Icom IC-7800 - Page 370

3 - 26
7 TN1D
Outputs [TUNER] LED control signal.
Low : While tuning.
8 TN2D
Outputs [TUNER] LED control signal.
Low : While the antenna is tuned.
9 VOXD
Outputs [VOX/BKIN] LED control sig-
nal.
Low : While using the VOX/break-in
function.
10 MAGD
Outputs [AGC VR] LED for main band
control signal.
Low : When setting the AGC with
[AGC] control for main band.
11 MNRD
Outputs [NR] LED control signal.
Low : When the noise reduction is
used in main band..
12 MNBD
Outputs [NB] LED control signal.
Low : When the noise blanker is
used in main band.
13 SAGD
Outputs [AGC VR] LED control signal.
Low : When setting the AGC with
[AGC] control for sub band.
14 SNRD
Outputs [NR] LED control signal.
Low : When the noise reduction is
used in sub band.
15 SNBD
Outputs [NB] LED control signal.
Low : When the noise blanker is
used in sub band.
16 CFBD
Outputs CF memory card accessing
indicator control signal.
Low : When the transceiver read-
ing/writing data from/to the
CF memory card.
17 STBD
Outputs [POWER] LED control signal.
Low : While the main power is ON
and the transceiver’s power
is OFF.
Pin Port
Description
number name
3-7-34 SERIAL/PARAMETER IC
(DISPLAY BOARD; IC7)
3-7-35 EXPANDER IC (DISPLAY BOARD; IC1)
1 MAGL
Input port for [AGC] control signal for
main band.
2 SAGL
Input port for [AGC] control signal for
sub band.
4 SSQL
Input port for [SQL] control signal for
sub band.
5 MSQL
Input port for [SQL] control signal for
main band.
12 DELL Input port for [DELAY] control signal.
13 MICL Input port for [MIC] control signal.
14 PWRL Input port for [RF] control signal.
15 KYSL
Input port for [KEY SPEED] control
signal.
Pin Port
Description
number name
3-7-36 EXPANDER IC (DISPLAY BOARD; IC2)
1 MAFL
Input port for [AF] control for main
band signal.
2 SAFL
Input port for [AF] control for sub band
signal.
4 SRFL
Input port for [RF] control for sub band
signal.
5 MRFL
Input port for [RF] control for main
band signal.
12 SNBL
Input port for [NB] control for sub band
signal.
13 MNRL
Input port for [NR] control for main
band signal.
14 MNBL
Input port for [NB] control for main
band signal.
15 SNRL
Input port for [NR] control for sub band
signal.
Pin Port
Description
number name
3-7-37 EXPANDER IC (DISPLAY BOARD; IC3)
1 AVXL
Input port for [ANTI VOX] control sig-
nal.
2 BRIL Input port for [BRIGHT] control signal.
4 MDGL
Input port for [DIGISEL] control for
main band signal.
5 CNTL
Input port for [CONTRAST] control
signal.
12 VOXL
Input port for [VOX GAIN] control sig-
nal.
13 MONL
Input port for [MONI GAIN] control sig-
nal.
14 CMPL Input port for [COMP] control signal.
15 DRVL Input port for [DRIVE] control signal.
Pin Port
Description
number name