GENERAL INFORMATION
About this Manual
This manual contains directions for use that apply to the Timer/Counter/Analyzers CNT-90 and
CNT-91 as well as the Frequency Calibrator/Analyzer CNT-91R and CNT-91R/71B and the Mi-
crowave Counter/Analyzer CNT-90XL.
In order to simplify the references, these instruments are further referred to throughout this
manual as the '9X', whenever the information applies to all types. Differences are clearly
marked.
Examples:
CNT-90 means CNT-90 and CNT-90/XL
CNT-90/91 means CNT-90 and CNT-91
CNT-91(R) means CNT-91, CNT-91R and CNT-91R/71B
Chapter 8; Specifications is divided into four separate sections to increase legibility. Much of
the contents is common, so redundant data is the price in this case.
The Warranty Statement is part of the folder Important Information that is included with the
shipment.
Declaration of Conformity
The complete text with formal statements concerning product identification, manufacturer and
standards used for type testing is available on request.
VIII