GDM-906X Series User Manual 
152 
View System Info 
 
View system information including Vendor, Model Name, 
Serial Number, Master Firmware and Slave Firmware. 
1.  Press the Menu key, the System 
configuration menu appears. And 
press the NEXT key repeatedly 
or scroll the Knob key to move 
to the Security&Info – 
SystemInfo field. 
2.  Press the F5 (Enter) key or 
Knob key to enter the System 
Information where all the critical 
contents are exposed for check.