GPP Series User Manual 
52 
to set the parameters directly and 
then press the F1 (Done) button to 
confirm; or use arrow keys along 
with scroll wheel to complete the 
setting. 
Under the Sequence function, press 
F1 (Set) button followed by selecting 
F4 (End State), and 2 statuses 
Last/Output off will appear in turn 
on LCD  . The one 
displaying is what’s called the 
current status. 
Press the F5 (SEQ.On) button. When 
the output is on, the Output key will 
light up. When the output is off, the 
Output key will not be lit. SEQ will 
appear in the status area (yellow for 
CH1 only, blue for CH2 only, while 
white for both on). 
If the channel has been in Output 
ON before Sequence function, the 
status remains unchanged until 
SEQ.On so that Sequence starts to 
output. 
Each Group consists of Voltage, Current and 
Time. Therefore, properly confirm parameter of 
each group is correct before setting Sequence 
output. 
Group number. Maximum 2047                                    
Voltage setting of each group.