Top View

Side View

Back View

 

Figure 5

 

LT-100

LT-100

Power Switch: Located on the top of the case.

Battery Test Button: Press to check the remaining life of the batteries.

Battery Meter: The number of segments that light when the Battery Test Button is pushed indicate the approximate time of battery life remaining.

Microphone Connector: wired as follows:

Pin 1

Ground

Pin 2

Mic

Pin 3

+5 volt bias

Pin 4

+5 volt bias fed through a 3K ohm

 

resistor for 2 wire electrets.

 

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Image 15
Telex USR-100 operating instructions Top View Side View Back View LT-100, Microphone Connector wired as follows