HD-MAX Echo Sounder User Guide
24
Pin definition
Pin
1
2
Wiring
definition
Positive
Negative
Antenna interface (ANT POS and ANT VEC)
ANT POS and ANT VEC antenna interface are used for antenna connection.
Among them, ANT POS can receive GPS signal and beacon signal
simultaneously; GPS signal is the GPS positioning signal transmitted by
satellites in the sky. Beacon signal is the differential signal transmitted from
the beach beacon station; after the system is powered on, the antenna can
search the satellite signal and the beacon signal.
VGA interface
VGA video output interface can connect video display, such as projector,
monitor etc..
After the system is defaulted as startup, VGA port has output available. You
only needs to connect to the device directly. No other setting is required.
Pin definition
Pin
1
2
3
4
5
6
7
Wiring
definition
BLUE
PCGND
SCL
NC
NC
RED
GREEN
Pin
8
Wiring
definition
SDA
Serial interface
Since HD-MAX series products have many peripheral serial data
communication equipments, more serial ports are required. The expanded
serial interface can satisfy the requirements. HD-MAX series products have
two external RS-232 serial ports (COM1 and COM2) available. Among the