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GasCheck Tesla Instrument User Manual V1.2R
Replacing batteries
Before using the GasCheck Tesla instrument ensure the
batteries are fitted correctly or ensure NiMH (rechargeable)
batteries are fully charged before use.
To fit or replace batteries you must first remove the battery
cover from the rear of the instrument.
This can be done by prising open the battery clip with a finger
nail or screw driver.
Removing the battery cover will reveal a battery holder, which
requires 4 x AA size batteries. Before removing old batteries or
fitting new ones unclip the battery holder from the instrument
by prising apart the PP3 type clip shown in the illustration.
Battery holder
PP3 clip
Once the battery holder is disconnected from the instrument,
the batteries can be removed or replaced. However, care must
be taken when refitting the batteries to ensure they are the
correct polarity, polarity markings are moulded on to the
battery holder plastic.
The battery holder can be reconnected to the GasCheck Tesla
by firmly pressing the two halves of the PP3 clip together. Care
should be taken to ensure the polarity is correct, see the PP3
Battery holder
diagram (right).
The battery pack is then laid within the instrument and the
battery cover refitted, be careful not to trap wires when
refitting the battery cover.
PP3 clip
Unrivaled
Detection.
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Page 21 of 26
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