Figure 7-24.--Control rack with switches set for remote testing.

Figure 7-24.--Control rack with switches set for remote testing.

must observe all safety regulations and precautions at

power amplifier in the OFF position, due to charges

retained by capacitors and so on. Always use a safety

all times. There are no interlocks used on this

shorting probe to discharge and ground circuits before

equipment, and power to the control rack can be secured

touching them.

only by turning off the switch on the main IC

switchboard. Operation of the system involves the use

Localization of trouble in the system will be

of high voltages, and you should not service or adjust

comparatively simple because of the test facilities

this equipment alone. Under certain conditions,

included in the equipment. In most cases, a faulty

dangerous potentials may exist in circuits with the

assembly or even the faulty stage of an assembly can be

7-21