Joint Electronics Type Designation System Item Name
Test set, microphone
Joint Electronics Type Designation System Item Type Number
Ts-4279/g
Electrical Power Source Relationship
Operating
Internal Battery Accommodation
Not included
Inclosure Feature
Single item w/housing
Test Type For Which Designed
Used to conduct operational go/no-go test for microphone and associatedcable harness assemblies contained in daiss oxygen masks used onboard ec-135aircraft
Operating Test Capability
Audible output provides indication if uut is functional
Phase
Single
Functional Classification
Aa-15.1
Height
6.250 inches
Entry Date
92-01-21
Reference Data And Literature
T.O. 33d7-4-69-1
Supplementary Features
Audio frequency range 300hz to 3500hz; microphone input impedance 150 ohms ; output impedance to speaker 10 ohms
