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6
1
PANEL DESCRIPTION
New2001
1
y
EXTERNAL SPEAKER JACK 1 [SP-1]
Connects an 8
Ω
speaker. Outputs both left and right
bands audio when no external speaker is connected to
[SP-2]. See the table below for details.
• Audio output power is more than 2.4 W.
u
EXTERNAL SPEAKER JACK 2 [SP-2]
Connects an 8
Ω
speaker. Outputs right band’s audio only.
• Audio output power is more than 2.4 W.
i
POWER RECEPTACLE [DC13.8V]
Accepts 13.8 V DC ±15% with the supplied DC power
cable.
☞
NOTE: DO NOT
use a cigarette lighter socket as a
power source when operating in a vehicle. The plug
may cause voltage drops and ignition noise may be su-
perimposed onto transmit or receive audio.
D
D
Speaker information
D
DATA JACK PIN ASSIGNMENT
q
DATA IN
Input terminal for data transmit. See p. 62 for details on
how to toggle data speed between 1200 (AFSK) and
9600 bps (G3RUH, GMSK).
w
GND
Common ground for DATA IN, DATA OUT and AF OUT.
e
PTT P
PTT terminal for packet operation only. Connect ground to
transmit data.
r
DATA OUT
Data out terminal for 9600 bps operation only.
t
AF OUT
Data out terminal for 1200 bps operation only.
y
P SQL
Becomes high (+5 V) when the transceiver receives a sig-
nal which opens the squelch.
• To avoid unnecessary TNC transmission, connect squelch to the
TNC to inhibit transmission when receiving signals.
• Keep audio output at a normal level, otherwise a “P SQL” signal
will not be output.
Front panel view
w
y
r
q
e
t
Connected
Left band audio
Right band audio
speaker
No external
Internal speaker (mixed audio)
speakers
[SP-1] only
External speaker (mixed audio)
[SP-2] only
Internal speaker
External speaker
2 external
External speaker via
External speaker via
speakers
[SP-1]
[SP-2]
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