REPEATER DISPLAY

Speed and Distance Repeater

Dual-channel display showing speed-through-water and distance run — VTG / VHW input from any NMEA speed log.

✓Speed (kn) + distance (nm)✓VTG / VHW sentences✓Trip reset function✓12/24 VDC

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Technical specification

Model	SPD-40
Product Type	Marine Navigation Display Unit
Input Voltage	6–36 VDC
Power Consumption	2–4 W
Serial Inputs	1 × RS-232, 1 × RS-422
Data Format	NMEA 0183
Supported Sentences	VHW · VBW · STW · SOG · COG · LAT/LON · UTC Time
Speed Resolution	0.1 Knots
Data Logging	Front Panel USB Port (Optional)
Reverse Polarity Protection	Supported
Port Isolation	Optically and Electrically Isolated

Also in this family

Large-digit bridge display repeating depth data from any IEC 61162 (NMEA 0183) echo sounder output.

3½-digit heading display repeating HDT / HDM sentences — 0.1° resolution for precise course monitoring at any bridge position.

Rate-of-turn repeater display — analogue-style needle and digital readout for helm and conning positions.