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6.10 Setting Key-lock (KEY)
The key-lock can be set to be either on or off for each key separately. Keys which can
be locked are the [RCD], [PRINT], and [FEED] keys.
Key operation Indication Discription
Press the [DISP] key for three seconds to enter the SET mode.
Select the  display using the  key, and press the
Select a key to be locked using the  key and press the
Select  to turn the key-lock on or select 
to turn it off, using the  key and press the [ENT] key.
 is displayed and setting is completed. Press the
[ENT] key to set another key; or press the [DISP] key for three
seconds to return to the Operation mode.
NOTE If you press the [ESC] key in the middle of setting, the indication returns to the
 and already set data will be aborted.