ACC 1 (18)
The Argonaut VI is equipped with an 8 pin
accessory connector. Refer to following
figure for the pin definitions as viewed from
the rear panel.
Figure 3-2 ACC1 Pin out
The pin out and function are listed in the
following table:
Pin Name /
Direction
Usage
1
Line In /
Input
Line level Audio input from
an accessory device (like a
TNC or sound card for digital
mode operation.) Selected
using the front panel MIC
button.
2
Ground
Grounding
3
Aux PTT /
Input
In Voice Modes, when
grounded, this pin will key
the radio and begin
transmitting. In CW Mode,
this pin can be used as a
keying input for an external
device such as an external
keyer or a computer running
a CW generator program.
4
Line Out /
Output
Line Level Audio output.
5
Clock /
Output
Future Use (Do NOT connect
to this pin)
6
Enable /
Output
Future Use (Do NOT connect
to this pin)
7
Data /
Output
Future Use (Do NOT connect
to this pin)
8
Amp Key
Line
Used to key an external
device, such as an Amplifier.
Occurs ~17ms before RF is
generated.
Table 3-1 ACC1 Pin out
External devices can utilize the clock/data
enable to identify band changes. The protocol
is defined in the Programmers Reference
Guide for the 539.
539 / Argonaut VI Users manual
Release 0.10 – November 13, 2012
Part #74479
Printed in USA
24
