16
CHAMBER TEMPERATURE SETTING
Set the chamber temperature according to the condition of use. This freezer can keep the stored items
for long period under low temperature.
Setting range of chamber temperature: between -90
o
C and -50
o
C
Initial setting (factory setting): -80
o
C
Example: Change the chamber temperature to -75
o
C from -80
o
C
► Following shows a sample setting. Set the desired chamber temperature according to the condition
of use.
Description of operation
Key operated
Indication after operation
1 Turn on the power switch.
----
The current chamber temperature is
displayed.
2 Press set key.
SET
The current setting (-80) is displayed
and the second digit blinks.
3
Set to -75 with the numerical value
shift key and the digit shift key.
When pressed, the figure of settable
digit changes.
When pressed, the settable digit
is shifted.
4 Press set key.
SET
Set temperature is memorized and the
current chamber temperature is
displayed.
The setting mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation (auto-return function). In this case, the setting is not accepted.
Although the value of the chamber temperature setting can range from -90
o
C to -50
o
C, the
guaranteed temperature with no load is -86
o
C when the ambient temperature is 30
o
C.
LOCK OF CHAMBER TEMPERATURE
The setting of chamber temperature can be protected to avoid an accidental change. When the lock is
ON, change of chamber temperature setting through the key pad is not available.
Initial setting (factory setting): lock OFF
Display
Mode
Function
L 0
Lock is OFF
Enable to change the chamber temperature setting
L 1
Lock is ON
Disable to change the chamber temperature setting
Example: Change the lock to ON from OFF (factory setting)
Description of operation
Key operated
Indication after operation
1
----
The current chamber temperature is
displayed.
2
Press the digit shift key for about 5
seconds.
The first digit blinks.
3
Press the numerical value shift key
and scroll the figure to 1.
When pressed, the figure of settable
digit changes.
4 Press set key.
SET
The key lock is set to ON.
The current chamber temperature is
displayed.
The setting mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation (auto-return function). In this case, the setting is not accepted.
Содержание MDF-DU300H
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