2-12
USER HANDBOOK
3-Gas 4-Gas
Fig. 2-16 Normal Operating Display
2.3 SWITCH THE DISPLAY BACKLIGHT ON / OFF
The display screen backlight can be manually switched ON
when working in poor lighting conditions.
Press the Right Hand (RH) button once to switch the
screen backlight ON. It remains ON for 20 seconds and then
automatically switches OFF.
2.4 MANUAL DATALOG
A manual datalog can be stored at any time during operation
and is achieved simply via a single press of the Left Hand
(LH) button .
2.5 VIEW MAXIMUM AND MINIMUM RECORDED
VALUES SINCE SWITCH ON
The instrument records the maximum and minimum gas values
for each sensor, since switch-on.
To view max / min values, proceed as follows:
1. Start from the normal operating display, as shown in Fig.
2-17. Press the Right Hand (RH) button once to
switch the instrument backlight ON.
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