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RUNNING OPERATION (MENU/Set)
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 key lock is set in OFF at the factory.
If a key lock is on, a temperature selection screen can be seen. But, numerical value cannot be
changed. Setup procedure is the following.
Table 6. Procedure for key lock setting (Change from Unlock to Lock)
Description of operation Key operated Indication after operation
1 -----
The top screen displayed
2
Press the MENU key.
MENU
The menu window is indicated. And the
“set” is highlighted.
3
Press the ENTER key.
ENTER
The temp. setting window indicated. And
current chamber temperature is
highlighted.
4
Select Ring Back item pressing
Shift keys.
The set value 0 of the key lock (Key Lock)
is highlighted.
5
The number input key is pressed in
order to 1.
Key lock (Key Lock) is changed from 0 to 1.
6
Press the MENU key.
MENU
The menu window is indicated. And the
“OK” is highlighted.
7
Press the ENTER key.
ENTER
Ring back time is memorized, and the top
screen window is indicated.
1
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