Atec WFM90D, WFM91D User Manual

Features & Benefits

Battery or AC Powered

Truly Portable

4 in./102 mm Color
LCD Display

Picture Monitor

Waveform Monitor

Vectorscope

Line Select Display

Audio Monitor

Waveform-in-picture Mode

Video Output for Routing
to External Display

AutoDetect of
Analog/270 Mbps – SDI Signal

Models

– WFM90D:

NTSC/270 Mbps – SDI (525)

– WFM91D:

PAL/270 Mbps – SDI (625)

Applications

Field Production

Troubleshooting

Equipment Installation

Handheld Waveform Monitors

WFM90D • WFM91D

The Tektronix WFM90D/WFM91D are

handheld, multifunction monitors ideally suited

to the monitoring needs of field production,

equipment installation or any situation where

portability and battery operation is required

for analysis of analog composite video and

270 Mbps – SDI systems. The combination

of features and monitoring modes provided

makes these instruments powerful enough to

set up, time and troubleshoot complex video

and audio systems, combining the power of

four separate instruments in the palm of

your hand.

The high-resolution, 4 in./102 mm color LCD

display provides a clear picture of the incom-

ing video signal. Alternately, the waveform,

vector or audio displays may be shown full-

screen or any one may be cut into any corner

of the display. In addition to the LCD display, a

composite video output supplies a mono-

chrome waveform, vector or audio display,

either full-screen or cut into a color picture.

Waveform Monitors • www.tektronix.com/video_audio

1

Handheld Waveform Monitors

WFM90D •WFM91D

As a waveform monitor, the WFM90D/

WFM91D provides all the features expected

on a basic, single-channel monitor: external

reference; 1H, 2H and 2F sweeps; X1, X5 and

variable vertical gain; flat and luminance filters.

The external reference input allows users to

perform the system timing adjustments critical

to sophisticated field productions. In addition

to these basic features, an alarm mode, where

the waveform’s color changes above 100 IRE

(WFM90D) or 700 mV (WFM91D), provides

quick feedback when video levels exceed

accepted standards.

The WFM90D/91D also reports presence/

absence of EDH packet, FF/AP CRC Errored

Seconds and Cable Length Margin Flag.

All display controls are selected through

simple, on-screen menus.

Whether adjusting a camera’s black/white

balance or adjusting chroma levels and hues

on a time base corrector, the WFM90D/

WFM91D Composite Vector Mode provides

the needed display controls. Variable, X1

and X5 gain settings and a 360 degree phase

shifter are selectable via on-screen menus,

as is 75% or 100% bars for the WFM90D.

The Analog Audio Mode’s voltage vs. time

display is useful for setting or checking levels

and for detecting certain types of distortions.

The audio display, driven via a single XLR

connector and a headphone jack, permits

listening to the displayed audio.

WFM90D/WFM91D monitors can be powered

with a NiMH battery pack or an AC adapter,

which also charges the NiMH battery pack.

A 12 volt cigarette lighter adapter may also

be used as a power source.

A rugged case with a shoulder strap makes

transporting WFM90D/WFM91D monitors

easy. Several options are available for the

WFM90D/WFM91D monitor, including a

viewing hood for operating in bright light and

a desk stand that simplifies benchtop use.

Waveform Monitors • www.tektronix.com/video_audio

2

Photo reprinted courtesy of Video System Magazine, Aug. ‘94.

Handheld Waveform Monitors

WFM90D •WFM91D

Characteristics

Operating Modes

Picture Mode – Full-screen, unprocessed
representation of incoming video.

Waveform Mode (Composite/Component) –

Sweep Modes: 1H, 2H, 2F.
Vertical Gain: X1, X5, variable.
Filters: flat, luminance (low pass).
Alarm: waveform changes color above 100 IRE
(WFM90D) or 700 mV (WFM91D).
Selection of Y’P’bP’r, GBR,Y/C and
Composite Waveform.

Vector Mode (Composite) –

Gain: X1, X5, variable.
Phase Control: 360 degree rotation.
Bar Amplitude: 75% or 100%.

