Warranty; Panel Details - Dual Type - QJE 3003X Instruction Manual

8.1 Serial Function operating method
1. Turn on the power by pressing the POWER switch.
2. Push the SERIAL button down to light up the indicator, the dual
power supply is now working under serial condition, the maximum
voltage output is from 0~60V.
3. When adjusting both the voltage setting knobs independently, the
total output voltage is the sum of 2 voltage readings from the LCD
display.
4. Push the SERIAL button down again, the indicator will be off, and
this dual power supply will work independently.
Notice: When operating at constant current condition, the constant
current value should be set at the same value.
Fig 5
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WARRANTY

Warranty service covers one year the date of original purchase.
In case of technical failure within a year, repair service will be
provided by our service center or sales outlet free of charge.
We charge for repairs after the one-year warranty period expires.
When the failure is a result of user's neglect, natural disaster or
accident, we charge for repairs regardless of the warranty period.
For more professional repair service, be sure to contact our service
center or sales outlet.
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