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
26
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.
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