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General Purpose Waveform Monitor for examination of
televison waveforms. Includes display unit and space for
inclusion of 2 plug in B size modules such as AMl/567 and
UN1/558 for extension of facilities. Mains operated. Can
be used with PAlM/529. Panel 483mm x l40mm for bay
mounting or housing in standard case or portable case.
DD 1966. DD Spec 9.105. DDHB 9.117. ACO. OBSOLESCENT.
Monitors IV composite video signal to give a field or line
display of the waveform together with a level indicating
cursor line. 405, 525 or 625 line signals, colour or
monochrome. First used in telecine areas at Television
Centre Spur side-by-side with MN3/503. Portable 254mm x
l40mm x 356mm. DD 1966. DD Spec 9.75. DDHB 9.117. ACO.
Vector Waveform Monitor. Accepts one or two PAL encoded
colour signals and displays the colour vectors as X and Y
coordinate video signals using either a regenerated or
external subcarrier and 7.8kHz switching signal to
demodulate the colour signal. PN3/23 with DMl/502,
UN9/542, UNl/540B and display unit. DD 1966.
DD Spec 8.250. DDHB 9.117. ACO. OBSOLESCENT.
DD 1967. DDHB 9.117. CANCELLED.
Waveform Monitor. Transistorised version of MN6/50l.
DD 1968. DDHB 9.117. WITHDRAWN.
NTSC Vector Waveform Monitor comparising UN1/540, UN9/546,
General Purpose and Television Waveform Monitor, formed by
modification of a commercial oscilloscope (Telequipment
D67). Modifications are on two printed circuit boards
fitted inside the original case, 240mm x 2l0mm x 44Omm.
MN7 FREQUENCY MONITORS
Frequency Checking Monitor used in OS5M/50l. DD 1965.
High Frequency Monitor for automatic alarm and changeover
functions on failure of a continuous high frequency signal
SCPD 1968. OBSOLESCENT.
Precision Subcarrier Frequency Monitor for measuring
accurately 625 line PAL subcarrier frequency of remote or
local sources and counting the number of cycles in 8
fields. PN3/23 with OSl/502 or OSl/5l3, UN1/540, UN1/603,