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is
varied
from
[1.025 x rated voltage].
(4) When the OUTPUT switch is OFF, - 0 . 7 V (max)
negative output is obtained. Therefore, when connec-
ting a load which might be damaged by the negative
voltage, perform in the following manner:
1) Set the voltage adjuster knob to MIN.
2) Turn the OUTPUT switch ON.
3) Connect the load.
4) Set the appropriate voltage with voltage adjuster
knob.
A S A CONSTANT-CURRENT POWER SUPPLY
1) Check the rated input voltage, then connect the power
cord.
2) Turn the current adjuster knob (CURRENT) fully counter-
clockwise.
3) Turn on the power switch. The POWER (red) indicator
lights and the device is in constant-current mode. Make
sure that the OUTPUT switch is off (the indicator is out).
4) Set a desired current.
Keeping the V / I CHECK switch depressed, set a desired
constant current with the current adjuster knob (CUR-
RENT).
5) Set a voltage limit.
Set a desired voltage limit with the voltage adjuster knob
(VOLTAGE). It is the overvoltage protection level.
6) Turn on output.
Turn on the OUTPUT switch, and the output indicator
12
- [ 0 . 0 0 2 5 x rated
voltage]
to
lights and the power is output through the output ter-
minals.
Note:
If it is not preferable to apply current suddenly like to a large
inductance load, turn the current adjuster knob (CURRENT)
fully counterclockwise and increase current gradually after
turning on the output.
HOW TO CHECK VOLTAGE AND CURRENT
1) Voltage/Current presetting
When the V/I CHECK switch is depressed, the constant-
voltage is indicated on the voltmeter and constant current
is indicated on the current meter. Hereupon, it is possible to
set a desired voltage or current with the voltage adjuster
knob (VOLTAGE) or current adjuster knob (CURRENT).
2) Voltage/Current check
When the V/I CHECK switch is depressed at constant-
current operation, the preset current and the preset voltage
can be checked.
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