SPEED 3100 log Installation and Operation Manual
NAVMAN
4
The SPEED 3100 measures and displays boat speed
and water temperature. It can calculate and display
average speed, maximum speed, trim speed, trip log
(distance) and total log.
An installed SPEED 3100 usually has two parts:
The display unit.
A speed / temperature transducer which is
attached to the hull and wired to the display unit.
The unit is powered from the boat’s power supply.
The SPEED 3100 is part of the NAVMAN family of
instruments for boats, which includes instruments
for speed, depth, wind and repeaters. These
instruments can be connected together to form an
integrated data system for a boat (see section 7).
For maximum benefit, please read this manual
carefully before installation and use.
How the transducer measures speed
The speed transducer has a small paddlewheel
which spins as the boat moves through the water.
The transducer measures how fast the paddlewheel
is spinning and calculates the boat speed by
averaging several measurements.
Cleaning and maintenance
Clean the display unit and the plastic transducer with
a damp cloth or mild detergent. Avoid abrasive
cleaners, petrol or other solvents.
When repainting the hull, cover or remove any visible
transducer. Do not use a high pressure water blast
on the speed transducer paddlewheel as it may
damage the bearings.
1 Introduction
Display
(backlit)
Four keys
(backlit)
Display showing
boat speed
The SPEED 3100 display unit
Speed units
111 x 111 mm
(4.4" x 4.4")
Important
It is the owner’s sole responsibility to install and use the instrument and transducer/s in a manner that will
not cause accidents, personal injury or property damage. The user of this product is solely responsible for
observing safe boating practices.
NAVMAN NZ LIMITED DISCLAIMS ALL LIABILITY FOR ANY USE OF THIS PRODUCT IN A WAY THAT
MAY CAUSE ACCIDENTS, DAMAGE OR THAT MAY VIOLATE THE LAW.
This manual represents the SPEED 3100 as at the time of printing. Navman NZ Limited reserves the right
to make changes to specifications without notice.
Governing Language: This statement, any instruction manuals, user guides and other information relating
to the product (Documentation) may be translated to, or has been translated from, another language
(Translation). In the event of any conflict between any Translation of the Documentation, the English
language version of the Documentation will be the official version of the Documentation.
Copyright © 2002 Navman NZ Limited, New Zealand. All rights reserved. NAVMAN is a registered trademark
of Navman NZ Limited.
