9. BATTERY REPLACEMENT
1)When the left corner of LCD display show " ", it
is necessary to replace the battery. However, in-spec.
measurement may still be made for several hours after
low battery indicator appears before the instrument
become inaccurate.
2)Loose the screws of the " Battery Cover Screws " ( 3-15,
Fig. 1 ) and take away the " Battery Cover " ( 3-14, Fig. 1 )
from the instrument and remove the battery.
3)Replace with DC 1.5 V battery ( UM3, AA,
Alkaline/heavy duty ) x 8 PCs, and reinstate the cover.
4)Make sure the battery cover is secured after changing
the battery.
10. SYSTEM RESET
If the meter happen the troubles such as :
CPU system is hold ( for example, the key button can
not be operated... ).
Then make the system RESET will fix the problem.
The system RESET procedures will be either following
method :
During the power on, use a pin to press the " Reset
Button " ( 3-12, Fig. 1 ) once a while will reset the
circuit system.
11. RS232 PC SERIAL INTERFACE
The instrument has RS232 PC serial interface via a 3.5
mm terminal ( 3-11, Fig. 1 ).
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