Raymarine AUTOHELM ST50 PLUS DEPTH User Manual

10 ‘,
+ /
ST50 plus Depth Operation and lnstallatin Handbook
Chapter 2: Transducer Installation
For accurate depth readings the transducer should be sited within the
shaded clear flow areas.
1 Sail 2 Plmningfxnw 3 Displacementpower
The transducer should also:
 be ahead of the propeilers (loo/o W.L. length minimum)
 be at least 150mm (6in) away from the keel (ideally ahead of the keel if a
sailing yacht)
 be as near as possible the centreline of the vessel
 be clear of other throughhull fttings or projections
 have sufficient clearance inside the hull to fit the nut
Cabling
1. Run the cable back to the control head.
Note:
Avoid fluorescent lights, engines, radio transmitting equipment etc. as these
may cause interference. Also, keep the transducer cable clear of the bilge
and secure at regular intervals.
2. Fit the transducer and instrument cable connectors together. To lock
the connectors, push and rotate the ring on the transducer cable
connector towards the control head connector.
I .
 have 1OOmm (4it-r) of headroom to allow for withdrawal
 within l@of the vertical, forward, aft and athwart shiis.

Raymarine AUTOHELM ST50 PLUS DEPTH Specifications

Power

power supply	10 to 16 V
power consumption	100 mA
illumination levels	3 levels plus off

Operating Environment

temperature range	0 to 70 °C
shallow alarm	10 to 400 feet (3 to 120 metres)
deep alarm	0 to 600 feet (0 to 180 metres)

Weight and Dimensions

dimensions	110x110 mm (4.33x4.33 in)
depth	0 to 600 feet (0 to 180 metres)
minimum depth	3 to 33 feet (1 to 10 metres)