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WFM 90 and WFM 91 Service Manual
1–1
Specifications
This section includes the following information:
H Product description
H Characteristics tables
Refer to Performance Requirements on page 1–5 for the conditions over which
the characteristics listed in this section are valid.
Product Description
The Tektronix WFM 90 or WFM 91 Handheld Waveform, Vector, Picture, and
Audio Monitor is a self-contained, rasterizing television monitor. The instrument
has a built-in LCD color display device and is powered by batteries or by an AC
adapter producing 12 VDC.
This product can be used in traditional in-house applications of television
production, post-production, and signal transmission. The portability of this
instrument allows it to be used in untraditional applications, such as field
production and system maintenance.
The following is a list of the key features of this instrument:
H Rasterized waveforms and graticules shown on the built-in color, four-inch
diagonal, TFT LCD display with viewing angle adjustment
H Powered by batteries or an AC adapter
H Menu-assisted monitoring operation
H Video and audio signal input and output capability
H Waveform, Vector, Picture, Audio, and Waveform-in-Picture (WIP) display
modes
H Line Select mode for the selection of any single line of video for display
H Time-out mode to shut off power to the display backlight and/or the
instrument when the instrument is not in use
H Signal level alarm mode for the waveform and audio displays
H Preset menu to store or recall the front panel and menu setup
H Instrument readjustment is performed entirely from the front panel
Key Features