A SERVICE OF

logo

3-3
Table 3-2 External signal output connector (SPU Board)
Signal Name
Remote display
Buzzer signal
Radar signal
(serial data)
Conn. Name
EXT-HD
EXT ALARM
NAV OUT
Conn. No.
J204
J211
J202
Conn. Type
NH, 8 pin
NH, 3 pin
NH, 5 pin
Connectable Equip.
FMD-811, FMD-8010
(Note 1)
OP03-21-3
Speaker w/amp
To GPS, navigator
Remarks
Heading, bearing
video, true trigger
Buzzer drive signal
Signal for speaker
NMEA0183
$ RATLL
$ RARSD
Note 1: Display unit of FR-1500 MARK-2 series, FR-7041, FR-7111 may also be used as
a remote display.
3.3 Connection of External Buzzer
An external speaker or buzzer can be connected to this radar via an amplifier circuit (local
supply), as shown in the figure below. Because connector J211 is used for the internal
speaker unplug it and connect the connector from the external speaker to J211. Ground
the amplifier to nearby connector’s ground terminal.
> 1 >
> 2 >
> 3 >
> 4 >
R249
10K
R228
220
C131
10
16v
2SC39389R
+12V
+5V
-12V
J212
Piezo-electric buzzer
OP03-21 (option)
Figure 3-3 Connection of external buzzer