Phcbi MDF-DU300H, Руководство по эксплуатации

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18
ALARM TEMPERATURE SETTING
Setting of low temperature alarm
By setting the low temperature alarm, the alarm lamp and digital temperature indicator blink and alarm
buzzer operates (after 15 minutes) when the chamber temperature is below the setting of low
temperature alarm. Set the low temperature alarm to protect the stored items against the damage
resulting from temperature lowering.
 Setting range of low temperature alarm:
Between chamber temperature minus 5 o C and chamber temperature minus 40 o C
 Initial setting (factory setting): chamber temperature minus 10
o
C
Example: Change the low temperature alarm to chamber temperature minus 5
o
C from chamber
temperature minus 10 o C
► Following shows a sample setting. Set the desired low temperature alarm according to the condition
of use.
Description of operation Key operated Indication after operation
1 ----
The current chamber temperature is
displayed.
2
Press the numerical value shift key
for about 5 seconds.
The first digit blinks.
3
Set to F02 with the numerical value
shift key. When pressed, the figure of settable
digit changes.
4 Press set key. SET
The current setting (-10) is displayed
and the first digit blinks.
5
Set to -05 with the digit shift key
and the numerical value shift key.
When pressed, the figure of settable
digit changes.
When pressed, the changeable digit
is shifted.
6 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.