Apple 150 Laptop User Manual


 
Additional Procedures Adapter Verification - 8
Adapter
Verification
No preliminary steps are
required before you begin
this procedure.
1 Plug in the AC adapter to
a wall socket.
2 Set a voltmeter to the 10
volts DC scale.
3 Touch the positive
voltmeter probe to the
inside of the adapter
plug, and touch the
negative voltmeter
probe to the outside of
Negative
Probe
Positive
Probe
Adapter
Plug