Yaesu FTA-250L 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.

Yaesu FTA series Air Band Radio
Information Sheet No. 1
June 2018
Setting 8.33kHz channel spacing on the FTA-250L
1)
Press and hold the
[MAIN/SET] key
2)
Press the [DWN] key to
select (COMM)
3)
Press the [DWN] key until
FREQ STEP is Displayed
Press the [GROUP] key
(ENT)
4)
Press [UP] Key until 8.33
KHZ is displayed
5)
Press the [GROUP] key
(ENT)
6)
Press [BACK] key until the
frequency is displayed on
the screen
Setting 8.33kHz channel spacing on the FTA-450L, FTA-550, FTA-750L
1)
Press [MENU] key to
display the menu screen
2)
Select “SETUP” on the
MENU screen by pressing
the [<] or [>] keys, and
then press the [ENT] key.
3)
Press [<] or [>] keys to
select COMM SETUP and
press the [ENT] key.
4)
Press [<] or [>] keys until
FREQUENCY STEP is
selected.
Press the [ENT] key.
5)
Press [<] or [>] keys until
8.33kHz is highlighted.
Press the [ENT] key.
6)
Press [BACK] key until the
frequency is displayed.