Yaesu FTA-750L - User Manual

Yaesu FTA series Air Band Radio
Information Sheet No. 1
June 2018
Connecting a GA Headset to the Yaesu FTA Series Airband Radio
Your radio is supplied with a SCU-15 GA Headset adapter as per the wiring diagram
1 Ground
2 Microphone
3 PTT
4 Speaker
Headset specification requirements for the SCU-15
Earphone (Speaker) Impedance: 8 ohms or above
Microphone impedance: 150 ohms +/- 20%
PTT pressed: Ground
PTT not pressed: Open
If a high impedance microphone is used, then a suitable power supply for the electret microphone element and a low
output impedance buffer amplifier will be required.
Using an external PTT switch
An example of a suitable external PTT switch is the Pilot
PA-50 which plugs into the SCU-15 Microphone socket.
The GA headset microphone plug connects to the PA-50
socket.
Using an intercom
A range of intercoms that are compatible with the Yaesu FTA series of radios are available from third party
manufacturers.

Summary

Connecting a GA Headset to the Yaesu FTA Series Airband Radio

Headset Specification Requirements

Specifies impedance and PTT requirements for the SCU-15 adapter.

External PTT Switch Usage

Details using an external PTT switch like the Pilot PA-50.

Intercom Compatibility

Mentions compatible intercoms from third-party manufacturers.

Setting 8.33 kHz Channel Spacing on FTA-250 L

FTA-250 L Procedure

Step-by-step guide to set 8.33kHz channel spacing on the FTA-250L.

Setting 8.33 kHz Channel Spacing on FTA-450 L, FTA-550, FTA-750 L

FTA-450 L;550;750 L Procedure

Step-by-step guide to set 8.33kHz channel spacing on FTA-450L, FTA-550, FTA-750L.

Yaesu FTA-750L Specifications

General

Brand	Yaesu
Model	FTA-750L
Category	Radio
Language	English