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1.The function of key
1.1 The refrigerator temperature set of key A1:Set refrigerator temperature;
1.2 The time set of key A2:Set hour and minute;
1.3 Super freeze set of key A3:Get into and exit the super freeze state;
1.4 Fuzzy /energy saving/close LED of key A4:Get and exit the fuzzy and energy
saving states and close LED.
2.The control of key
2.1 The refrigerator temperature set:Press the key A1 once ,the numerical value of
refrigerator temperature set begins to flicker ,and get into the refrigerator
temperature set state . Press the key again ,the numerical value of refrigerator
temperature will add 1 . But if the temperature is 10 degrees now, after a more
press it will turn to be 2 degrees. The process is a cycle.
2.2 Time set*Press the key A2 once , the numerical value of hour begins to flicker
, and get into the hour set state .Press the key again ,the numerical value of
hour will add 1 . But if the hour is 23 now , after a more press it will turn to be
00. The process is a cycle . 5 seconds later after the number of “hour” is set,
the number will stop glittering. Meanwhile the number of “minute” begin to glitter,
one more press will increase the the number with one. If the number is 59, one
more press will turn it to be 00. it is a cycle too. 5 seconds later it will be finished
to set the number of “minute”.
2.3 Super freeze set :Press the key A3 once ,the icon of super freeze lights on ,and
get into the super freeze of state ;Press the key again , he icon of super freeze
lights off ,and exit the super freeze of state .
2.4 Fuzzy and Energy saving set : Press the key A4 once. The fuzzy lights on and
get into the state of fuzzy . Press the key A4 again , the icon light of f and exit
the state of fuzzy .At the same time ,the icon of energy saving light on and get
into the state of energy saving .Press the key A4 third , the icon of energy saving
light off and exit the state of energy saving. The process is a cycle.
A1
A2
A3
A4
CONTROL AND DISPLAY SYSTEM
Summary of Contents for HRB-271
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