Icom IC-7300 Instruction Manual basic - Page 18

Rear panel connection

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2 INSTALLATION AND CONNECTIONS Rear panel connection [DC 13.8 V] DC power supply (p. 12-3) Use the optional PS-126 or a power supply with 13.8 V DC output and a current capacity of at least 21 A. PS-126 (option) [ALC]/[SEND] jack Connect with an RCA plug [ALC] jack connects to the ALC output jack of a non-Icom linear amplifier. [SEND] jack is used to control an external non-Icom linear amplifier. [KEY] (CW key) jack (p. 12-3) Paddle Straight key (6.35 mm: 1/4 in (d)) You can use a straight or bug key when the internal electronic keyer is OFF. [GND] (Ground) Grounding prevents electrical shock, TVI and other problems. [ANT] (antenna) connector Connect a 50 Ω antenna for the HF, 50/70 MHz frequency bands. [TUNER] control socket (p. 2-3) Connect the control cable from an optional AH-4 or AH-740 (Automatic antenna tuner). The AH-2b is connected to the AH-4. AH-4 (Option) AH-740 (Option) AH-2b (Option) [EXT-SP] (External speaker) jack (p. 12-3) (3.5 mm: 1/8 in (d)) SP-34 (Option) Impedance: 4~8 Ω Audio level: More than 2.5 W at 10% distortion into an 8 Ω load [REMOTE] jack (p. 12-3) (3.5 mm: 1/8 in (d)) Remotely controls the transceiver, using the optional RS-BA1, or CI-V commands. [USB] port ••Remotely controls the transceiver using CI-V commands. ••Sends the received audio to the PC ••Inputs modulation ••Sends the decoded RTTY outputs to the PC. • Remote control operation using the optional RS-BA1. (Icom does not guarantee the performance of the PC, network device or network settings) [ACC] (accessory) socket (p. 12-1) Connects control lines for external devices such as a TNC or a PC. Refer to the external device's instruction manual for connection. 2-2

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2
INSTALLATION AND CONNECTIONS
2-2
Rear panel connection
[DC 13.8 V] DC power supply
(p. 12-3)
Use the optional
PS-126 or a power
supply with 13.8 V DC
output and a current
capacity of at least
21 A.
[KEY] (CW key) jack
(p. 12-3)
(6.35 mm: 1/4 in (d))
You can use a straight or bug key when
the internal electronic keyer is OFF.
[GND] (Ground)
Grounding prevents
electrical shock, TVI
and other problems.
[ANT] (antenna) connector
Connect a 50 Ω antenna for the HF, 50/70 MHz
frequency bands.
[REMOTE] jack
(p. 12-3)
(3.5 mm: 1/8 in (d))
Remotely controls the
transceiver, using the
optional RS-BA1, or
CI-V commands.
[TUNER] control socket
(p. 2-3)
Connect the control cable
from an optional AH-4 or
AH-740 (Automatic antenna
tuner).
The AH-2b is connected to
the AH-4.
AH-4
(Option)
AH-2b
(Option)
[EXT-SP]
(External speaker) jack
(p. 12-3) (3.5 mm: 1/8 in (d))
SP-34
(Option)
Impedance: 4~8 Ω
Audio level: More than
2.5 W at 10% distortion
into an 8 Ω load
[ALC]/[SEND] jack
Connect with an RCA plug
[ALC] jack connects to the ALC
output jack of a non-Icom linear
amplifier.
[SEND] jack is used to control
an external non-Icom linear
amplifier.
[USB] port
• Remotely controls the transceiver using
CI-V commands.
• Sends the received audio to the PC
• Inputs modulation
• Sends the decoded RTTY outputs to the PC.
• Remote control operation using the optional
RS-BA1.
(Icom does not guarantee the performance of the
PC, network device or network settings)
[ACC] (accessory) socket
(p. 12-1)
Connects control lines for external devices
such as a TNC or a PC.
Refer to the external device’s instruction
manual for connection.
Paddle
Straight key
PS-126 (option)
AH-740
(Option)