DVM898
V. 01 – 06/04/2017 15 ©Velleman nv
10.9 BACKLIGHT
Hold “ ”pressed for 2 seconds to switch the backlight on or off. The
backlight will also switch off automatically.
10.10 RELATIVE MEASUREMENT
Press “ ” to measure the relative value or to exit the function.
10.11 MAXIMUM VALUE
Press “MAX/MIN” to lock/unlock the maximum/minimum measured value on
the LCD.
10.12 AUTO/MANUAL RANGE
Repeatedly press “RANGE” until the desired range is displayed. Hold the
button pressed to return to the automatic range selection mode.
Notes
In manual range selection mode, select a higher range when “OL” is
displayed.
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" " is displayed, the battery should be replaced.
Fuses rarely need replacement and blown fuses almost always result
from human error.
To replace the battery:
Switch of the meter.
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: 1x 6F22, make sure to respect the polarity
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