RKI Instruments SP-220 TYPE F - 9-5. Manual Span Adjustment

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9-5. Manual Span Adjustment
These instructions describe a manual calibration of the SP-220. Be sure you have performed a fresh air
adjustment and prepared for calibration as described in the previous sections before continuing.
1
If you have just
performed a fresh air
adjustment and the
instrument is still
running in Calibration
Mode, continue to step
5.
If your instrument is
not currently running in
Calibration Mode,
continue to step 2.
2
With the instrument
running in Detection
Mode, press and hold
the AIR and MODE
buttons for 3 seconds.
3
If the Calibration Mode
password parameter
has been set to on
(factory setting is off),
you will be prompted
for a password.
Use the AIR and MODE
buttons to adjust each
character and press the
POWER button to move
to the next character.
4 The AIR CAL menu item
will be displayed.