Furuno FI-503 User manual

i
IMPORTANT NOTICES
General
• The operator of this equipment must read and follow the descriptions in this
manual. Wrong operation or maintenance can cancel the warranty or cause
injury.
• Do not copy any part of this manual without written permission from FURUNO.
• If this manual is lost or worn, contact your dealer about replacement.
• The contents of this manual and equipment specifications can change without
notice.
• The example screens (or illustrations) shown in this manual can be different
from the screens you see on your display. The screens you see depend on your
system configuration and equipment settings.
• Save this manual for future reference.
• Any modification of the equipment (including software) by persons not autho-
rized by FURUNO will cancel the warranty.
• All brand and product names are trademarks, registered trademarks or service
marks of their respective holders.
How to discard this product
Discard this product according to local regulations for the disposal of industrial
waste. For disposal in the USA, see the homepage of the Electronics Industries Al-
liance (http://www.eiae.org/) for the correct method of disposal.
How to discard a used battery
Some FURUNO products have a battery(ies). To see if your product has a bat-
tery(ies), see the chapter on Maintenance. Follow the instructions below if a bat-
tery(ies) is used.
In the European Union
The crossed-out trash can symbol indicates that all types of
batteries must not be discarded in standard trash, or at a
trash site. Take the used batteries to a battery collection
site according to your national legislation and the Batteries
Directive 2006/66/EU.
In the USA
The Mobius loop symbol (three chasing arrows) indicates
that Ni-Cd and lead-acid rechargeable batteries must be
recycled. Take the used batteries to a battery collection site
according to local laws.
Cd
Ni-Cd Pb

SAFETY INSTRUCTIONS
ii
WARNING
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Warning, Caution
Mandatory Action
Prohibitive Action
SAFETY INSTRUCTIONS
The operator of this equipment must read these safety instructions before attempting to
operate the equipment.
WARNING
Do not open the equipment.
Only qualified personnel should
work inside the equipment.
Do not disassemble or modify
the equipment.
Fire or electrical shock can result if
the equipment is modified.
Do not operate the equipment
with wet hands.
Electrical shock can result.
Safety instructions for the operator
Make sure no rain or water
splash leaks into the equipment.
Fire or electrical shock can result
if water leaks into the equipment.
Immediately turn off the power
at the switchboard if water leaks
into the equipment.
Continued use of the equipment
can cause fire or electrical shock.
Safety instructions for the installer
WARNING
Turn off the power at the switch-
board before beginning the
installation.
Turn off the power to prevent
electrical shock.
Make sure the installation site is
not subject to water spray.
Fire or electrical shock can result if
water leaks into the equipment.
CAUTION
Observe the following compass
safe distances to prevent interfer-
ence to the instruments:
Standard
compass
Steering
compass
0.35 m 0.30 m
FI-50 series
Instruments
Warning Label
A warning label is attached to the equipment. Do not
remove the label. If the label is missing or damaged,
contact a FURUNO agent or dealer about replacement.

iii
TABLE OF CONTENTS
FOREWORD............................................................................................... iv
SYSTEM CONFIGURATION ....................................................................... v
1. OPERATION............................................................................................ 1
1.1 Operating Controls, Display Layout...................................................................... 1
1.2 Turning the Power On/Off .................................................................................... 2
1.3 Adjusting Brilliance and Contrast ......................................................................... 2
1.4 Selecting a Display............................................................................................... 3
1.5 Selecting Apparent or True Wind Angle, Wind Speed.......................................... 6
1.6 Alarms .................................................................................................................. 7
1.7 Timers .................................................................................................................. 9
1.8 Resetting Counters and Indications ................................................................... 10
2. MAINTENANCE, TROUBLESHOOTING .............................................. 11
2.1 Preventive Maintenance..................................................................................... 11
2.2 Troubleshooting.................................................................................................. 12
3. INSTALLATION..................................................................................... 13
3.1 Equipment Lists.................................................................................................. 13
3.2 Mounting............................................................................................................. 14
3.3 Wiring ................................................................................................................. 16
3.4 Setting Up........................................................................................................... 20
SPECIFICATIONS ................................................................................. SP-1
PACKING LIST........................................................................................ A-1
OUTLINE DRAWINGS............................................................................. D-1
INTERCONNECTION DIAGRAM ............................................................ S-1

