Tektronix 496 Instruction Manual page 4

4961496P Service Vol. 2
Do Not Service Alone
SYMBOLS
Do not perform internal service or adjustment of this prod-
uct unless another person capable of rendering first aid and
resuscitation is present.
Use Care When Servicing With Power On
SERVICING SAFETY SUMMARY
FOR QUALIFIED SERVICE PERSONNEL
DNLY
Dangerous voltages exist at several points in this product.
To avoid personal injury, do not touch exposed connections
and components while power is on .
DANGER-High voltage.
Disconnect power before removing protective panels, sol-
dering, or replacing components .
Protective ground (earth) terminal .
Power Source
ATTENTION-refer to manual .
This product is intended to operate from a power source
that will not apply more than "250 volts rms between the
supply conductors or between either supply conductor and
ground . A protective ground connection by way of the
power Source
grounding conductor in the power cord is essential for safe
operation.
This product is intended to operate from a power source
that will not apply more than 250 volts rms between the
supply conductors or between either supply conductor and
TERMS ground . A protective ground connection by way of the
grounding conductor in the power cord is essential for safe
operation .
In This Manual
CAUTION statements identify conditions or practices that
could result in damage to the equipment ar other property .
WARNING statements identify conditions or practices that
could result in personal injury or loss of life .
As Marked on Equipment
CAUTION indicates a personal injury hazard not immediate-
ly accessible as one reads the marking, or a hazard to prop-
erty including the equipment itself.
u
In This Manual
This symbol indicates where applicable cau-
tionary or other information is to be found.
As Marked on Equipment
Grounding the Product
This product is grounded through the grounding conductor
of the power cord . To avoid electrical shock, plug the power
cord into a properly wired receptacle before connecting to
the product input or output terminals. A protective ground
connection by way of the grounding conductor in the power
cord is essential for safe operation.
Danger Arising From Loss of Ground
Upon loss of the protective-ground connection, all accessi-
DANGER indicates a personal injury hazard immediately ac-
ble conductive parts (including knobs and controls that may
cessible as one reads the marking .
appear to be insulating) can render an electric shock.