Explanation Of Symbols; Functional Description; Operation - VOLTCRAFT VLP-USB Série Mode D'emploi

37 Positive of output A connection socket
38 "C-LIMIT" button for displaying and setting the current limitation of output A
39 Power indicator when the device is switched on
40 Rear heat sink
41 Fuse holder for the mains fuse
42 Earthed low-power connection for mains cable

6.2.1. Explanation of symbols

The following symbols appear on some controls.
Button pressed symbol
Button not pressed symbol

6.3. Functional description

The laboratory power supply works with reliable and solid linear technology. This ensures a stable output voltage
and the lowest interference voltages. The DC output voltages are isolated and feature protective isolation against the
mains voltage. Secondarily, the DC connection is effected via two coloured safety sockets or two USB sockets type A.
The power supply can continuously adjust the output voltage and the output current of output A, C and USB-B1.
The 2 concise displays show the voltage and current for outputs A and C (V = Volt = unit of electrical voltage, A =
Ampere = unit of electrical current).
Output USB-B1 is displayed via a button on the display of output C.
The current condition of the power supply is indicated via light displays. Various protective mechanisms, e.g. overvolt-
age protection, overload protection, current limitation, overheating protection, etc. are built in for secure and reliable

operation.

Cooling of the power supply is provided via the rear heat sink. This enables silent operation. Therefore, ensure suf-
ficient air circulation.
6.4. Operation
The laboratory power supply is not a charger. To charge batteries, use suitable chargers with a
charging current cut-off.
The surface of the housing will heat up during extended operation. Warning! Risk of burns!
Therefore, ensure that there is adequate ventilation of the power supply and never operate it partly
or fully covered to avoid any damage.
When connecting a consumer, ensure that it is connected when the device is switched off. A
switched on consumer can produce sparks when connecting to the output sockets of the power
supply, which in turn can damage the sockets or the connected cables and/or their terminals.
Control range symbol. The arrow shows the
direction of increase.
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