8-11 Set the CO2 hight compensation value ( feet )
When the lower display show " hIghf "
1)Use the " Button " ( 3-5, Fig. 1 ) or " Button "
▲
▼
( 3-6, Fig. 1 ) to adjust the CO2 height compensation
value ( feet ) .
2)After set the Alarm value, press the " Enter Button "
( 3-4, Fig. 1 ) will save the CO2 height compensation
( feet ) value with default.
9. POWER SUPPLY from DC
ADAPTER
The meter also can supply the power supply from the
DC 9V Power Adapter ( optional ). Insert the plug of
Power Adapter into " DC 9V Power Adapter Input Socket "
( 3-16, Fig. 1 ). The meter will permanent power ON
when use the DC ADAPTER power supply ( The power
Button function is disable ).
10. 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 " ( 3-11, Fig. 1 )
and take away the " Battery Cover " from the instrument
and remove the battery.
3)Replace with DC 1.5 V battery ( UM3, AA,
Alkaline/heavy duty ) x 6 PCs, and reinstate the cover.
4)Make sure the battery cover is secured after changing batteries.
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