Audio Mode (Analog Only) –

Voltage vs. Time Display.
Reference Levels: Mic, -10, 0, 4, 8 dBu.

Waveform-in-picture Mode – Either Waveform,
Vector or Audio displays may be cut into picture
and placed in any corner of display.

Inputs

Video – 1 switchable composite analog or
270 Mbps – SDI.

External Reference – 1 composite analog.

Audio – 1 analog balanced XLR.

Power – 12 V DC or internal battery.

SDI Reporting –

Cable length margin flag

AutoDetect of Analog/270 Mbps – SDI

Presence/Absence of EDH packets

FF/AP CRC errored seconds

Outputs

Video – 1 composite video. Picture in color,Waveform,
Vector and Audio in monochrome.

Audio – 1 stereo headphone jack. The mono input
drives both headphone channels.

Certifications

EMC – Certified to the EMC Directive 89/336/EEC.

Physical Characteristics

Dimensions mm in.

Height 244 9.6
Width at display 127 5
Width at hand grip 89 3.5
Depth at display 81 3.2
Depth at hand grip 60 2.4

Weight kg lbs.

Approximate with batteries 1.4 3

Waveform Monitors • www.tektronix.com/video_audio

3

WFM91D Analog display.

WFM90D/91D Safe Title/Safe Action markers
are provided for production monitoring.

WFM90D 2H waveform display.

WFM91D line select display.

WFM90D vector display.

Handheld Waveform Monitors

WFM90D •WFM91D

For the most up-to-date product information

visit our web site at

www.tektronix.com

Copyright © 2002, Tektronix, Inc. All rights reserved. Tektronix products are
covered by U.S. and foreign patents, issued and pending. Information in this publi­cation supersedes that in all previously published material. Specification and price
change privileges reserved. TEKTRONIX and TEK are registered trademarks of
Tektronix, Inc. All other trade names referenced are the service marks, trademarks
or registered trademarks of their respective companies.

11/02 TVN/XBS 24W-7245-7

Ordering Information

WFM90D

NTSC/270 Mbps – SDI (525) Handheld
Waveform/Vector/Picture/Analog Audio Monitor.

WFM91D

PAL/270 Mbps – SDI (625) Handheld
Waveform/Vector/Picture/Analog Audio Monitor.

Note: WFM90D/WFM91D monitors are self-contained
instruments.

All Include: User manual, carrying pouch with
shoulder strap, AC adapter.

Opt. 01 – NiMH battery.

Opt. 33 – Travel line package.

Includes: Carrying case, NiMH battery pack,

desk stand and viewing hood.

Optional Accessories

NiMH Battery Pack – Order 146-0107-01.

Desk Stand – Order 386-6787-00.

Large Carrying Bag – Order 016-1344-00.

Viewing Hood – Order 011-0167-00.

Service Manual – Order 071-1143-00.

Waveform Monitors • www.tektronix.com/video_audio

4

Contact Tektronix:

ASEAN / Australasia / Pakistan (65) 6356 3900

Austria [phone]

Belgium [phone]

Brazil & South America 55 (11) 3741-8360

Canada 1 [phone]

Central Europe & Greece [phone]

Denmark [phone]

Finland [phone]

France & North Africa [phone]

Germany [phone]

Hong Kong (852) 2585-6688

India (91) 80-2275577

Italy [phone]

Japan 81 (3) 3448-3010

Mexico, Central America & Caribbean 52 (55) 56666-333

The Netherlands [phone]

Norway [phone]

People’s Republic of China 86 (10) 6235 1230

Poland [phone]

Republic of Korea 82 (2) 528-5299

Russia, CIS & The Baltics [phone]

South Africa [phone]

Spain [phone]

Sweden [phone]/4

Taiwan 886 (2) 2722-9622

United Kingdom & Eire [phone]

USA 1 [phone]

USA (Export Sales) 1 [phone]

For other areas contact Tektronix, Inc. at: 1 [phone]

Updated 20 September 2002