Introduction
Thank you for purchasing the CATEYE V2c.
The V2c is a high-performance computer for riders who wish to train extensively and
analyze their data.
2.4GHz-frequency digital wireless technology, which is the same technology used for
wireless LAN, is used for both the speed/cadence integrated speed sensor. This technology practically eliminates interference from external noise and cross-talk with other wireless computer users, providing you with stress-free riding.
Read this instruction manual thoroughly and understand the functions of the product
before using it.
Keep it in a safe place for future reference.
Important
• Always follow the sections that are marked with “ Warning!!!”.
• No part of this manual may be reproduced or transmitted without the prior written
permission of CatEye Co., Ltd.
• The contents and illustrations in this manual are subject to change without notice.
• If you have any questions or concerns about this manual, please contact CatEye at
www.cateye.com.
About the manuals
Basic installation and operation
Please go here for installation of the unit on the bicycle, preparing the computer, and the
basic operation of the product.
1. How to install the unit on your bicycle ............... See page 6-8
2. Preparing the computer ..................................... See page 9-14
3. Basic operation of the computer ........................ See page 15-16
Measurement screen
Please go here to learn how to operate the computer functions.
• Measurement screen .......................................... See page 17-21
Ride data review
Please go here to check and manage recorded data
• File view ............................................................. See page 23-26
Changing computer configuration
Please go here for changing and checking each menu items.
• Changing the computer configuration ................ See page 22-33
Advanced use
• Recording lap and split time data ....................... See page 19 “Lap function”
• Training with target cadence zone ...................... See page 34
“Use of the target zone”
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Contents
Introduction .......................................... 1
About the manuals ............................... 1
Proper use of the CatEye V2c ............... 3
Description of computer and its parts .... 4
Computer ......................................... 4
Accessories ...................................... 4
Screen display ...................................... 5
How to install the unit on your bicycle ..... 6
1. Attach the bracket to the stem or
handlebar ..................................... 6
2. Mount the speed sensor and
magnet ......................................... 7
3. Remove/Install the computer ....... 8
Preparing the computer ........................9
Removing the insulation sheet ......... 9
1. Formatting/Restarting operation .... 10
2. Date/Clock setting ...................... 11
3. Tire circumference input ............. 12
4. Set the sensor ID ........................ 13
5. Selecting speed unit ................... 14
6. Operation test ............................. 14
Sensor signal status ....................... 14
Basic operation of the computer ........ 15
Functions on the measurement
screen ............................................ 15
Starting/Stopping the
measurement ................................. 16
Backlight ........................................ 16
Resetting the measurement data .... 16
Power-saving function.................... 16
Measurement screen .......................... 17
Upper and middle display data ....... 17
Lower display data ......................... 18
Pace function ................................. 19
Lap function ................................... 19
Countdown distance ....................... 20
Target cadence zone .......................21
Changing the computer
configuration ...................................... 22
File view (FILE VIEW) ..................... 23
Setting the clock/date
(CLOCK.DATE) ............................... 27
Wheel selection and tire
circumference (WHEEL) ................. 28
Searching the sensor ID
(SEnSOR-ID) .................................. 28
Setting the measurement unit
(UnIT) ............................................. 30
Total distance manual entry
(ODO InPUT) .................................. 30
Setting the auto-mode
(AUTO MODE) ................................ 31
Setting the countdown distance
→→
(C.D.DST
→) .................................. 31
→→
Setting sound (SOUnD) .................. 32
Setting the target cadence zone
(CDC.ZOnE) ....................................33
Use of the target zone ........................ 34
Trouble shooting ................................ 35
Trouble on display .......................... 35
Trouble on operation ...................... 36
Replacing battery ............................... 37
Computer ....................................... 37
Speed sensor ................................. 37
Maintenance ....................................... 38
Spare accessories .............................. 38
Specifications ..................................... 39
Registration ........................................ 40
Limited warranty ................................ 40
Proper use of the CatEye V2c
Observe the following instructions for safe usage.
The meaning of icons in this manual:
Warning!!! : Sections marked with these icons are critical for safe use of the device.
Warning!!! :
• Do not concentrate on the data while riding. Always be sure to ride safely.
• Do not leave any battery within the reach of children, and dispose of them correctly. If
a battery is swallowed, consult a doctor immediately.
Caution:
• Regularly check the positions of the magnets and the speed/cadence sensors and make
sure that they are securely mounted. Tighten it firmly if there is any looseness.
