Phcbi MDF-U443, Руководство по эксплуатации

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15
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. The chamber temperature is set to -40
o
C at the factory.
Table 1 Basic operation sequence (Example: Chamber temperature -25 o C)
Description of operation Key operated Indication after operation
1 Turn the power switch on. ----
The current chamber temperature is
displayed.
2 Press set key. SET The second digit is flashed.
3
Set to -25 with the digit shift key
and the numerical value shift key.
When pressed, the settable digit is
shifted.
When pressed, the figure of settable
digit changes.
4 Press set key. SET
Set temperature is memorized and the
current chamber temperature is
displayed.
Note:
■ Although the value of the chamber temperature setting can range from -15
o
C to -44
o
C, the
guaranteed temperature is -40
o
C when there is no load at the ambient temperature at 35
o
C.
■ The temperature set mode returns to the temperature display mode automatically when 90 seconds
has passed without any key operation.
KEY LOCK FUNCTION
This unit is provided with the key lock function. When the key lock is ON, change of the setting through
the key pad is not available. The key lock is set in OFF at the factory.
Display Mode Function
L 0 Key lock is OFF Enable to change of the setting
L 1 Key lock is ON Disable to change of the 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 Press digit shift key for 5 seconds. The first digit is flashed.
2
Press numerical value shift key and
scroll the figure to 1. When pressed, the figure of settable
digit changes.
3 Press set key. SET
The key lock is set to ON.
The current chamber temperature is displayed.
■ The key lock works for the chamber temperature setting and function mode.
■ To release the key lock, select L0 when performing the key lock mode operation described above.
■ The key lock set mode returns to the temperature display mode automatically when 90 seconds has
passed without any key operation.