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3-1
SECTION 3
INTERFACE INFORMATION
●
FRONT panel
[PHONES]
• 6.35 mm (¼ in) (d)
[ELEC-KEY]
• 6.35 mm (¼ in) (d)
[MIC]
[PHONES]
Main band audio
Sub band audio
GND
6.35 (d) mm (¼ in)
• Output impedance:
8~16 Ω
• Output level:
More than 5 mW into an 8 Ω
load.
[ELEC-KEY]
6.35 (d) mm (¼ in)
Dot
Com
Dash
[MIC]
q
Microphone input
w
+8 V DC output
e
Frequency up/down
r
Squelch line output
t
PTT
y
GND (PTT ground)
i
AF output
u
GND
(Microphone ground)
PIN No.
DESCRIPTION
q
Microphone input
NOTE:
An 8 V DC bias voltage is applied for
Icom microphones. The DC power can
be turned OFF when you use non-Icom
microphones in the “MIC Input DC Bias”
item on the CONNECTORS screen.
w
+8 V DC output (Maximum 10 mA)
e
Frequency up/down
External keypad* input
r
Grounded when squelch opens.
t
PTT
y
PTT/External keypad* ground
u
Microphone ground
i
AF output (varies with the AF control.)
*External keypad
PIN
e
PIN
y
1.5 kΩ
±5%
1.5 kΩ
±5%
2.2 kΩ
±5%
4.7 kΩ
±5%
S1
S2
S3
S4
1
2
3 4 5
6
7
8
MIC
External keypad
Front panel
view
[MIC]
connector