WFM 90 and WFM 91 Service Manual 2–1
Operating Information
This section contains the following information:
HMechanical and electrical installation instructions
HOperating instructions that relate to the service of this instrument

Installation

Before installing the WFM 90 or WFM 91 Handheld Waveform, Vector, Picture,
and Audio Monitor, refer to the Environmental Characteristic requirements,
located in Table 1–8 on page 1–10 of the Specifications section.
All qualification testing was performed with the factory shipped cabinet
installed. To guarantee compliance with specifications, only operate the
instrument in its cabinet.
Follow these instructions when you are mechanically installing this instrument:
Unpacking. Save the shipping carton and packing materials (including antistatic
bag) in the event it becomes necessary to ship the instrument to a Tektronix
Service Center for service or repair. Refer to Repackaging Instructions on
page 6–4 for instructions on packaging the instrument for shipment.
Cabinet. The WFM 90 or WFM 91 Handheld Waveform, Vector, Picture, and
Audio Monitor is shipped installed in a cabinet. There are not any optional
cabinets available.
Viewing Hood. The optional viewing hood allows you to readily view the
instrument display in well-lighted situations. The hood is attached to the
instrument by first applying the supplied Velcro strips to the sides of the
instrument, and then pressing the flaps of the viewing hood onto the strips as
shown in Figure 2–1.

Mechanical Installation