Kenwood PDS-20 Instruction Manual page 5

Model PD 8-20/20D 8-30/30D 18-20/20D | 18-30/30D | 35-20/20D
Meter and indications
Voltmeter (class 2.5) F.S BV 8V 18 V
Ammeter (class 2.5) F.S | 20a | 30a | oA | BOA | OA
Current at digital display (Fix. range)
Indication of constant voltage operation
Indication of constant current operation
Indication of output
| Function
Turns on and off output
(preset voltage indicated with meter during off time)
D
Output switch