MAINTENANCE MANUAL
RD-301A
Subject to Export Control, see Cover Page for details.
WARNING:
HIGH VOLTAGE EQUIPMENT
THIS EQUIPMENT CONTAINS CERTAIN CIRCUITS AND/OR
COMPONENTS OF EXTREMELY HIGH VOLTAGE POTENTIALS,
CAPABLE OF CAUSING SERIOUS BODILY INJURY OR DEATH. WHEN
PERFORMING ANY OF THE PROCEDURES CONTAINED IN THIS
MANUAL, HEED ALL APPLICABLE SAFETY PRECAUTIONS.
SAFETY FIRST: TO ALL OPERATIONS AND SERVICE PERSONNEL
REFER ALL SERVICING OF UNIT TO QUALIFIED TECHNICAL PERSONNEL.
WARNING: USING THIS EQUIPMENT IN A MANNER NOT SPECIFIED BY THE ACCOMPANYING
DOCUMENTATION MAY IMPAIR THE SAFETY PROTECTION PROVIDED BY THE EQUIPMENT.
CASE, COVER OR PANEL REMOVAL
Removing protective covers, casings or panels from this Test Set exposes the technician to electrical
hazards that can result in electrical shock or equipment damage.
SAFETY IDENTIFICATION IN TECHNICAL MANUAL
This manual uses the following terms to draw attention to possible safety hazards, that may exist when
operating or servicing this equipment.
CAUTION: THIS TERM IDENTIFIES CONDITIONS OR ACTIVITIES THAT, IF IGNORED, CAN RESULT IN
EQUIPMENT OR PROPERTY DAMAGE (E.G., FIRE).
WARNING: THIS TERM IDENTIFIES CONDITIONS OR ACTIVITIES THAT, IF IGNORED, CAN RESULT IN
PERSONAL INJURY OR DEATH.
SAFETY SYMBOLS IN MANUALS AND ON UNITS
CAUTION: Refer to accompanying documents. (This symbol refers to specific CAUTIONS represented on
the unit and clarified in the text.)
AC OR DC TERMINAL: Terminal that may supply or be supplied with ac or dc voltage.
DC TERMINAL: Terminal that may supply or be supplied with dc voltage.
AC TERMINAL: Terminal that may supply or be supplied with ac or alternating voltage.
SWITCH OFF: AC line power to the device is OFF.
SWITCH ON: AC line power to the device is ON.
EQUIPMENT GROUNDING PRECAUTION
Improper grounding of equipment can result in electrical shock.
USE OF PROBES
Check specifications for the maximum voltage, current and power ratings of any connector on the Test Set
before connecting it with a probe from a terminal device. Be sure the terminal device performs within these
specifications before using it for measurement, to prevent electrical shock or damage to the equipment.
POWER CORDS
Power cords must not be frayed, broken nor expose bare wiring when operating this equipment.
