Operating Method - Pce Instruments Peaktech Pkt 2235 Bedienungsanleitung

5. Caution
5.1. This unit has excellent protection function, 5 V output has reliable
protection for current-limit and short. The adjustable output has
current-limit protection. As there is controlling circuit for regulating
transistor's power loss in the circuit, when short-circuit occurs, the
power loss on large power transistors is not very high, it can't
cause any damage to the unit. But there is still power loss when
short-circuit, in order to reduce aging and energy consumption, so
this situation should be find as soon as possible and turn off power,
then exclude the faults.
5.2. When operating is finished, put it in a dry place of good ventilation,
and keep it clean. If it is not in use for a long period, pull off the
power supply plug for storage.
5.3. For maintenance, input voltage must be cut off.

6. Operating method

Using the adjustable DC output
6.1. When the adjustable output is used as CV output, first should rotate
clockwise the CC adjustment (1) to maximum, then turn on power
switch (9), adjust CV adjustment (2) till output voltage reaches
required voltage value, at this time, the CC state indicator (17) goes
out and the CV state indicator (18) lights on.
6.2. Used as CC output, after turning on power switch (9), first rotate
clockwise the CV adjustment (2) and to maximum, while rotating
counter clockwise the CC adjustment (1) to minimum, connect the
required load, again adjust clockwise adjustment (1) till output current
reaches the required current value. At this time, the CV state indicator
(18) goes out and the CC state indicator (17) lights on.
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