12 rtty packet operation (fax/sstv), Introduction, Connecting additional equipment – Alinco DR-SR8 User Manual

Page 48: Procedure

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46

Chapter 2 Communications

2.12 RTTY Packet Operation (FAX/SSTV)

Introduction

DX-SR8 has no dedicated features for RTTY packet, FAX, and SSTV operations. However,
these operations can be enabled by using the following procedures.

1

2

3

4

5

6

7

8

GND

GND

PTT

Audio frequency OUT

Audio frequency IN

(Microphone Connector)

Connecting Additional Equipment

Pin (1) — To audio output of additional equipment.
Pin (7) — To ground of the audio output.
Pin (2) — To PTT output of additional equipment.
Pin (8) — To PTT GND of additional equipment.
Eexternal speaker jack — To RECEIVE SIGNAL. AF-IN.

Procedure

Turn the power on.

1.

Select the mode.

2.

• You may like to choose the mode UT (or LT) which gives a higher pitch

passband, suited for data communications such as FAX, SSTV, RTTY, etc. To
select UT or LT, press [FUNC] key and then [MODE] key in USB mode for UT,
in LSB mode for LT. Press [FUNC] key and then [MODE] key again to go back
to USB/LSB modes.
The change of UT/LT is automatic when AUTO is selected in Menu 9 (Page 77),
it turns to UT for USB bands, LT for LSB bands.

Select the desired operating band.

3.

Start receiving.

4.

Mode commonly used

DX-SR8

RTTY (AFSK)

LSB

LT

AFSK (300 baud)

SSB

UT/LT

AFSK (1200 baud)

FM

FM

FAX

SSB/FM

UT/LT/FM

SSTV

SSB/FM

UT/LT/FM

REFERENCE: Third-party-mode peripherals are available to ease data-mode

operations. Please follow instructions of the devices as well in case

you use them.

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