Apple PowerBook (Duo 270C) - Manual (Page 261)

Turning on the PowerBook Duo System
1. If you are using an external monitor or SCSI equipment
(such as an external hard disk drive), turn it on now.
2. Turn on or wake the PowerBook Duo by pressing its
Power On key.
You can also turn on or wake the computer by pressing the
Power On key on your external keyboard, if you have one.
The Power On key is marked with a triangle pointing left.
Making your external monitor the main monitor
If you are using an external monitor with your PowerBook Duo
System, you’ll probably want to use it as the main monitor (the
one on which the menu bar appears).
To make the external monitor your main monitor, follow these
steps. You can only do this when your PowerBook is connected to
the Duo MiniDock.
1. Choose Control Panels from the Apple menu, and open
the Monitors control panel.
In the control panel you’ll see two rectangles representing
your two monitors.
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Chapter 13: Building a PowerBook Duo System 245