Operation Manual

■ Accessory connector information
ACC 1 PIN No. NAME DESCRIPTION SPECIFICATIONS
1
2
3
4
5
6
7
8
1 RTTY Controls RTTY keying
“High” level
“Low” level
Output current
: More than 2.4 V
: Less than 0.6 V
: Less than 2 mA
2 GND Connects to ground. Connected
in parallel with ACC 2 pin 2.
3
SEND
Input/output pin.
Goes to ground when transmitting.
When grounded, transmits.
Ground level
Output current
Input current (Tx)
: –0.5 V to 0.8 V
: Less than 20 mA
: Less than 200 mA
Connected
in parallel with ACC 2 pin 3.
4 MOD
Modulator
input.
Connects to a modulator
Input
impedance
Input level
: 10 k˘
:
Approx. 100 mV rms
5 AF
AF detector output.
Fix
ed, regardless of [AF] position in
default settings. (see notes below)
Output impedance
Output level
: 4.7
k˘
: 100–300 mV rms
6 SQLS
Squelch output.
Goes to ground when squelch opens.
SQL open
SQL closed
: Less than 0.3
V/5 mA
: More than 6.0
V/100 µA
7 13.8 V 13.8
V output when power is ON.
Output current : Max. 1 A
Connected
in parallel with ACC 2 pin 7.
8 ALC ALC v
oltage input.
Control voltage
Input
impedance
: –4 V to 0 V
: More than 10
k˘
Connected in parallel with ACC 2 pin 5.
ACC 2 PIN No. NAME DESCRIPTION SPECIFICATIONS
1
2
3
4
5
6
7
1 8 V Regulated 8 V output.
Output voltage
Output current
: 8.0
V ±0.3 V
: Less than 10
mA
2 GND Same as A
CC 1 pin 2.
3
SEND Same as ACC 1 pin 3.
4 BAND
Band voltage output.
(V
aries with amateur band)
Output voltage : 0 to 8.0
V
5 ALC Same as A
CC 1 pin 8.
6 TRV
A
ctivates [X-VERTER] input/output
when “HIGH” voltage is applied.
Input impedance
Input voltage
: More than 10
k˘
: 2 to 13.8
V
7 13.8
V Same as ACC 1 pin 7.
NOTE: If the CW sidetone level limit or beep level
limit is in use, the CW sidetone or beep tone de-
creases from the fixed level when the [AF] control
is rotated above a specified level. (p. 123)
24
2
INSTALLATION AND CONNECTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21