Seiwa SW RP07 - Manual (Page 3)

Transducers: Transom and thru-hull speed/temperature transducers available separately.
Display: 4 digit LCD, 5 levels of backlighting.
NMEA 0183 sentences:
Water temperature: $VWMTW,xx.x,C*CS
Total/Trip Logs: $VWVLW,xxxx,N,yyy.y,N*CS
Speed (Knots/km/h): $VWVHW,,,,,xx.x,N,yyy.y,K*CS
CS=Check Sum
Installation
Before starting the installation, please read this entire section first. Finger tighten the screws that
mount the instrument bracket - It is not necessary or recommended to use tools.

Drill a 2-1/8" (55mm) mounting hole where you desire to
mount the instrument (Figure 1).

Connect the various wires from Cable 1 and Cable 2 as
shown in Figures 2 and Figure 3.

Carefully check all your wiring against figures 2 and 3 and then mount the instrument in
the hole. Use only finger tension to tighten the bracket hold-down nuts