Bell F20 User Manual
Installation
Sensor
or
Magnet
5mm
Sensor
Magnet
Sensor
Top View
Bicycle fork
Sensor
or
Magnet
5mm
Sensor
Magnet
Sensor
Top View
Bicycle fork
Sensor
or
Magnet
5mm
Sensor
Magnet
Sensor
Top View
Bicycle fork
5mm
Sensor
Magnet
Sensor
Top View
Bicycle fork
BATTERY Make sure to write down the Odometer value
before changing the battery so you can later re-enter it in
the odometer. Install the new battery with the positive (+)
pole facing outward (Figure 1). After changing the battery
all settings are erased.
Clamp the magnet to a spoke on the right side of the front
wheel (Figure 2). Make sure that the magnet is facing the
outside of the wheel so that the flat side of the magnet
passes in front of the sensor.
Attach the speedometer sensor to the right fork leg using
the two cable ties provided. Make sure the metal side of
the sensor is facing the wheel. Do not fully secure the
cable ties yet, as the sensor location might require further
adjustments (Figure 3).
Adjust the sensor and magnet location so that clearance
between the two is no greater than 1/5" (5mm) (Figure
4). Magnet should pass by the tip of the sensor.
Remove the adhesive tape shield on the back of the
bracket and position the bracket on the handlebar of the
bicycle. Fasten the O-ring around the top edge of the
bracket and wrap around the underside of the handlebar
and attach to the bottom edge of the bracket. Insert the
computer into the mounting bracket and twist to the
right to lock into place.
WARNING!
Improper installation of this or any other bike computer
·
can result in an accident. Read instructions carefully.
Call 1-800-456-BELL if you have any questions
·
about installation.
Bell Wireless Speedometer
Components
Sensor
Computer Unit
Computer Battery
(3.0V/CR2032)
O-Rings (3)
Cable Ties (2)
Check mounting hardware and transmitter installation
·
before each ride for adjustment and secure fit.
This computer will not fit all bikes. If you cannot get a
·
secure installation per the instruction manual, do not
use this computer.
Mounting Bracket
Magnet
Programming the Computer
™
Wheel Size Input
The flashing number "2124" is the preset value. To determine the correct wheel factor, refer to the table shown.
Set the wheel factor by pressing the Right button until the
correct setting appears. Press the Left button to lock in
the correct digit. Repeat until all four digits are entered.
Road Bike
20" 1596
22" 1759
24" 1916
26" 2073
Mountain Bike
24" 1888
26" 2045
27" 2155
28" 2237
27"/700c 2124
Km or Mile Selection
After setting the Wheel Factor the Km/M selection will
appear. Press the Right button to choose kilometer or
mile. Press the Left button to confirm.
12 or 24 Hour Form at Sel ect ion
After the Km/M input selection, the clock format screen
will appear. Press the Right button to choose between the
two formats. Press the Left button to confirm.
KG or LB Selection
After the hour format selection, the Kg/Lb selection
will appear. Press the Right button to choose between
Kilograms (Kg) or Pounds (Lb). Press the Left button to
confirm choice.
Once the weight unit is selected, the computer will
ask the user to enter his/her weight. This will allow the
computer to accurately estimate the number of calories
burned while riding.
To enter the correct weight, press the Right button until
the correct digit appears. Press the Left button to lock in
the correct digit. Repeat until all digits are entered.
NOTE: The weight entered should be between 80–499Lb
or 35–199Kg. The speedometer is now ready to use.
Clock
Set the time by pressing and holding the Right button
until the hour is flashing. To set, press the Right button
until desired setting is displayed. Press the Left button to
confirm. Repeat steps for the minute setting.
Quickstart
Now that the speedometer is configured, insert the computer into the bracket and twist to the right to lock in place.
To check for proper installation, spin the front wheel. The
speed tendency icon in the upper left corner of the screen
should be turning as the computer starts recording data
(Refer to Troubleshooting in case of problems).
UPPER SCREEN
Current Speed (SPD)
·
0–199.9 Km/hr or M/hr
Calories Burned (CAL)
·
0–999.9 Calories Burned
Speed Comparison (+ or -)
·
Speed Tendency
·
LOWER SCREEN
Trip Distance (DST)
·
0–999.9 Km or M
Trip Timer (TM)
·
9 hrs 59 min 59 sec
Odometer (ODO)
·
Average Speed (AVS)
·
Maximum Speed (MXS)
·
Clock
·
Current Speed (SPD)
Current Speed represents instantaneous speed. It
is displayed on the upper screen. The speedometer
measures speeds up to 200Km/hr or 125 M/hr. If no keys
are touched and no movement sensed from the bicycle
for five minutes, the speedometer will go into sleep mode.
