8.0 Energy Management
Approximately 5 minutes after the last key operation,
the instrument switches off automatically (auto-
power-off). To switch the instrument on again, turn
the rotary switch from the „OFF" position to the de-
sired function or press the key “Start” (26) again .
If the battery symbol (8) appears in the display the
battery is low. The instrument might still function,
however, without fulfilling the specifications. If the
batteries are used further and discharged, the in-
strument will automatically switch off once the bat-
tery voltage falls below the minimum level. The bat-
tery symbol (8) will blink for several seconds. You
cannot switch on the instrument with discharged
batteries.
9.0 Maintenance
When using the instrument in compliance with the
instruction manual, no special maintenance is re-
quired.
Should operational problems occur during daily use,
our Hotline Support (phone 0049(0)7684/8009-29)
will be at your disposal, free of charge. For any
queries regarding the instrument, please always
quote product designation and serial number, both
marked on the typed shield label on the rear of the in-
strument.
If functional errors occur after expiration of warran-
ty, our after sales service will repair your instrument
without delay.
9.1 Cleaning
If the instrument is dirty after daily usage, it is advised
to clean it by using a damp cloth and a mild house-
hold detergent.
Prior to cleaning, ensure that the instrument is
switched off and disconnected from external
voltage supply and any other instruments con-
nected (such as EUT, control instruments, etc.).
Never use acid detergents or dissolvants for
cleaning.
Do not use the instrument after cleaning until
is has completely dried off.
10.0 Battery Replacement
If the battery symbol (8) appears in the display, pro-
ceed with battery replacement.
Prior to storage battery replacement, discon-
nect the instrument from any connected test
leads.
When replacing or changing the battery, make
certain of correct polarity.
Reverse polarity of batteries may destroy the
instrument. Furthermore, they may explode or
ignite.
Only use batteries in compliance with the speci-
fications in the technical data section 1,5V
Mignon Typ IEC LR6 (size AA).
Never try to disassemble battery cells !The bat-
tery contains highly alkaline electrolyte. If elec-
trolyte gets in contact with skin or clothing,
rinse immediately with water. If electrolyte gets
in contact with the eyes, immediately flush by
using pure water and consult a doctor.
Never try to make contact between both bat-
tery cell poles, for example by using a wire con-
nection. The resulting short-circuit current is
very high and causes extreme heat. Danger of
fire and explosion !
36
Energy Management /Maintenance/Battery Replacement
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