WFM90D and WFM91D ServiceManual 2-1
Installation
This section containsthe following information:
HMechanicalinstallation instructions
HElectricalinstallation instructions
HOperating instructionsthat relate to the service of this instrument

Mechanical Installation

Before installing the WFM90D or WFM91D Handheld Waveform,Vector,
Picture, and Audio Monitor, referto the Environmental Characteristic require-
ments, located in Table1--9 on page1 --8 of the Specifications section.
All qualificationtesting was performed with the factory shipped cabinet
installed. Toguarantee compliance with specifications, only operate the
instrument in its cabinet.
Save the shipping cartonand packing materials (including antistatic bag) in case
it becomes necessaryto ship the instrument for repair. Refer to Repackaging
Instructions on page6 --2 for instructions on packaging theinstrument for
shipment.
Youcan purchase a viewing hood and desk stand to use with your WFM90D or
WFM91D. The viewing hood makes it easierto view the instrument display in
well-lighted situations.
Toattach the hood to the instrument, attach the supplied Velcrostrips to the sides
of the instrument, and then press the flaps of the viewing hood onto the strips as
shown in Figure 2--1.

Unpacking

ViewingHood