iv
FOREWORD
A Word to the Owner of the FI-503
Congratulations on your choice of the FURUNO FI-503 Digital Display, a
member of the FI-50 series of marine instruments. We are confident you
will see why the FURUNO name has become synonymous with quality
and reliability.
For over 60 years FURUNO Electric Company has enjoyed an enviable
reputation for quality marine electronics equipment. This dedication to
excellence is furthered by our extensive global network of agents and
dealers.
This equipment is designed and constructed to meet the rigorous de-
mands of the marine environment. However, no machine can perform its
intended function unless operated and maintained properly. Please care-
fully read and follow the recommended procedures for operation and
maintenance.
Thank you for considering and purchasing FURUNO equipment.
Features
The FI-503 Digital Display provides depth, speed, trip and timer informa-
tion, all on a high quality, backlit LCD. The sturdy weather-proof case is
built to stand up to even the harshest of environments.
The main features are
• Three displays in one
• Three levels of backlighting.
• Timers: Stopwatch and count-down
• Depth alarms: Shallow alarm, Deep alarm.
• Anchor alarms: Shallow alarm, Deep alarm
• Wind alarms: High apparent wind angle, Low apparent wind angle,
Max. true wind speed, Low true wind speed
• Speed indications: Max. STW, Average STW, SOG, Max. SOG, Aver-
age SOG, Wind speed, Max. true wind speed.
• Velocity Made Good (VMG).
• Log indication from 0 to 99,999 nm
• Resettable trip counter, from 0 to 999 nm

v
SYSTEM CONFIGURATION
Standalone configuration
NOTICE: Turn on the terminal resistor in the instrument when connecting
an NMEA 2000 sensor of CAN bus device. For the procedure, see the
section on setting up, in the installation chapter.
: Standard Supply
: Optional Supply
: Local Supply
12 VDC
CAN bus Device
or
NMEA 2000 Sensor
(ex. Smart Sensor)

SYSTEM CONFIGURATION
vi
CAN bus network
NOTICE: Turn on the terminal resistor in the terminator of the CAN bus
network.
FI-501*
and/or
FI-502
FI-5001
WIND
TRANSDUCER
TERMINAL BOX
(where necessary)
FI-503
DIGITAL
FI-504
MULTI
FI-505
COURSE PILOT
FI-506
RUDDER
30
: Standard Supply
: Optional Supply
: Local Supply
*FI-501 Wind Angle
FI-502 Close Hauled Wind Angle
JUNCTION BOX
FI-5002
* NMEA 2000 SENSORS
- Boat speed
- Depth
- Heading
- Navigation
- Environment
- Autopilot
- Engine
12 VDC
(not necessary if powered
by CAN bus network)
CAN bus
Device
or
NMEA 2000
SENSOR*
CAN bus
Device
or
NMEA 2000
SENSOR*
CAN bus
Device
or
NMEA 2000
SENSOR*
CAN bus
Device
or
NMEA 2000
SENSOR*
CAN bus
Device
or
NMEA 2000
SENSOR*
DISP
MODE
APP
TRUE
SELECT
CLEAR
FI-507
MULTI XL

1
1. OPERATION
The FI-503 Digital instrument provide depth, wind, boat speed and envi-
ronmental information, on three separate displays. Various navigation
alarms and distance counters are also provided.
1.1 Operating Controls, Display Layout
SELECT/CLEAR
- Select menu option.
- Select apparent or true wind.
- Silence alarm.
- Clear data.
- Reset counters and indications.
- Increment value.
LOWER
- Select data for lower display.
- Decrement value.
MIDDLE
Select data for middle display.
UPPER
-Turn on power.
- Select data for upper display.
UPPER display
(Depth and wind angle information and associated alarms)
MIDDLE display
(Boat speed and wind speed information and
associated alarms)
LOWER display
(Environmental information, timer alarms, distance
counters)

