User Manual

38.2. Appendix B: Maintenance, Cleaning and Repairing
General Maintenance
Please don't store or put the instrument in the place where the liquid crystal display will be directly exposed to
the sunlight for a long time.
Caution: The instrument or probe should not be stained with the spraying agent, liquid and solvent to avoid
any damage to it.
Cleaning
Check the probe and instrument regularly according to their operating state. Clean the external surface of the
instrument following the steps shown below:
1. Please wipe the dust from the instrument and probe surface with a soft cloth. Do not make any scuffing on
the transparent LCD protection screen when clean the LCD screen.
2. Clean the instrument with a wet soft cloth not dripping water, during the period of which please pay
attention to the disconnection of power. It is recommended to scrub with soft detergent or fresh water.
Please don't apply any corrosive chemical cleaning agent to prevent the instrument or probe from
damage.
Warning: Before power on again for operation, it is required to confirm that the instrument has
already been dried completely, avoiding any electrical short circuit or bodily injury resulting form the
moisture.
38.3. Appendix C: Battery Using Guide
Fig. 86 Battery power indication
-172-
Battery electric quantity indicating symbols
include: 、 、 and