Icom IC-7851 - DC OUT] Jack; EXT-SP] Jack; METER] Jack; REMOTE] Jack

20-5
20
CONNECTOR INFORMATION

[METER] jack
Connects to an external meter.
• Output impedance: 4.7 kΩ
• Output voltage can be adjusted to 5 V maximum
You can adjust the output voltage with the “External
Meter Level (M)” for the Main band and “External me-
ter Level (S)” item for the Sub band in the ACC set
mode.
(SET [F-7] > ACC [F-2])

[EXT-SP] jack
Connects an external speaker.
• Output impedance: 4 ~ 8 Ω
• Output level: More than 2.6 W at 10%
distortion with an 8 Ω load.

[S/P DIF] jack
Inputs/Outputs digital audio signal through an optic fi-
ber cable for transmit modulation or AF output.
• Sampling rate: 48 kHz/24 bit (Stereo output)
• L side: Output of the Main band
• R side: Output of the Sub band

[RX-I/O] connector
Connects an external preamp or low pass filter etc. for
your operation needs. RX ANT IN/OUT must be acti-
vated in the ANT screen.

[REMOTE] jack
Used for computer control and transceive
operation. The optional CT-17 is required
when connecting a PC to [REMOTE].

[DC OUT] jack
Outputs regulated 15 V DC.
• Output voltage: Approximately 15 V with no load
Approximately 14 V with a load
• Current capacity: Maximum 1 A
+ _
+ _
PC
ct- 17
9–15 V DC
mini-plug cable
+
_
_
L
B
L
B
L
B
L
B
Receiver
Transmitter
IN
[RX ANT]
OUT
Transmit/Receive
switching circuit
ANT
FILTER
[Example]
Sub band meter Main band meter