User's Manual

•
AACCCC SSOOCCKKEETT
•
WWhheenn ccoonnnneeccttiinngg tthhee AACCCC ccoonnvveerrssiioonn ccaabbllee ((OOPPCC--559999))
6
1
PANEL DESCRIPTION
!3
BBEEEEPP//SSIIDDEETTOONNEE CCOONNTTRROOLL [[BBEEEEPP//SSIIDDEETTOONNEE]]
Adjusts the beep tone and CW side tone audio lev-
els.
TECHNICAL INFORMATION
AACCCC PPIINN ## NNAAMMEE DDEESSCCRRIIPPTTIIOONN SSPPEECCIIFFIICCAATTIIOONNSS CCOOLLOORR
1 8 V Regulated 8 V output.
Output voltage : 8 V ±0.3 V
Output current : Less than 10 mA
brown
2 GND Connects to ground. red
3 HSEND
Input/output pin (HF/50 MHz).
Goes to ground when transmitting.
When grounded, transmits (connected to 8V
line thru 2.2 kΩ resistance/144 MHz operation)
.
Ground level : –0.5 V to 0.8 V
Input current : Less than 20 mA
(HF/50 MHz bands)
orange
4 BDT Data line for the optional AT-180. yellow
5 BAND
Band voltage output.
(Varies with amateur band)
Output voltage : 0 to 8.0 V green
6 ALC ALC voltage input.
Control voltage : –4 to 0 V
Input impedance : More than 10 kΩ
blue
7 VSEND
Input/output pin (144 MHz).
Goes to ground when transmitting.
When grounded, transmits (connected to 8V
line thru 2.2 kΩ resistance/HF•50 MHz operation)
.
Ground level : –0.5 V to 0.8 V
Input current : Less than 20 mA
(144 MHz band)
purple
8 13.8 V 13.8 V output when power is ON. Output current :Max. 1 A gray
9 TKEY Key line for the AT-180. white
10 FSKK
RTTY keying input.
Connected in parallel to the [RTTY] jack.
Ground level : –0.5 to 0.8 V
Input current : Less than 10 mA
black
11 MOD Modulator input.
Input impedance : 10 kΩ
Input level : Approx. 100 mV
rms
pink
12 AF
AF detector output.
Fixed, regardless of [AF] position.
Output impedance : 4.7 kΩ
Output level : 100 to 350 mV rms
light
blue
13 SQLS
Squelch output.
Goes to ground when squelch opens.
SQL open : Less than 0.3 V/5 mA
SQL closed : More than 6.0 V/100 µ A
light
green
Rear panel
view
1234
8765
9
10 11 12
13
Color refers to the
cable strands of the
supplied cable.
ACC 1
ACC 2
➀ FSKK ➄ AF
➁ GND ➅ SQLS
➂ HSEND ➆ 13.8 V
➃ MOD ➇ ALC
➀ 8 V ➄ ALC
➁ GND ➅ VSEND
➂ HSEND ➆ 13.8 V
➃ BAND
1
1
2
2
3
3
4
4
8
8
7
7
6
6
5
5
9
10 11 12
13
1
2
3
4
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IC-706MKIIG.qxd 02.3.27 13:53 Page 6