User manual

OPERATION
25
CH3 Independent Mode Background / Connection
The CH3 rating is 2.5V/3.3V/5V, 3A fixed. It works independently from CH1 and CH2, regardless of their modes.
Output rating
2.5V/3.3V/5V, 3A fixed
No Tracking Series/Parallel
CH3 does not have tracking series/parallel mode. Also, CH3 output is not affected by CH1 and CH2 modes.
Panel operation
1. Connect the load to the front
panel CH3 +/− terminal. (the diagram shows non- European terminals)
2. Select the output voltage,
2.5V/3.3V/5V using the CH3 voltage selector key.
GPD-3303 Series User Manual
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3. To turn on the output, press
the output key. The key LED turns on.
CV → CC
When the output Current level exceeds 3A, the overload indicator turns red and CH3 operation mode switches from Constant Voltage to Constant Current.
Note: “overload” in this case does not mean an abnormal operation.