USB Operation .............................................................................................. 3-24
4
Making Measurements ........................................................................ 4-1
Introduction........................................................................................................ 4-3
Measuring Voltage............................................................................................. 4-4
Measuring DC Voltage.................................................................................. 4-4
Measuring AC Voltage.................................................................................. 4-5
Measuring Resistance ........................................................................................ 4-7
Measuring Current ............................................................................................. 4-10
Measuring DC Current .................................................................................. 4-11
Measuring AC Current .................................................................................. 4-12
Testing Continuity ............................................................................................. 4-15
Checking Diodes................................................................................................ 4-16
A 2X4 Test Leads............................................................................................ A-1
B Errors........................................................................................................... B-1
C RS-232 Port Connections ............................................................................ C-1
Index
iii
(continued)
Contents