B-4
QUICK OPERATING INSTRUCTIONSUSER HANDBOOK
Switch Instrument ON:
(Note: By default, all GT series
instruments are configured for
Datalogging)
The battery capacity level is
displayed for approximately ve
seconds during the warm-up cycle, then on the top of the display during
normal operation.
Next, check / conrm lters are in place and in good condition. By default,
this check should be performed on a daily basis.
If filters are installed, and in
good condition, press ‘YES’ for
instrument warm-up to continue.
If ‘NO’ is selected, instrument will
automatically enter ‘switch off’
sequence.
Next, perform a ow fault test by blocking probe tip inlet with nger
for approximately 5 seconds. Pump should ow fault and display
‘successful’ test. By default, this
check should also be performed
on a daily basis.
If ‘YES’ is selected, instrument
warm-up will continue without
performing test.
If ‘NO’ is selected, instrument will automatically enter ‘switch off’
sequence.
Press and hold RH button , for one second, to switch instrument
ON in fresh air.
The instrument now begins its ‘30 second’ warm-up cycle, during which,
a countdown timer appears in the top right hand corner of the display.
The display backlight illuminates and remains ON until the warm-up
cycle is complete and then automatically switches OFF.
During the warm-up cycle, the instrument display identies the model,
serial number, software version and battery status information as shown.
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