This manual applies to instruments with serial
numbers prefixed: 2846A
This Operating and Service manual contains information
to install, operate, maintain, and service the HP Model4935A
Transmission Impairment Measuring Set (TIMS). The manual
is divided into eight major sections which provide
the following information:
SECTION I. GENERAL INFORMATION.
Provides identification, specifications, related
manuals, and user-repair information.
SECTION II. INSTALLATION.
Contains unpacking and inspection information, power
requirements, packaging, and storage instructions.
SECTION III. OPERATION.
Includes an explanation of controls, connectors, indicators,
and an automatic self check procedure. Describes
measurement principles and front panel instructions
for making each measurement.
SECTION IV. PERFORMANCE TESTS.
Gives test procedures required to verify that the
instrument’s performance is in accordance with the
SECTION V. ADJUSTMENTS.
Provides adjustment and calibration procedures.
SECTION VI. REPLACEABLE PARTS.
Lists and identifies the instrument assemblies and
SECTION VII. MANUAL CHANGES.
Contains information to backdate the manual for instruments
with earlier serial numbers.
SECTION VIII. SERVICE.
Includes theory of operation, troubleshooting procedures,
flowcharts, component locators, and schematic diagrams.