Service manual

ES526/EX536/EX531/CB2800/ES526L/EX536L/DS316L
Condential
5-7
12. It takes about 8 minutes, the rmware
upgrade process is nished, "Download
completed" will appear on the screen.
- Unplug RS232 cable and power cord.
13. Check FW version.
- Re-plug in power cable, then restart the
unit and get into the Service mode to
check the rmware version.
(To get into Service mode, please press
"Power", "Left", "Left" and "Menu" buttons
sequentially.)