15
“
” button: When the buzzer alarms, press it once to clear the buzz. Press it and hold for 5 seconds
to enter the user setting mode. The parameters can be set by the user as needed in this mode.
“
” button: In the normal display mode, the temperature display will switch over between “upper
sensor temperature” and “average temperature” once this button is pressed, and the corresponding
LED indicator light will also change; during parameter setting by the user, press this button to
increase the value to be adjusted or enter into the next parameter.
“
” button: In the normal display mode, the temperature display will switch over between “lower
sensor temperature” and “average temperature” once this button is pressed, and the corresponding
LED indicator light will also change; during parameter setting by the user, press this button to
decrease the value to be adjusted or enter into the previous parameter.
“
” button: it is used for alarm test. The buzzer makes sounds for 3 times at frequency of 1Hz
continuously once it is pressed, and the alarm indicator light flickers 3 times in synchronization. In the
case of faults, each fault code is displayed in turn for 1s, and the light is OFF for 1s.
“
” button: it is used for control of the light inside the refrigerator. The status of the light will change
when it is pressed each time.
The parameters of the refrigerator have been set before delivery. It is recommended to use the
default parameters. If it needs to adjust any parameter in special conditions, follow the steps below:
Press and hold the “Set” button for 5 seconds, it displays “Ts” and enters the user setting mode (two
levels: common setting level and user management level). The user-oriented parameters are as
shown in the following table:
Control Specification - LED Type Panel
(HYC-509/509F/509R/1099/1099F/1099R)
Parameter
Description
Min. value
Max.value
Step size / Unit
Default
TS
Inside temperature set
value
2
8
0.1/
℃
5
ALH
High temperature
alarm value
（
TS+1
）
10
0.1/
℃
8
ALL
Low temperature alarm
value
1
（
TS-1)
0.1/
℃
2
T1
USB access cycle
1
30
1/Min
6
T2
USB time
Year (P1:10 to 99) /
Month (P2:01 to 12)/Day
(P3:01 to 31)/Hour (P4:00
to 23)/Minute (P5:00 to
59)
1
/
Functions of the buttons
User parameter setting
