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KEY LOCK FUNCTION
This unit is provided with a key lock function. When the key lock is ON, change of temperature setting
through the key pad is not available. The key lock is set in OFF at the factory.
Display Mode Function
L0 Key lock is OFF Enable to change of temperature setting
L1 Key lock is ON Disable to change of temperature setting
Table 6 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 increases.
4 Press set key. SET
The key lock is set to ON.
The current chamber temperature is
displayed.
Note:
• F00 is displayed if the numerical value shift key is depressed for about 5 seconds accidentally. This
display is for service personnel. Do not change this display. Present temperature is displayed
automatically when the set key(SET) is pressed or about 90 seconds is passed without any key
operation.