
B-63323EN-1/03 12.DISPLAY/SET/EDIT
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12.1.17 Screen Clear Function and Automatic Screen Clear Function
General
The life of the LCD is reduced if the same characters are displayed in
the same position for a long time.
To avoid this, the CNC screen can be cleared. The screen clear
function clears the screen when a key is pressed. The automatic screen
clear function automatically clears the screen when no key operation is
made within the time specified in a parameter.
Screen clear function
When the
CAN
key and any function key (
PROG
,
POS
, etc.) are
pressed simultaneously, the current screen is cleared. The screen can
be re-displayed by pressing any function key.
Automatic screen clear function
If no key operation is made within the time (minutes) specified in
parameter 0016, the CNC screen is cleared automatically. The CNC
screen is re-displayed when any key is pressed.
- Clearing the screen with the automatic screen clear function
The CNC screen is cleared when all of the following functions are
satisfied after the elapse of the time (minutes) specified in the
parameter.
Conditions for automatically clearing the CNC screen
- Automatic screen clear disable signal *CRTOF is set to 0.
- Parameter 0016 is not set to 0.
- None of the following key operations is made:
MDI key operation
Soft key operation
External key input
- No alarm occurs.
- Redisplaying the screen cleared by the automatic screen clear function
When any of the following conditions is satisfied after a CNC screen is
erased, the CNC screen is re-displayed.
Conditions for re-displaying the CNC screen
- Automatic screen erase disable signal *CRTOF is set to 1.
- Any of the following key operations is made:
MDI key operation
Soft key operation
External key input
- An alarm occurs.