Sharp TOUCH DISPLAY DRIVER Operation Manual page 6

Touch Panel Settings
nSettings when two devices are connected at the same time
If PN-K322B (or PN-K322BH) and LL-S201A are connected at the same time, select the model whose settings will be changed.
* Two models cannot be set at the same time.
Caution
• If two displays of the same model are connected, touch operation will only be enabled on one model.
1. Click "System Preferences" from the Apple menu (
2. Click "SharpTouchDisplay".
The "Device Selection" screen appears.
3. Select the model whose settings you want to change.
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