Teledyne First Responder CG, User Handbook Manual, Page: 34 / 104

3-8
OPERATION FIRST RESPONDER CG - USER HANDBOOK
display, how many days remain until calibration is required,
as shown in Figure 3-7:
(Alternate flash)
Calibration Due
in 25 days
Figure 3-7 Days until Calibration Required
If calibration is overdue, the instrument will automatically
switch OFF.
The pre-set re-calibration interval is 30 days.
This period can be altered as an option, however, you should
ensure that the instrument is always within its calibration
period prior to use.
Switching OFF
A double press of (Button 1) switches the instrument
OFF.
Changing Gas Range
Each single press of (Button 2) changes the range
selected. The display cycles through the ranges in the order
LEL / Vol GAS - O2 - CO - H2S - LEL / Vol GAS, etc.
Manual Datalog
Manual datalogging is enabled in this mode.
To perform a manual datalog, a double press of
(Button
3) is required.
Acknowledge Alarms
A double press of (Button 4) will acknowledge an alarm
for 60 seconds.
If more than one gas alarm threshold has been exceeded,