Siemens SIMATIC PG 720 P Manual page 77

CRT/LCD
selection
CRT 640 x 480
CRT 800 x 600
CRT 1024 x 768
LCD Screen Size EXPANDED:
Trackball / PS/2
Mouse
* Only applies to external monitor
PG 720 P Programming Device
C79000-G7076-C721-02
Entry
Selection of monitor,
SIMULTAN
LCD enabled
CRT enabled
Image refresh rate with a resolution of 640 x 480 pixels
Image refresh rate with a resolution of 800 x 600 pixels
Image refresh rate with a resolution of 1024 x 768 pixels
Normal:
Internal
Disabled
External
Changes do not become active until the device is switched on
again.
Configuring the PG 720
Function
LCD display and external monitor activated
Only LC display activated
Only external monitor activated
With an LC display, various resolutions
are expanded to the size of the screen.
No expansion to 800 x 600 is made
The PS/2 interface is active.
IRQ 12 is occupied.
In this mode, a keyboard with integrated
trackball can be connected.
The PS/2 interface is inactive,
IRQ12 is available.
The PS/2 interface is active.
The IRQ 12 is occupied.
The keyboard trackball is disabled.
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