7. CONNECTION TO CNC PERIPHERALS
A color liquid crystal display (LCD) and plasma display (PDP) require
settings for finely adjusting the video signal.
These settings are necessary because the signal slightly varies depending
on the NC unit or cables.
How to do the settings is described below.
Do the adjustment if the hardware of the display circuit on the NC, the
display unit, or a cable is replaced during installation or when a problem
(2)Points to be adjusted
Color liquid crystal
display (rear side)
Plasma display (rear side)
(3)How to do the adjustments
(a) Adjusting any flickering
1 Color liquid crystal display: Setting pin TM1
2 Plasma display: Setting switch TM1
1) Change the setting to find a range in which there is no flickering.
2) If there are several settings without flickering, select the middle
(Example) When there is no flickering in settings 2 to 6, select
(b)Setting the horizontal position
1 Color liquid crystal display: Setting switch SW1
2 Plasma display: Setting switch SW1
1) The horizontal position can be adjusted in units of dots.
2) Set the switch so that the entire screen is displayed. There is only
one such position. Normally, it is not necessary to change the
Do not change settings other than above such as volumes.
The brightness of the LCD display drops in low ambient
temperatures. (The LCD screen is dark immediately after
the power is turned ON.) This is due to the characteristics
of the LCD, and is not a malfunction. The LCD screen
becomes brighter when the ambient temperature rises.
Adjusting the Flat