tip on the device’s power jack is negative, align – (negative) to TIP.
TIP –
TIP +
If you use the special Dell plug, align TIP on the Dell plug with TIP marked on the output socket. ±
4.Insert the Adaptaplug into the device to be powered, then insert
±"016'"±"
If the polarity symbol is not displayed on the device to be powered, it might appear on an ID plate on the computer power supply or the original power adapter (see “Compatible Computers” on
Page 11).
Selecting the Adaptaplug
7
