A and X1240 only need to write one of the two D-sub ports. System will enter baud rate 115200 mode The default baud rate is 9600. This mode can change baud rate to 115200. 27