Tietzsch MultiSafe DSP-UB 1 Bedienungsanleitung Seite 16

 Workings may only be performed with appropriate
personal protective equipment.
Observe the minimum object distance to other
plant components that are energized or earthed
and use personal protective equipment as speci-
fied by national accident prevention regulations
(in Germany: DGUV V3 or DIN EN 50110-1).
 The function of the voltage tester must be
checked briefly before and whenever possible
after the use. Carry out the function test. If the
indication of one or several systems fails in the
course of checking, the instrument must not be
used again.
 This voltage detector may not permit to clearly
indicate the absence of operating voltage in case
of interference voltage because of its relatively
high internal impedance.
When the indication "voltage present" appears
on a part that is expected to be disconnected of
the installation, it is recommended confirming by
an other means that there is no operating voltage
on the part to be tested.
 Before using the device check the housing, the
extension and the connecting line for visible
damage. If damages are visible the voltage tester
may not be placed into operation.
In case of strong dirt contamination, the tester must
be cleaned before use.
If it is dirty or oxidized, the magnetic contact should
be cleaned with emery paper.
 The tester has to be stored in a clean and dry
environment.
3. Commissioning and functional test
Tightly screw the extension with the O-electrode
onto the display unit.
Attention!
The DSP-UB 1 does not switch on automatically at
voltage.
Switch-on: Press button
Switch-off: Press button
When no voltage is applied, the device switches off
automatically after 120 s. The display illumination
switches off after approximately 5 s when no voltage
is applied
3.1 Battery
Your instrument is already supplied with a 9 V block
battery.
The battery status is indicated by a battery symbol on
the display (see section 5). You need to change the
battery of the device before continuing with testing
when the empty battery symbol on the display flashes.
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until „oFF" is indicated.