OPERATION 
29 
Menu Tree 
This section describes the overall structure of the operation statuses 
and modes for the GPT-9000 safety testers. The testers have two 
main testing modes (MANU, AUTO) and 5 main operation statuses 
(VIEW, EDIT, READY, TEST and STOP).   
 
status
SET
   
T
PASS/FAIL result
status
OTS
   
P
status
YAER
   
D
status
EIV
   
W
status
IDE
   
T
Press 
START
Press 
STOP
Press  
MANU/ 
AUTO
Save the MANU 
test or AUTO test
Press 
STOP
Press 
STOP
Press 
EDIT/ 
SAVE
Press 
STOP
†
Hold  
MANU/ 
AUTO
Switch between 
AUTO and 
MANU mode
PAGE View 
(AUTO mode 
only)*
Press  
PAGE
Press  
ESC
Press 
EDIT/ 
SAVE
Common Utility 
Settings*
Press 
UTILITY
MANU UTILITY 
menu (MANU 
mode only)*
Press 
UTILITY
* Press EDIT/SAVE to save settings, or ESC to cancel and return to the previous screen.
† Press the STOP key twice for a FAIL result.