Velleman DVM030 Bedienungsanleitung Seite 17

10.12 DISPLAY BACKLIGHT
Press the button for 1 or 2 seconds to turn on or off the display
backlight function, the backlight will automatically turn off after 10 seconds.
10.13 HOLD FUNCTION
The hold function freezes the reading in the display, press the HOLD button
momentarily to activate or to exit the hold function.
11. Battery and Fuse Replacement
WARNING: To avoid electrical shock always disconnect the test
leads prior to opening the housing. To prevent fire hazards, only
use fuses with the same ratings as specified in this manual.
Remark: refer to the warning on the battery compartment
There are no user-serviceable parts inside the device.
Refer to an authorized dealer for service and/or spare parts.
Disconnect the test leads from the test points and remove the test
leads from the measuring terminals before replacing the batteries
or fuses.
• When"
• Fuses rarely need replacement and blown fuses almost always
result from human error.
To replace the battery:
• Switch off the instrument. Disconnect the test leads.
• Remove the screw at the back of the case and gently open the
housing.
• Remove the old battery and insert a new one.
• Close the housing and fasten the screw.
Battery: 9V (6F22) x 1, make sure to respect the polarity
• Prior to fuse replacement, ensure that the multimeter is
disconnected from external voltage supply and other connected
instruments.
• Only use fuses as described in the technical data section! Using
auxiliary fuses, in particular short-circuiting fuse holders is
prohibited and can cause instrument destruction or serious bodily
injury of operator.
To replace the fuses:
V. 01 – 04/05/2023
DVM030
" is displayed, the battery should be replaced.
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