To alter the programming parameters, the operator will locate the parameter (program) that is to be changed. If the change is numerical (i.e., time and/or temperature), the operator will simply enter the numerical value desired. If an error is made, press the “STOP/CLEAR” key ONCE and the incorrect entry that was made will be cancelled. Once the entry is made and the parameter (program) set does not need to be changed, press the “START/ENTER” key, and the Phase 7 non-coin microprocessor controller (computer) will advance to the next program selected.

If the parameter (program) change is a feature change, such as changing the temperature conversion from degrees Fahrenheit (°F) to degrees Celsius (°C) or from “AUTO” (Automatic Drying Cycle – [Patent No. 4,827,627]) to “MANUAL” (Timed [Manual] Drying Cycle), the operator will press and hold the “UP ARROW” or “DOWN ARROW” key. This will toggle between choices. Once the entry is made, or if the parameter (program) does not need to be changed, press the “START/ENTER” key and the Phase 7 non-coin microprocessor controller (computer) will advance to the next program selection.

When making numerical changes, please stay within the programming limits shown. If an erroneous entry is made, the Phase 7 non-coin microprocessor controller (computer) will display “ERROR” and ignore the entry made when the “START/ENTER” key is pressed; it will return to the numerical value previously set.

The Phase 7 non-coin microprocessor controller (computer) allows the operator to scroll through the various parameters (programs) and select the parameter to be changed. At this point, the operator can go to the next Program Location (system parameter) to be changed. If no other programs (parameters) need to be changed, the user can exit the Program Mode by pressing the “STOP/CLEAR” key until the Phase 7 non-coin microprocessor controller (computer) is out of the Programming Mode. The Phase 7 non-coin microprocessor controller (computer) will be returned to the Operating Mode, and the light emitting diode (L.E.D.) display will read “READY”.

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American Dryer Corp Phase 7.2.2 user manual