ISA Alfa 130 RV TN [26/34] User interface

ISA Alfa 130 RV TN [26/34] User interface
26
ALFA
USE AND MAINTENANCE MANUAL
428000487237
EN
12.1 USER INTERFACE
KEYS - COMBINED PRESSING
+
To block and release the keyboard.
LOCK KEYBOARD
Hold both keys down for a few seconds until ashing “POF” appears.
The keyboard is blocked. Only the set-point of the maximum and minimum tem-
perature can be displayed.
POF” appears if a key is pressed for more than 3 seconds.
UNLOCK KEYBOARD
Hold both keys down for a few seconds until ashing “POn” appears.
+
To enter programming mode.
+
To exit programming mode.
Attention
The electronic control board is installed
already programmed.
Any changes to the control board settings
can be carried out exclusively by quali
ed technical personnel.

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