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Operation - Pyramid PSU990KX User Manual

Bench dc power supply

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• Insert the device's positive wire (usually red) into the red binding post's wire
hole, then tighten the binding post's sleeve to secure the wire in place.
• If you are using the banana plugs connection, insert the plugs into the
terminal's jack.
Note: The binding posts' wire holes can accommodate up to 16-gauge wire.
6. AC Power Supply Cable AC115V-230V, 50/60Hz
7. Cooling Fan

OPERATION

To use the power supply after you connect the device to it, set POWER to turn it on
with the red led light illuminated.
If the power supply's POWER switch does not light, check all connections and
confirm the wall AC outlet has power.
If the outlet has power, set POWER to OFF, reduce the load (by using a device that
does not require more than 4 Amps), then set POWER to ON. Your power supply's
overload protection circuit automatically shuts down the power supply when
overload and resets by turning POWER to OFF.
CAUTION:
Place your power suppply in a well ventilated open and cool area.
Do not block the openings at the fan suction on the sides and the discharge
openings on the bottom.
CAUTON:
To reduce the risk of energy hazard, be careful not to short the output
terminal during operation. Remove the output connections after use.
CAUTION:
Your power supply might cause TV or radio interference even when it
is operating properly. To determine whether your power supply is causing the
interference, turn o your power supply. If the interference goes away, your
power supply is causing it.
Try to eliminate the interference by:
• Moving your power supply away from the receiver.
• Connecting your power supply to an outlet that is on a different electrical circuit
from the receiver.
• Contacting a qualified service technician for help.
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