14
CHAMBER TEMPERATURE SETTING
Table 1 shows the basic procedure for setting the chamber temperature. Perform key operations in the
sequence indicated in the table. The example in the table is based on the assumption that the desired
temperature is -25
o
C.
Note:
The unit is set at the factory that the set temperature is -30
o
C.
Table 1 Basic operation sequence (Example: Chamber temperature -25
o
C)
Description of operation
Key operated
Indication after operation
1
----
The current chamber temperature is
displayed.
2 Press set key.
SET
The second digit of the digital
temperature indicator flashes.
3
Set the temperature to 25 with the
digit shift key and the numerical
value shift key.
By pressing the key, settable digits
is shifted.
By pressing the key, the figure of
settable digit changes.
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. In this case, any setting before pressing set key (SET) is not memorized.
KEY LOCK FUNCTION
This unit is provided with the key lock function. When the key lock is ON, change of temperature setting
through the key pad is not available. The defrost key (DEF) is also ineffective. The key lock is set in
OFF at the factory.
Display Mode
Function
L 0
Key lock is OFF
Enable to change of temperature setting
L 1
Key lock is ON
Disable to change of temperature setting
Table 2 Procedure for key lock setting (change from key lock OFF to key lock ON)
Description of operation
Key operated
Indication after operation
1
----
The current chamber temperature is
displayed.
2 Press digit shift key for 5 seconds.
The first digit is flashed.
3
Press 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. In this case, any setting before pressing set key (SET) is not memorized.
Summary of Contents for MDF-MU300H
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