Radio Communications Test Set type 2955 combines ail the
measurement facilities ^required for testing mobile radio
transceivers in the range up to 1000 MHz. It is a compact
self-contained unit designed for bench or mobile use and can
be considered as a combination of, eleven instruments as
RF counter u AF counter.
RF signal generator.
RF power meter.
AF generator. ‘
AF and DC voltmeter.
S/N (signal to noise) and SIN AD (S/N and distortion) meter.
Tones decoder and encoder.
Push-button selection makes ail the necessary
interconnections for each measure- ment, eliminating the
need for the many interconnections required when separate
instruments are used. Function .selection and data entries
are made on a colour-coded keyboard with the operating
sequence logically arranged from left to i'.^nt. instrument
operation is greatly enhanced by the CRT display which
provides prompts during data entry and guidance during
operating sequences while also showing the instrument
settings and measurement results. Analogue measurements are
displayed by an oscilloscope with repetitive sweep, single
shot and freeze facilities, as weil as by five autoranging