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After not working about 15minutes, the meter will be changed to sleep
mode. Press "POWER APO" key for 2 seconds to restart the power.
Press the "POWER APO" key for 2 seconds to cancel the function of auto
power off and "APO" icon will disappear from LCD; press it again for 2
seconds to restart the auto power off function and "APO" appears on
LCD.
3.10 POWER ON/OFF
Press "POWER APO" key for 2 seconds to turn on the power and the
meter is in working mode, Press "POWER APO" key again to turn it off.
3.11 BACKLIGHT INDICATION
Press "POWER BL" key to turn on the backlight; press it again to turn off.
If the meter stops working more than 15sec, the backlight will auto power
off.
4 MAINTENANCE
DO NOT tamper with the circuit it's a precision meter and should only be serviced
by factory personnel.
4.1 Do not operate or store the instrument in high temperature or high
humidity place and do not work closed to flammability substance or
explosive or strong magnetic field.
4.2 Use the damp cloth and soft solvent to clean the meter, do not use
abrasive and alcohol.
4.3 If not operated for a long time, take out the battery.
4.3.1 When LCD displays " " symbol, replace the battery as below:
4.3.1.1 Take out of the holster and drop out the battery case.
4.3.1.2 Take out the battery and replace a new one. It's better to
4.3.1.3 Fix the battery case and replace the holster.
4.3.2 Replacing fuse
Please use the same type and specification fuse as replacement.
5 TROUBLE SHOOTING
If the meter does not work properly, check the meter as follows:
NO DISPLAYING
symbol displays
use alkaline battery for long time use.
CONDITIONS
WAY TO SOLVE
●Power is off
●Replace battery
●Replace battery
8
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