Output Calibration
306 UDC3500 Universal Digital Controller Product Manual 3/07
Step Operation Press Result
or
to change the range selection in the upper display back to the
proper selection. You will see:
Upper Display = Original range selection
Lower Display = CO RANGE
4
Return to Normal
Operation
Lower
Display
to return to Normal operating mode.
The factory calibration will be restored. If the problem is not
corrected, contact the Honeywell Technical Assistance Center at 1-
800-423-9883 USA and Canada
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