Switching The Display Backlight On / Off; Viewing The Maximum And Minimum Recorded Values Since Switch On - GMI V!SA Manual De Instrucciones

V!SA - USER HANDBOOK
Each gas the instrument can measure is shown in the
display. In the previous example, the instrument is a four
gas model that can measure LEL, Oxygen (O
Sulphide (H S) and Carbon Monoxide (CO).
2
Note: The instrument display varies for each model as
one, two, three or four gas. Versions measuring a range
of different gases are available.

2.3 SWITCHING THE DISPLAY BACKLIGHT ON / OFF

The display screen light can be manually switched on
when surveying in poor lighting conditions.
Press the green (RH) button
light on. It remains on for 20 seconds and then
automatically switches off.
2.4 VIEWING THE 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. 2.12. Press the green (RH) button
switch the instrument screen light on.
2-10
), Hydrogen
2
once to switch the screen
once to