Press any key to reactivate.
Calories Bur ned (C AL)
Calories Burned is displayed on the upper screen. It represents the accumulated number of calories burned while
riding. The calorie count on the screen will start over once
999 calories have been burned. Calories Burned can be
reset at any time by pressing and holding the Left button
when "CAL" is displayed on the screen.
Speed Comparison (+ or -)
"+" or "-" appears next to the current speed. This function shows the positive or negative acceleration of your
Continued On Reverse Side
Quickstart (Continued)
current speed. If the current speed is higher than the
average speed, a "+" is displayed on your screen. If the
current speed is lower than the average speed, a "-" is
displayed on the screen. Shows only when SPD function
is on upper screen.
Speed Tendency
"Graphic" is the animation of the wheel moving.
Trip Distance (DST)
Press the Right button until "DST" appears. Trip Distance is
displayed on the lower screen. It is activated automatically
with the bicycle in motion. Trip Distance can be reset by
pressing and holding the Right button for two seconds
when "DST" is displayed on the screen.
NOTE: Resetting Trip Distance will automatically reset Trip
Timer and Average Speed.
Trip Ti mer (T M)
Trip Timer is displayed on the lower screen. It is activated
automatically with the bicycle in motion: it is on when you
ride and off when you stop. To display the timer, press the
Right button until "TM" appears. The timer records the
total cycling time for each trip. Trip Timer can be reset at
any time by pressing and holding the Left button for two
seconds when the "TM" is displayed on the screen. Note:
Resetting Trip Timer will automatically reset Trip Distance
and Average Speed.
Reset
Trip Reset
Program Reset
Total Reset
What’s Reset What’s Not Reset How
Calories Burned (CAL)
Trip Distance (DST)
Trip Timer
Average Speed (AVS)
Above functions plus:
Wheel Circumference
KM or Mile Selection
12-24 Hour Format
KG or LB Selection
User Weight
Clock
Max Speed (MXS)
All functions, including Odometer
(ODO) are reset (same as when
you change the battery)
Odometer (ODO)
Odometer is displayed on the lower screen. Just like a car,
it measures distance ridden over time. After changing the
computer battery, ODO will be set to zero. The odometer
can be reset to the previous value by pressing and holding
the Left button for two seconds when "ODO" is displayed
on the screen.
Aver age Sp eed (AV S)
Average Speed is displayed on the lower screen. It
represents the average speed while riding. Press the
Right button until the "AVG" appears. The average speed
is measured over the total cycling time for each trip. A
figure can be expressed in Km/hr or M/hr. The average
speed can be reset at any time by pressing and holding
the Right button for two seconds when the AVS is
displayed on the screen.
NOTE: Resetting the Average Speed will automatically
reset the Trip Timer and Trip Distance.
Maximum Speed (MXS)
Press the Right button until the "MXS" appears. This
display will show the maximum speed during your ride.
Maximum Speed can be reset at any time by pressing
and holding the Left button for two seconds when the
MXS is displayed on the screen.
Clock
Odometer (ODO)
Maximum Speed
Odometer Press YELLOW button on
Nothing Press RED button on Right
Press both main left and
right buttons down for 2
seconds
Left back of speedometer
with a pencil tip
back of speedometer with a
pencil tip
Backlight
Hold e ither left or right main bu tton for mo re than 1 s econd to ac tivat e the backlight featu re & illumi nate
the di splay scree n
Troubleshooting
Prob lem
No speedometer display
and/or no data reading
Slow display response
Display shows
irregular features
Black display
Poss ible Cause
Interference from electrical sources
Improper magnet/sensor alignment
Poor battery contact or low/dead battery
Temperature outside of operational
limits (0-60°C or 32-140°F)
Poor battery contact or
low/dead battery
Temperature too hot or display
exposed to sunlight too long
Computer damaged or dropped
Reco mmended Act ion
Move computer to different area
Ensure sensor & magnet are
properly installed and aligned (p. 1)
Replace battery
Only use computer when temperature
is within operational limits
Replace battery
Only use computer when temperature
is within operational limits. Remove
from sunlight
Computer is broken
FCC Warning
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) This
device must accept any interference received, including
interference that may cause undesired operation.
Warning: Changes or modifications to this unit not
expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
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 residential 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 & receiver.
·
Connect the equipment into an outlet on a circuit different
·
from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician
·
for help.
©2006 Bell Sports, Inc. Rantoul, IL 61866
www.bellbikestuff.com
Part #115238
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