D Rear Panel-2 - Icom IC-7800 Instruction Manual

2
INSTALLATION AND CONNECTIONS
D Rear panel— 2
External Display
EXT-DISPLAY
Ethernet connector (p. 16-6)
[S/P DIF IN/OUT]
Connects a PC-style
monitor display (at least
800×600 resolution).
Video output signal can
be turned ON or OFF
in Display set mode.
(p. 12-12)
ANT 1 ANT 2
KEY BOARD RS-232C REMOTE OUT
Connects a PC
for remote control
through a LAN or
the Internet using
the RS-BA1, or
for updating the
CPU firmware.
Connects a PC for
audio signal data
input/output.
48 kHz, 16-bit
Stereo output
(L=Main band;
R=Sub band)
Keyboard
Connects a USB device that is a
keyboard, mouse, hub or memory
(USB flash drive).
Only USB (Universal Serial Bus)
type is supported.
ANT 3 ANT 4
REF I/O DC OUT
S/P DIF
EXT
10MHz 15V
IN -10dBm MAX1A METER KEYPAD KEY RELAY
[METER]
Connects an external meter, etc.
MAIN band meter
SUB band meter
1
3.5 (d) mm; ⁄ plug
8
External keypad
Connects an external keypad for direct voice memory,
memory keyer, PSK memory and RTTY memory contents
transmission.
1
3.5 (d) mm; ⁄ plug
8
Mute switch: Mutes both transmission and
reception when switched ON during transceive
operation, etc.
�For your information:
An external keypad can also be connected to the micro-
phone connector on the front panel. See page 2-10 for
details.
2-6
[DC OUT]
Outputs
regulated
(approximately.)
DC for external
equipment power
supply. (maximum
1 A capacity)
OUT IN X-VERTER OUT
RX ANT
B
I
AC
GND
B A
ALC
ALC ADJ ACC 2 ACC 1 ACC 2 ACC 1
Output impedance : 4.7 kΩ
Output voltage
(open circuit)
*default value; Output voltage
can be adjusted 0 to 5 V in
ACC set mode (p. 12-10)
EXTERNAL KEYPAD
1.5 kΩ 1.5 kΩ 2.2 kΩ 4.7 kΩ
±5% ±5% ±5% ±5%
S1 S2 S3
(T1/M1/ (T2/M2/ (T3/M3/
PT1/RT1) PT2/RT2) PT3/RT3)
14 V
IN
RX ANT
A
EXT-SP
SUB MAIN
: 2.5 V*
S4
(T4/M4/
PT4/RT4)