SYSTEM/DISPLAY CONFIGURATION 
77 
View Serial Number 
 
1.  Press the MENU key. 
2.  Go to SYSTEM on level 1. 
3.  Go to S/N on level 2. 
4.  The serial number will be displayed across both 
the primary and secondary display. 
Press the EXIT key twice to go back to the 
measurement screen. 
View Version Number 
 
1.  Press the MENU key. 
2.  Go to SYSTEM on level 1. 
3.  Go to VER on level 2. 
4.  The firmware version number will be displayed 
in the secondary display. 
5.  Press Exit to exit from the version menu. 
Firmware updates can only be performed by a GW 
Instek service technician. F
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