1. OPERATION
2
1.2 Turning the Power On/Off
To power the instrument, press the UPPER key. All LCD segments go
on and off and then the last-used display appears.
To power off the instrument, press the UPPER and MIDDLE keys to-
gether. The timer appears and counts down from three seconds to one
second, and then the power goes off.
Power OFF sequence
1.3 Adjusting Brilliance and Contrast
1. Press the UPPER and MIDDLE keys together. The display for adjust-
ment of brilliance appears, with current brilliance setting flashing.
2. Within seven seconds of completing step 1, press the LOWER key to
lower the brilliance, or the SELECT/CLEAR key to raise it.
3. Press the UPPER and MIDDLE keys together. The display for adjust-
ment of contrast appears, with current contrast setting flashing.
4. Within seven seconds of completing step 3, press the LOWER key to
lower the contrast, or the SELECT/CLEAR key to raise it.
5. Press the UPPER and MIDDLE keys together to save the settings
and restore normal operation.
The brilliance and contrast will be the same on all units which are syn-
chronized. (For how to synchronize instruments, see page 24.)
POWE
R
OFF
Press UPPER
and MIDDLE
keys together
3
OFF
2
OFF
1
OFF
brl=brilliance
Brilliance setting (flashing)
2
brL
CON=Contrast
Contrast setting (flashing)
3
CON

1. OPERATION
3
1.4 Selecting a Display
MIDDLE
SPD
5.2 kt SPD
10.2 kt
MAX
SPD
6.8 kt
AVG
SOG
6.2 kt
SOG
6.2 kt
MAX
SOG
6.2 kt
AVG
5.2 kt
VMG
3.8 kt
WSPD
TRU
5.8 kt
WSPD
TRU
MAX
5.1 kt
WSPD
TRU
5.1 kt
WSPD
O
BFT
MAX
LO
TRU
Boat speed
MAX
STW*
AVG
STW
SOG
*
MAX
SOG
AVG
SOG
VMG* to windward
Wind
speed
Max. true
wind speed
Max. true wind
speed alarm
Low true wind
speed alarm
Beaufort
wind speed
- Boat speed information
- Wind speed information
- Wind speed alarms
LOWER
18432 nm
LOG
50 nm
TRIP
00.0
TIMER
15:00.0
TIMER
WATER
20.2 ° c
AIR
17.4 ° c
AIR PRESS
60
%
HUMID
CHILL
2.0 ° c
DEWPOINT
13.1 ° c
15:00.0
TIMER
Log distance
Trip
distance
Count-up
timer
Count-
down
timer1
Count-
down
timer2
Water
temperature
Air
pressure
Air
temperature
Humidity
Wind
Chill
Dewpoint
- Environmental info
- Timer alarms
- Distance counters
1000
Use the UPPER, MIDDLE and LOWER keys to select the item to display in the
upper, middle and lower displays.
DPTH
5 0m
DPTH
SHALLOW
02 0m
DPTH
DEEP
15 0m
DPTH
DEEP
02 0m
DPTH
SHALLOW
01 0m
ANG
APP
15 0
°
ANG
APP
18 0
°
ANG
APP
15 0
°
Current depth
Shallow
alarm
Deep
alarm
Shallow anchor
alarm
Deep anchor alarm
Wind
angle
High apparent
wind angle
alarm
Low apparent
wind angle
alarm
- Depth information
- Depth alarms
- Wind angle info
- Wind angle alarms
- Anchor alarms
UPPER
*SOG=Speed Over Ground
STW=Speed Thru Water
VMG=Velocity Made Good
Scrolling speed and
direction can be
changed by the length
of key push.
Short push: Scroll in
forward order.
Medium push: Go
back one display.
Several beeps sound
and then previous
display appears.
Hold down: Rapid
scrolling, in forward
direction. Several
beeps sound and then
speed is changed.
Scrolling speed and
scrolling direction