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2-1
SECTION 2
CONNECTOR INFORMATION
1
2
3
4
5
6
7
8
Front panel view
PIN
No.
NAME
DESCRIPTION
SPECIFICATIONS
1
8 V
+8 V DC output
Maximum 10 mA
2
MIC U/D
Frequency Up/Down
UP: Ground
DN: Ground
through 470
˘
3
M8V SW
Grounds when
the HM-207S is
connected
—
4
PTT
PTT input
Ground for
transmission
5
MIC E
Microphone ground
—
6
MIC
Microphone input
—
7
GND
PTT ground
—
8
DATA IN
When the HM-207S
is connected, inputs
HM-207S data
—
•
Microphone connector information