Voltmaster DCM 1, Operating Manual, Page: 26 / 100

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Explanation of the buttons
1) Measuring transformer tong jaws
2) LED lamp
3) Housing
4) Jaw opening handle
5) REL button
6) Hz/duty switching
7) SEL button
8) Display
9) COM socket
10) INPUT socket
11) Auto/Manual switching
12) DATA-HOLD and background lighting/LED
13) Min/Max switching
14) OFF switching position
15) Rotary selector switch
SEL button
Is used to switch between different functions,
e.g. Resistance / Continuity / Diode measurement.
A short beep confirms that the button has been pressed.
REL button
The REL measurement is only available for power, voltage, capacity and temperature measure-
ments. Pressing the REL button sets the display to zero and the REL symbol will appear in the
display.
MIN / MAX button
Press the MIN/MAX button to display the maximum or minimum measured value.
RAN button
Press the RAN button to switch between Auto and manual range switching.
Press the RAN button for a longer period to return to Auto mode.