MK-1697/G

Headset-Microphone Kit MK-1697/G, a direct replace- ment for MK-1039/G, is used with Radio Sets AN/VRC- 43 through AN/VRC49, AN/VRC-53, and AN/VRC-125. The kit is installed in combat vehicle crewmen’s helmets and is connected to vehicular com- bat radio equipment by two 5-pin Connectors, Plug, Electrical U-229/U. It is used by the operator for two- way communication over the radio system or over the intercommunication system.

Technical Characteristics

Frequency response

300 to 3500 Hertz (Hz)

Earphones

Dynamic

Earphone Impedance

1,000 ohms

Microphone

Dynamic

Microphone Impedance

150 ohms

Operating Temperature

+ 150( F (66° C) to -400 F (40' C)

Related Files

TM 11-5965-286-14

OPERATOR’S ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

HEAD-MICROPHONE KIT

MK-1697/G (NSN 5965-00-313-8958)

22 JANUARY 1974