HC-1500AT
25
CONT
Circuitry
Explanation
1
2
3
4
5
6
7
8
+5VOUT
GND
EVENT
FREQ
1
2
3
4
5
6
7
8
CONT is for Tokyo Hy-Power’s tuner
connection interface.
EVENT pin handles an inquiry signal.
When EVENT is LOW, frequency information
is returned at FREQ pin.
Frequency information is a rectangular
waveform of one thousandth of actual
frequency.
TTL Level:
Low, Active
Connection:
DIN 7 pin
YAESU
Circuitry
Explanation
GND
DATA A
DATA B
DATA C
DATA D
For YAESU’ BAND DATA connection.
Data pins (A – D) are pulled up to + 5V through
10 K
Ω
.
Connector is DIN 8 pin, and compatible with FT-
1000 MP, FT-2000D, FTDX-9000 and so forth.
DC IN
Circuitry
Explanation
+12V
GND
Input jack of DC power.
Center positive and, 12V (11 – 14V), 1.5A
required.
Remarks
+
White lead of included DC
cord is for positive.
16-2. Explanation of Connectors
