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15
ALARM TEMPERATURE SETTING
This unit is provided with the high and low temperature alarm and the temperature at which the alarm is
activated is changeable.
The following procedure shows the setting of alarm temperature according to the condition below:
High temperature alarm: activates at the temperature 5
o
C higher than the set temperature
Low temperature alarm: activates at the temperature 5
o
C lower than the set temperature
Note:
The alarm temperature is set at the factory 10
o
C higher and lower than the set temperature.
The available range of alarm temperature is between 5
o
C and 20
o
C higher or lower than the set
temperature.
Table 3. Procedure for setting high temperature alarm
Description of operation
Key operated
Indication after operation
1
----
The current chamber temperature is
displayed.
2
Press numerical value shift key for
about 5 seconds.
The first digit is flashed.
3
Press numerical value shift key
and scroll the figure to 1.
The first digit is flashed.
4 Press set key.
SET
The first digit is flashed.
When pressed, the figure of settable
digit changes.
5
Scroll the figure to 005 by using
digit shift key and numerical value
shift key
When pressed, the changeable digit
moves.
6 Press set key.
SET
Alarm temperature is memorized and
the current chamber temperature is
displayed.
Table 4. Procedure for setting low temperature alarm
Description of operation
Key operated
Indication after operation
1
----
The current chamber temperature is
displayed.
2
Press numerical value shift key for
about 5 seconds.
The first digit is flashed.
3
Press numerical value shift key
and scroll the figure to 2..
The first digit is flashed.
4 Press set key.
SET
The first digit is flashed.
When pressed, the figure of settable
digit changes.
5
Scroll the figure to -05 by using
digit shift key and numerical value
shift key
When pressed, the changeable digit
moves.
6 Press set key.
SET
Alarm temperature is memorized and
the current chamber temperature is
displayed.
• The temperature set mode returns to the temperature display mode automatically when 90 seconds has
passed without any key operation.