Beep/Sidetone Control; Technical Information; Acc Socket - Icom IC-706MKIIG Instruction Manual

!3
Adjusts the beep tone and CW side tone audio lev-
els.

TECHNICAL INFORMATION

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2
3
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13
9 10 11 12
5 6 7 8
7
1 2 3 4
Rear panel
8
view
9
10
11
12
13
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13
9 10 11 12
5 6 7 8
1 2 3 4
8 V Regulated 8 V output.
GND Connects to ground.
Input/output pin (HF/50 MHz).
Goes to ground when transmitting.
HSEND
When grounded, transmits
line thru 2.2 kΩ resistance/144 MHz operation)
BDT Data line for the optional AT-180.
Band voltage output.
BAND
(Varies with amateur band)
ALC ALC voltage input.
Input/output pin (144 MHz).
Goes to ground when transmitting.
VSEND
When grounded, transmits
line thru 2.2 kΩ resistance/HF•50 MHz operation)
13.8 V 13.8 V output when power is ON.
TKEY Key line for the AT-180.
RTTY keying input.
FSKK
Connected in parallel to the [RTTY] jack.
MOD Modulator input.
AF detector output.
AF
Fixed, regardless of [AF] position.
Squelch output.
SQLS
Goes to ground when squelch opens.
➀
FSKK
2
5
4 ➁
GND
3
1
➂
HSEND
8
6 7
➃
MOD
ACC 1
➀
8 V
2
5
4
➁
GND
3
1
➂
HSEND
6 7
➃
BAND
ACC 2
Output voltage
Output current
Ground level
Input current
(connected to 8V
(HF/50 MHz bands)
.
Output voltage
Control voltage
Input impedance
Ground level
Input current
(connected to 8V
(144 MHz band)
.
Output current
Ground level
Input current
Input impedance
Input level
rms
Output impedance
Output level
SQL open :Less than 0.3 V/5 mA
SQL closed :More than 6.0 V/100 µA
➄
AF
➅
SQLS
➆
13.8 V
➇
ALC
➄
ALC
➅
VSEND
➆
13.8 V
PANEL DESCRIPTION
:8 V ±0.3 V
brown
:Less than 10 mA
red
:–0.5 V to 0.8 V
:Less than 20 mA orange
yellow
:0 to 8.0 V green
:–4 to 0 V
blue
:More than 10 kΩ
:–0.5 V to 0.8 V
:Less than 20 mA purple
:Max. 1 A gray
white
:–0.5 to 0.8 V
black
:Less than 10 mA
:10 kΩ
:Approx. 100 mV pink
:4.7 kΩ light
:100 to 350 mV rms blue
light
green
Color refers to the
cable strands of the
supplied cable.
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