BASIC OPERATION 
43 
Tracking Series and Tracking Parallel Modes 
Tracking series operation doubles the Voltage 
capacity of the GPP-2323/3323/4323 by internally 
connecting CH1 (Master) and CH2 (Slave) in series 
and combining the output to a single channel. CH1 
(Master) controls the combined Voltage output level. 
Tracking series without common terminal 
1. Press F4 or F5 button for operating the 
corresponding Series to enter the tracking series 
function. Yellow SER will be shown on the 
status area. 
2. Press CH1 button to proceed to CH1/CH2 
voltage setting and CH1 limit current setting. 
3. Press CH2 button to proceed to CH2 limit