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c) Setting the output voltage and current limitation
• To set the output voltage and the current limitation, keep one of the buttons "16V/5A" (3), "27V/3A" (7) or
"36V/2.2A" (6) pushed (approx. 3 seconds) until the button is flashed.
Observe:
If the DC output is activated (green LED in the button "OUTPUT ON" (2) is lit) and you push one of the
three buttons, the DC output is deactivated for reasons of safety (green LED goes out).
• Change the output voltage by turning the dial encoder "VOLT." (1) to the left or right.
If the dial switch is turned slowly, the voltage value changes in small steps. When turning fast, the adjust-
ment is made in large steps.
• Change the value for current limitation by turning the dial encoder "CURR." (5) to the left or right.
If the dial switch is turned slowly, the current value changes in small steps. When turning fast, the adjust-
ment is made in large steps.
• S ave the setting by pushing the lit button "16V/5A" (3), "27V/3A" (7) or "36V/2.2A" (6) briefly. The buttton then
stops flashing and the setting mode is completed.
If a button that is not lit is pushed (for another voltage/current range, see chapter 7. b), its setting can be
changed as well without leaving the setting mode.
d) Activate/deactivate output
Before activating the DC output, always check if the operating voltage of the consumer connected to the
lab mains unit matches the output voltage of the lab mains unit. Otherwise, the consumer will be dam-
aged; there also is a danger of fire and explosion (depending on the consumer)!
As a special feature of the lab mains unit, the DC output can be activated/deactivated by pushing the button
"OUTPUT ON" (2).
A green LED in the button displays the condition of the output:
• LED is lit: The output is activated and delivers voltage/current
• LED is not lit: The output is deactivated
This way, it is not necessary to disconnect the consumer from the lab mains unit if you want to make
changes, e.g., to the consumer circuit, or similar.
e) LEDs "C.V." and "C.C."
The two LEDs show whether the output currently provides a constant voltage or a constant current.
LED "C.V.": Output delivers constant voltage ("C.V." = "Constant Voltage").
LED "C.C.": Output delivers constant current ("C.C." = "Constant Current").
If the LED "C.C." is lit, the set current limitation of the lab mains unit is active.
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