GasCheck G Instrument User Manual V2.4
Unrivalled Gas Detect
ion.
Page 13 of 26
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Functions
The GasCheck G instruments have a variation of functionality, each of the functions listed below has a number to the
right of the heading that indicates which function is included within each model:-
GasCheck G1 =
1
,
GasCheck G2 =
2
,
GasCheck G3 =
3
.
Contrast
1, 2 & 3
Use this function to adjust the contrast of the GasCheck G' LCD (Liquid Crystal Display).
Significant variations in ambient temperature conditions can cause the display to appear
too dark or feint.
When this function is selected a number will appear to the right of the Contrast symbol as a
percentage, use the Up and Down keys to adjust the display contrast to the desired level.
When satisfied with the desired level selected, press the Esc key to exit to the main menu.
Backlight
1, 2 & 3
The user can select either Backlight On or Backlight Off.
In daylight the user may not be able to determine if the
backlight is On or Off therefore a symbol on the main
running screen shows the status.
When the backlight is 'ON' it significantly reduces battery life.
Backlight OFF = 40hrs of use, Backlight ON = 20hrs of use.
Sound
1, 2 & 3
The GasCheck G has an audible sounder that increases
frequency as detected gas levels increase. This sounder can be
switched On and Off. Use the Up or Down key to move the 'tick'
to the desired position and then press the 'Esc' key to return to
the Main Menu.
An audible 'beep' can also be heard when ever the key pad is pressed, this beep can not be
switched off.
Peak hold
2 & 3
When selected, this function holds the highest detected reading on the display until the
'ENTER' key is pressed.
Select Peak On or Off using the 'Up or Down' key and then
press 'Esc' key to exit to the 'Main menu'.
When using the GasCheck G, press the ENTER key to clear the
held reading.
The reading held on screen will be logged when the 'ENTER' key is pressed.
Calibration
2 & 3
There are two Calibration settings that can be selected;
Factory and Custom. Factory calibration is carried out
shortly after manufacture and cannot be adjusted, however
Custom calibration offers the ability to calibrate the
instrument between annual Factory calibrations. The
