304 C – 02/06 D – pag. 13/16
Summary of the meaning of each button:
Button
Status of the unit
Effect after pressing the button
SEL
Normal operating condition (display
shows the temperature of sensor B1)
List of codes
Displays values
after 5” DIRECT parameters appear
displays value
displays list of codes
PRG
Normal operating condition
List of codes
Displays values
Buzzer sound
after 5” password for USER parameters
stores parameters in eeprom
stores parameters in eeprom
silences the buzzer
PRG+SEL
Normal operating condition
after 5" password for FACTORY
parameters
SEL+
t
Normal operating condition
after 5" forces a manual defrosting cycle
t
+
u
Normal operating condition
Hour counter is shown
after 5" manual alarm reset
hour counter zeroes down immediately
PRG
At start up
default parameters
PRG+
t
At start up
copies key on the unit's eeprom
PRG+
u
At start up
copies unit's eeprom on the key
