7.
Control Head Front Panel Connections
The control head contains the main power switch and microphone, speaker, Morse key and
phone jacks.
The following connectors/jacks are located in the control head:
Microphone Connector
-
The
505DSP's
microphone
uses
an
8-
pin
DIN
connector. The
microphone input impedance is
approximately
2000
ohms. The
microphone amplifier will
accommodate low- or medium-
impedance dynamic microphones
providing
5
to
20
millivolts of
output. The microphone supplied
with the
505DSP
is prewired.
Wire your microphone according
t o Figure
5
if using another brand
of microphone.
Paddle, Morse Key Input Jacks
-
The PADDLE input jack allows
Connection
of a
CW
paddle (not
supplied) having
two
switches, a
"dit" and a "dah." The common
wire
is grounded. Wire the paddle
to
one of the included
3.5
mm
stereo phone plugs, connecting the
tip to the right side of the key and
the ring to the left. The
outer
part
of the jack is the switch common.
Left-handed operators should use
the same wiring Connection, then
select "left-hand" from the
CW
menu, C W Keyer Mode sub-menu
in the control software.
The Morse
KEY
input jack allows
the separate Connection of a
I
Figure 4 Control Head Front Panel
MIC
AUD
Figure 5 Microphone Wiring
I
\
ou
Figure 6
Key Input Jacks
"straight" key. Connect the key between the tip and outer portions of the included
3.5
mm
stereo phone plug. Select "straight" from the CW Keyer Mode sub-menu. Note that the
"straight" key May remain connected to the control head at the same time as the paddle, but that
the straight key is always "alive," in left-hand or right-hand iambic keyer modes.
ion
and Operation
Guide
