Hoshizaki ROX-20TA-U - Manual (Page 24)

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5) Keep on pushing the Set Button, and press the Display Button one time.
6) Check that the Display Window reads “AdJ.”, which means the unit is in the adjust mode.
Lighting
Flashing
Lighting
Flashing
7) Keep on pushing the Set Button, and press the Display Button one more time.
8) Check that the Display Window reads “CHE.”, which means the device is in the check
mode.
9) Release the Set Button.
10) Check that the Display Window reads “C 1”, which means the device is in the check
mode No. 1.
Lighting
Lighting
11) Push the Display Button. The Display Window will change from “C 1” to “C 2”. Another
push will change “C 2” to “C 3”.