22
cotton swab soaked in alcohol.
3)
WARNING
Please always keep the inside of the instrument clean and
dry to avoid electric shock or instrument damage.
Replace Battery and Fuse
Replace Battery
:
1)
Turn off the power supply of the instrument, and remove
the probe on the instrument.
2)
Use screwdriver to unscrew screws fixing the battery cover,
remove the battery cover.
3)
Remove old batteries, replace with new batteries of the
same specifications. Please note the polarity of the battery
according to the positive and negative polarity marks
inside of the battery cover.
4)
Install the battery cover to its original position, fix and lock
the battery cover with screws.
4)
WARNING
⚫
To prevent electric shock or personal injury caused by
error reading, please replace the battery promptly when
the battery power is low. Please do not make battery
short circuit or reverse battery polarity to discharge the
batteries.
⚫
To ensure safety operation and product maintenance,
when the instrument will not be used for an extended
period of time, please remove the batteries to avoid any