scope:

This specification establishes the performance, design, and test requirements for the ID-2121A/ARC, ID-2229A/ARC and ID-2303/ARC Indicators, Frequency Channel hereinafter referred to as the indicator. The indicators covered in this specification are used with the receiver-transmitters of the ARC-182 family.

Three types of indicators are covered by this specification. The principle difference between the three indicators is the colors of the panel lighting. The indicators and respective lighting are as follows:

a. ID-2121A/ARC Red b. ID-2229A/ARC White c. ID-2303/ARC Blue-White

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (SESD) Code 53, Lakehurst, NJ 08733-5100 by using the self-addressed Standardization Document Improvement or by letter.

intended Use: