Ethernet Connector (LAN)
Other Outstanding Features
[Antenna]
• BNC type RX input/output connectors for
receiver antennas or external attenuators
[Receiver]
• General coverage receiver covers from 30Hz to
60MHz*
(* Some frequency ranges are not guaranteed.)
• Two types of preamplifiers:
Preamp 1: improves intermodulation characteristics
Preamp 2: High gain preamp for high bands
•
A seven step attenuator
(3, 6, 9, 12, 18, 21dB and OFF)
•
A dedicated 50MHz band mixer using a Quad FET
• Twin peak filters for better RTTY signal reception
[Transmitter]
• Speech compressor increases average talk
power (SSB mode)
• TX monitor functions
• Fifty sub-audible tones (CTCSS) for repeater
access
• VOX (Voice operated transmission) capability
• All mode power control
Base station
[CW]
• DSP controlled CW keying waveform shaping
• Multi-function electronic keyer with adjustable
keying speed, dot/dash ratio, keyer type, rise time
and paddle polarity
• Electronic keyer speed popup
• CW pitch control from 300 to 900Hz (5Hz pitch)
• CW reverse mode operation for receiving USB side
signal
• Double key jacks for front and rear panels
• Full break-in and semi break-in functions
• CW/AM auto tuning function helps to zero in on
intended signals within ±500Hz range
• Soft and sharp audio filter shapes for the Audio
Peak Filter (APF)
[Operation]
•
Set mode functions for flexible and speedy settings
• Memo pads stores up to 10 operating frequencies
and modes
• Quick split function and split lock functions
• Quick Dualwatch function
• SSB/CW synchronous tuning
• RIT and
∂
TX variable up to 9.999kHz
• UTC/Local clock and timer function
• 1Hz pitch tuning and display
•
101 memory channels with 10-character channel name
• Built-in voice synthesizer announces the operat-
ing frequency, mode, and S-meter level
• Programmed scan, memory scan, select
memory scan, VSC scan and
∂
f scan
• Auto tuning step function
• Dial lock function
• Main dial tension control
• Programmable band edge beeps
• S/P DIF input/output connectors
• BNC type transverter connector
•
External speaker connectors for Main/Sub receivers
• FFT scope waveform averaging function for
PSK and RTTY decoder
• Screen saver function
Main Switch
AC Power Cord
Receptacle
S/P DIF In/
Out Jacks
USB Connector (Type-A)
External Display
Connector (DVI-I)
Breaker Switch
Ground Terminal
ALC Level Pot
Antenna Connectors
Reference Frequency
In/Out Jack
Receive Antenna
Connectors B
Transverter Jack
Receive Antenna
Connectors A
CI-V Remote Control Jack
S-meter
Output
Jack
External Keypad Jack
Key
Jack
ALC Input
Jack
TX/RX
Control Jack
(Relay)
ACC Socket B ACC Socket A
USB Connector
(Type-B)
External DC
Output Jack
External Speaker
Jacks
• Most functions of your transceiver, including interference rejection func-
tions and IF filter settings, can be controlled. Also, received signal strength
and SWR can be observed on the computer display.
• Received voice recording function.
• Optional RC-28 USB remote encoder provides a hardware dial/transmit func-
tions for a realistic dial operation.
•
The IC-7851 can wake-up from the standby mode through the RS-BA1 software.
IP Network
PC (Remote station)
Windows
®
PC
Remote base operation is made easy as the IC-7851 operating system
incorporates the remote base server software. A computer is not required in
the shack for audio or rig control. Up to three, unique user log-in/password
configurations are part of the internal server. As the rig control has a priority of
service, the controls will feel like you are right in front of your rig.
Simplified Remote Control (Optional RS-BA1)
Optional RS-BA1 main features
6
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