Check the instrument and probe frequently according to the operation. Clean
the external surface of the instrument as follows:
1. Please wipe the floating dust outside the instrument and probe with a soft
cloth. When cleaning the LCD, be careful not to scratch the transparent LCD
protection screen.
2. Wipe the instrument with a damp but non dripping soft cloth. Please
disconnect the power supply. It can be scrubbed with soft detergent or water.
Do not use any abrasive chemical cleaning agent to avoid damaging the
instrument or probe.
Warning: Please make sure the instrument is dry before re-energizing
to avoid electrical short circuit or personal injury caused by moisture.
Charging and Replacement of Battery
During the long-term storage of the device, the battery may be too low due to
the self-discharge of the lithium battery and the device cannot be turned on.
This is a normal phenomenon.
Please use the attached adapter to pre-charge the device for 0.5 to 1 hour (d
epending on the storage time) before turning it on. In addition, if the device is
not used for a long time, it is recommended to charge it at regular intervals t
o avoid over-discharge of the lithium battery.
Battery Charging
The lithium battery may not be fully charged when delivered. To make the
battery be charged, refer to the following table to charge and discharge:
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