Learners follow a step-by-step explanation of how to test fuses and circuit interrupting devices.

Learners read a description of the DC offset function, the 50 ohm and 600 ohm output terminals, and the TTL/CMOS output terminal.

In this animated object, learners examine the procedure used to determine the types of terminals on a single-pole, double-throw switch.

Learners examine the connections of a DC motor and how the terminals are labeled. A matching exercise completes the learning object.

Learners read a description of the knob controls, pushbuttons and output terminals on the Wavetek Model 25 signal generator.

Instructions on how to interpret state indicator symbols for input and output terminals of digital devices is presented.

Learners read how to use the knobs and the output terminals of a Wavetek Model 25 function generator to obtain a waveform at a desired frequency.