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Programming Device PG 740
C79000-G7076-C742-01
Once you have plugged in the external mouse and restarted your PG 740, the
internal trackball is inactive, and remains inactive until the PG 740 is
powered up again without the external mouse.
Table 3-1 Trackball/External Mouse Mode
Situation Internal Trackball External PS/2 Mouse
No mouse Active
External mouse Passive Active
You can connect a serial mouse to the COM2 serial port. To operate a serial
mouse, you must assign the relevant parameters to the mouse driver. You will
find the information you need to do this in the description of your mouse or
in the description of the operating system.
Proceed as follows:
1. Switch off your PG 740.
2. Open the cover of the interface ports on the left-hand casing side panel.
3. Plug the serial mouse into the mouse connector labeled COM2.
4. Switch your PG 740 on again.
Switching over
between Internal
Trackball and PS/2
Mouse
Connecting a
Serial Mouse
Starting Up the PG 740
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