37
5.
Before fitting the new battery it is important to ensure that foam padding is attached to the sides
of the battery. This should have been completed in the factory; if not attach new foam strips as
per the battery that has been removed.
6.
Push new battery into holder.
7.
Re-attach spade terminal connectors.
8.
Re-attach side panels.
6.0 SYSTEM CALIBRATION AND SENSOR REPLACEMENT
WARNING:IF A MANUAL CALIBRATION IS PERFORMED WHEN NO CALIBRA-
TION GAS OR THE WRONG CALIBRATION GAS IS PRESENT, THEN THE INSTRU-
MENT WILL PRODUCE INCORRECT GAS READINGS. THIS MAY ALSO CORRUPT
THE ORIGINAL GAS SENSOR CONSTANTS IN MEMORY. REPEAT WITH COR-
RECT CAL PROCEDURE.
6.1
PREPARATION FOR CALIBRATION
Hazardous Gases: All recognized safety procedures should be used when operating with hazardous
gases.
Fireye Inc. accepts no responsibility for damage to the instrument, or injury to the person while fol-
lowing procedures, nor will the company accept liability for failure to comply with safety precau-
tions.
Calibration Gas Concentrations: It is important to use concentrations of certified calibration gas
which represent between 70 and 100% of the working range of the instrument.
6.2
MANUAL CALIBRATION - AMBIENT TEMPERATURE
The Firetron 1000 contains an ambient temperature sensor to enable the probe temperature to be cal-
ibrated against the ambient air temperature. This should not normally need adjusting, as the instru-
ment has been factory calibrated.
1.
From the main menu, select 'Manual Cal'.
2.
Selectemperature.
3.
Enter the ambient air temperature using the cursor keys.
4.
Both the probe and ambient air temperatures are displayed prior to calibration.
BATTERIES
DISCONNECT PLUG BEFORE
REPLACING BATTERY