B-5
QUICK OPERATING INSTRUCTIONS
English
On completion of the warm-up cycle,
the instrument will automatically
select, as default, the LEL range and
display the current gas detection
reading, as shown opposite.
Range Selection (CGI only)
To change range LEL-VOL GAS-LEL, single press the ‘RANGE’ Top Btn .
Switch Pump OFF / ON (CGI only)
Press and hold ‘PUMP’ Bottom Button to switch the pump OFF / ON.
Zero All Ranges (CGI only) in Fresh Air
Press and hold Bottom Button for approximately ve (5) seconds.
Then, press and hold ‘YES’ (Top Button) for one second to zero all ranges
and return to live readings.
Manual Datalogging
To store a snapshot reading, press and hold ‘STORE’ (Top Button) .
Max / Min Values
To display max. value since switch-on, press ‘MAX’ (Bottom Button) .
To display min. value since switch-on, press ‘MIN’ (Bottom Button) .
Note: ‘MIN’ Only applicable to instruments with Oxygen (O
2
) sensor tted.
To erase Max / Min values, press and hold ‘CLEAR’ (Top Button) .
To return to live readings, press and hold ‘LIVE’ (Bottom Button) .
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