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88 • Appendix B: Gas Select Mode
SC-04
2. Press and release POWER MODE. The display cycles through the following screens.
3. Press and release POWER MODE to save the current alarm point settings as the default.
4. The instrument returns to the
SAVE-AP
item in Gas Select Mode.
5. See “Exiting Gas Select Mode (START)” on page 89 to enter Measuring Mode.
Turning Calibration Max Span On/Off (MAX.SPAN)
ON
: After a passed calibration, the SC-04 displays the response reading’s maximum
adjustment. A maximum span of 100 ppm indicates that the reading could have been adjusted
up to 100 ppm. If the maximum span value is close to the calibration value, the sensor should
be replaced soon. The upper limit on the maximum adjustment indicated is either twice the
calibration value or full scale, whichever is lower.
OFF
(factory setting): There is no maximum span indication at the end of a calibration.
1. While in Gas Select Mode, press AIR to scroll to
MAX.SPAN
.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE to save the setting and return to the
MAX.SPAN
item
in Gas Select Mode.
5. See “Exiting Gas Select Mode (START)” on page 89 to enter Measuring Mode.
SEL
SAVE - AP
SEL
YES .MODE
SEL
NO .AIR
MAX .SPAN