Note: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a normal installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna
Increase the separation between the equipment and receiver
Connect the equipment into an output on a circuit different from that to which the
receiver is connected
Consult the dealer or an experienced technician for help
A shielded cable must be used when connecting a peripheral to the serial ports.
9-3 Resetting to factory defaults ...................................................................................... 14
Appendix A - S pecifications ............................................................................ 14
Appendix B - Troubleshooting ........................................................................ 15
Appendix C - How to contact us ..................................................................... 55
Units
The factory default units are °C, knots and nautical miles. To change these units, please refer to section 2-3 of
this manual.
NAVMAN
SPEED 3100 log Installation and Operation Manual
3
1 Introduction
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.
The SPEED 3100 display unit
Display
(backlit)
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.
Display showing
boat speed
Speed units
Four keys
(backlit)
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 W A Y THA T
MAY CAUSE ACCIDENTS, DAMAGE OR THA T 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.
Turn the unit on and off with the auxiliary power switch
on the boat. The unit does not have its own power
switch. When you turn it off, any settings you have
made are retained.
If the word SIMULATE flashes at the top, left of the display ,
then the unit is in simulate mode (see section 2-4).
2-2 Basic operation
The keys
The unit has four keys, labelled and .
In this manual:
Press means to push the key for less than one
second
Hold for two seconds means to hold the key
down for two seconds or more
Press one key + another key means to push
both keys together.
Set backlight for screen and keys
You can set the backlight to one of four brightness
levels or off. Press
backlight level, press
Change the item displayed
The display shows one item at a time. To change
what is displayed, press
The choices are:
Speed.
Avg speed.
Max speed.
Trim speed.
Temperature.
Trip log (distance).
Total log (distance).
Battery voltage.
To use the timer, press
once to display the current
again to change the level:
Backlight
level 2
or one or more times.
(see section 6).
2-3 Change units
To change the speed and log units, press or
until SPEED is displayed, then hold until
the units change; if necessary, hold again
until the units change again.
To change the temperature units, press or
until the temperature is displayed, then hold
until the units change.
2-4 Simulate mode
Simulate mode allows you to become familiar with
the unit off the water. In Simulate mode, the SPEED
3100 functions normally except that the transducer
is ignored and the unit generates this data internally.
The word SIMULATE flashes at the top, left corner
of the screen.
To turn Simulate mode on or off:
1 Turn the power off.
2 Hold down
while you turn the power on.
NAVMAN
SPEED 3100 log Installation and Operation Manual
5
2-5 Key reference
Countdown timer
Turn power on
Hold
Hold
+
5 sec
Normal operation
+
+
Hold
or
2 sec
Turn Simulate
on or off
Reset memory
Change display (Speed, Avg
speed, Max speed, Trim speed,
Temperature, Log, Total log,
Battery voltage)
Adjust backlight
(4 levels or off)
Reset value to zero
(Avg speed, Max speed, Trim
speed, Log, Total log (hold for
5 sec) )
Change units
(e.g. knots, °C)
+
Mode
is SEn
Mode
is GPS
When countdown
timer is stopped
When countdown
timer is running
Return to normal
operation
Setup
Set Speed
Damping
+
Set T emperature
Calibration
+
Set Speed Mode
Sen(sor) or GPS
Set Speed Calibration by Speed
+
Set Speed Calibration by Log
+
Set Speed
Display
+
Set Backlight
Group
+
+
Change start
time
Start countdown timer
Stop & reset
countdown
timer
Increase
value or
change
setting
Decrease
value or
change
setting
Return to
normal
operation
6
NAVMAN
SPEED 3100 log Installation and Operation Manual
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