Zeroing The Instrument - Teledyne First Responder CG User Handbook Manual

Single Press
Button 1
Toggle Pump
CGI
Button 2
CSM
Button 3
PURGE
Button 4
TRAC
Fig. B-4 FCM Button Functions

Zeroing the Instrument

Note: There is no requirement to calibrate EXT range.
1. Enter FCM. See the previous section ENTERING
FCM.
2. Double press
range.
3. Press
4. Repeat steps 2 and 3 until all gas ranges have been
zeroed.
5. Proceed to FIELD CALIBRATION PROCEDURE to
calibrate the instrument.
B-4
FIRST RESPONDER CG - USER HANDBOOK
Double Press
Exit CAL Mode
On / Off
Next Range
Increase
Set Point
Decrease
Set Point
(Button 2) to zero current gas
(Button 2) to select the next gas range.
Enter SPAN Mode
Zero Current
Range
–
–
Press and
Hold
Save CAL Data
Exit SPAN
Without CAL
Exit SPAN
With CAL