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9. GENERAL FUNCTIONS
a) Automatic power-off
• The product turns off automatically if neither key nor the rotary switch is used in a period
of 15 minutes. This feature protects and conserves the batteries and thus lengthens the
operating time.
One minute before powering off, the digital clamp multimeter gives off 5 beeps.
Immediately prior to powering off, one long beep sounds.
• When automatic power-off is active, the display shows the symbol < > (B).
• Press any key to turn the product back on after automatic power-off. You may also turn the
rotary switch to OFF before returning it to the desired measuring function.
• The automatic power-off function can be deactivated. Proceed as follows:
- Turn off the digital clamp multimeter.
- Press and hold the SELECT key (4) and turn the rotary switch (3) from OFF to any
measuring function. 5 beeps sound and the symbol < > is no longer visible on the LCD.
When automatic power-off is deactivated, 5 beeps sound once every 15 minutes.
• The automatic power-off function will reactivate by turning the product off and on again.
b) Illumination
• For improved readability of the LCD, the product features a backlight.
• Turn on the backlight by pressing and holding the HOLD/ key (10) for approx. 2 seconds.
The backlight turns off automatically after approx. 15 seconds.
• If you wish to turn off the backlight before 15 seconds transpire, press and hold the
HOLD/ key for approx. 2 seconds.
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