35
5. Reinstall the control panel and screws.
The sample data message sent on the RS232 interface is as follows:
with plug P12 in the right-hand position:
@46308 4149.5645,N,07102.7125,W<OD><OA>
Gamma reading (space) LORAN C/GPS coordinate, carriage return, line feed
with plug P12 in the left-hand position or without a LORAN C or GPS connected:
@46308 <OD><OA>
Gamma reading, carriage return, line feed
The message repeats once for each cycle of the magnetometer.
The RS232 interface uses two wires and is wired to the modified three pin DIN connector (CENTER PIN
CUTOFF) on the PROTON 4 as follows:
PIN 1 = White
PIN 3 = Black
(2,4 &5 Not used)
pin 2
pin 5
White
Black
Note: connect shield to
black wire at both ends
(+)
(-)
3
Enlarged front view of
cut off modified 3 pin
connector
3 pin DIN
Connector
in Proton 4
Control Box
5 pin socket
1
2
3
4
5
To 5 pin conn.
in control box.
1
2
5
2
END VIEW
RS232 Interface
9 pin "D" female
connector
RS232
