Radio Shack 273-1687A, Owner'S Manual

Page: 7 / 24

7
Select
ing
the
A
dapt
aplug
marked on the Adaptaplug to
TIP
marked on the output socket. If the
tip on the device’s power jack is
negative, align
–
(negative) to
TIP
.
If you use the special Dell plug,
align
TIP
on the Dell plug with
TIP
marked on the output socket.
Ô
TIP –
TIP
+
Ô
NOTE
Ô
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).