RKI Instruments Gas Tracer - Manual (Page 71)

Gas Tracer Operator’s Manual Calibration Mode • 63
3. With the unit on, perform a fresh air adjust by pressing and
holding the AIR▲ button. The display prompts you to hold the
AIR▲ button.
4. Continue to hold the AIR▲ button until the display prompts you to
release it. The Gas Tracer will set the fresh air reading for all
channels as it counts down from 8. If the combustible channel is set
as %LEL only or vol% only, there is no countdown period. The
fresh air reading is set immediately.
5. Install the demand flow regulator onto the calibration cylinder.
6. Connect the sample tubing to the demand flow regulator.
Calibrating the Gas Tracer
From Measuring Mode, enter Calibration Mode by pressing and
holding the (SHIFT)▼ button, then pressing the DISPLAY(ADJ)
button and releasing both. If the unit prompts you for the password,
enter it by using the AIR▲ and (SHIFT)▼ buttons to select each
password number and then pressing and releasing POWER ENTER to
confirm it and move on to the next number. To go back a number, press
and release the RESET SILENCE button.
The factory set password is the
same as the factory set password for Maintenance Mode: 2102. You
can change the password by entering the PASSWORD menu item in
Maintenance Mode. See “Turning the Password Function On or Off”
on page 172. If you enter an incorrect password, an error screen will
display.
To return to normal operation, press and release the RESET SILENCE
button. You may then try to reenter Calibration Mode.
AIr
CAL
MAINTENANCE
HOLD AIR
Err
PASSWORD