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FirstCheck+ 1000, 2000, 3000 & 5000
Instrument Displays
Display Screens Explained
DISPLAY/FUNCTION Selection Screen
The DISPLAY/FUNCTION selection screen is shown when the FirstCheck+ is first switched on, and can
always be located by repeatedly pressing the ESC (Escape) key. The DISPLAY/FUNCTION screen allows the
user to view gas levels in a variety of ways and also allows access to the Function menu where settings can
be adjusted. Use the UP and DOWN keys to highlight the preferred option and then press the ENTER key.
Also see „Instrument Functions.‟
Graph Screen
Graph Screen
Allows the viewing of real-time measurements in graph format relative to the
set alarm levels.
When in Survey mode (see „Instrument Menu‟) the type of gas being
detected, the measured units, the peak hold and real-time
readings are also displayed.
Additional information such as alarm levels and battery status
can be viewed by pressing and holding the ENTER key.
When in Health & Safety mode (see „1
is slightly different as STEL and TWA calculations are displayed in figures and
the graph remains in real time. Again additional information can be viewed by
pressing and holding
the ENTER Key.
Instrument Symbols Explained
FirstCheck+ uses a variety of symbols that indicate the instrument‟s status.
Bump test
FirstCheck can prompt the user to bump test the instrument on a weekly basis. If selected (via 1stPC) the
above symbol appears on a weekly basis; pressing the ENTER key clears the symbol until the following
week.
Battery Status
Battery status indicator can be accessed by pressing and holding ENTER on the graph and the large number
screens.
Large Single Readout
Small Multiple
Readout Screen
st
PC Software‟) the on screen information
Charged
Ion Science Ltd
Function menu
Screen
Discharged
Page 14 of 45
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