User Manual
    GPT-9000/9000A Series User Manual 
62 
5.  The GROUND MODE icon on the display 
changes accordingly. 
I R   G B  A CW D CW I / LH O I M ET R
E         
 F R E Q =   0 H z  6
0
050
k  V
IDE
                          MT I E = 0 0 1 . 0 SR
0 0 m AER F =# 0 .0MM A UN N A_
1 . 0 0 m A0L ES = 0T
0 0 . 1 S0A M P =R  
T
2M A N U = * * * - 0 0
GROUND 
MODE = OFF
m A
I R   G B  A CW D CW I / LH O I M ET R
E         
 F R E Q =   0 H z  6
0
050
k  V
IDE
                          MT I E = 0 0 1 . 0 SR
0 0 m AER F =# 0 .0MM A UN N A_
1 . 0 0 m A0L ES = 0T
0 0 . 1 S0A M P =R  
T
2M A N U = * * * - 0 0
GROUND 
MODE = ON
m A
 Note 
The ESC key can be pressed at any time in the 
MANU Utility menu to cancel and exit. 
IR and GB tests can only have GROUND MODE 
set to OFF. 