• Avoid leaving the main unit / wireless sensor in direct sunlight for extended periods of time.
• Do not disassemble the computer, or speed sensor.
• Do not subject the computer, or speed sensor to strong impact; take care also to pre-
vent any of them from falling.
• Do not use paint thinner or rubbing alcohol to clean the unit.
• As a nature of liquid crystal displays, sunglasses with polarized lens may block the visibility.
2.4GHz digital wireless system
2.4GHz-frequency digital communication technology, which is used for wireless LAN, is
adopted for both the speed/cadence integrated type speed sensor. This technology practically eliminates interference from external noise and cross-talk with other wireless computer users, and enables to store highly reliable data. However, in a very rare occasions,
objects and places may generate strong electromagnetic waves and interference, which
may result in incorrect measurement:
• TV, PC, radios, motors/engines, or in cars and trains.
• Railroad crossings and near railway tracks, around television transmitting stations and
radar bases.
• Other wireless computers or digitally controlled lights.
Be sure to follow these instructions.
Caution: Important cautionary notes on the use and operation of the V2c.
* Helpful tips are highlighted with asteriks.
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Description of computer and its parts
Computer
Front
Back-light button (LT)
Start / stop / enter button (SSE)
Back
All clear button (AC)
Accessories
Bracket /
Bracket band
Wheel magnet Cadence magnet
Speed sensor
(SPEED/CADENCE)
Mode-1 button (M1/+)
Mode-2 button (M2/-)
Lap button (LAP)
Battery cover
Menu button (MENU)
Bracket rubber pad
Nylon ties (x5)
Screen display
: Speed sensor signal
Indicate Speed sensor signal status.
(page 14)
: Alarm
Lights up when the CDC alarm sound
feature is turned on.
: Wheel selection
Displays the wheel currently selected.
Dot display
Mainly displays
mode descriptions
for the values displayed just below.
Button navigation
Operative buttons at set-up
of the computer, or on the
menu screen, will flash.
Selected data icon/unit
Displays together with the
data currently displayed
in the lower display.
Lights up or
flashes when the
SSE is operative.
: Speed pace arrow
The pace arrows show whether the current speed is faster (
than the average speed.
: Speed unit
) or slower ( )
Flashes while speed measurement is in
progress.
: Low battery indicator
Lights up when the remaining battery capacity for the computer is low.
: Average display
Lighting up displays that the speed, and
cadence displays are average values.
: Maximum value display
Lighting up displays that the speed, and
cadence displays are maximum values.
: Cadence pace arrow
The pace arrows show whether the current cadence is faster (
) or slower ( )
than the average cadence.
: Cadence unit
: Auto-mode
Lights up when the auto-mode function
is on.
: Lap icon
Lights up while the lap data is displayed.
: Cadence sensor signal
Indicate Cadence sensor signal status.
(page 14)
: Target zone
Lights up when the target zone is on,
and flashes when it is out of the zone.
Lights up when the
M1/+ is operative.
Lights up when the
M2/- is operative.
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How to install the unit on your bicycle
1. Attach the bracket to the stem or handlebar
The Flex Tight ™ bracket can be attached to either the stem or the handlebar depending on how the bracket and band are configured.
Caution:
Tighten the dial on the bracket band by hand only.
Over-tightening can damage the screw threads.
When attaching the Flex Tight ™ bracket to the stem
* Attach the bracket with its open end facing to the right.
Bracket band
Bracket
Bracket rubber pad
Stem
2. Mount the speed sensor and magnet
Speed sensor
2-1. Temporarily secure the speed sensor
Locate the speed sensor on the left chain stay as shown
above, and loosely secure it with the nylon ties.
* Do not tighten the nylon ties completely at this stage.
Once a nylon tie is tightened, it cannot be pulled out.
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Wheel magnet
Cadence magnet
Speed sensor
SPEED
When attaching the Flex Tight ™ bracket to the handlebar
* Attach the bracket with its open end facing to the right.
Bracket band
Bracket rubber pad
Bracket
Cut extra length of the band with scissors.
Caution:
Round off the cut edge of the bracket band to
prevent injury.
Handlebar
2-2. Mount the magnet
1. Loosen the setscrews both on the SPEED side
and CADENCE side of the speed sensor, and turn
the sensor to the angle as shown on the right.
2. Temporarily secure the wheel magnet to the
spoke so that it faces the sensor zone on the
SPEED side.
3. Temporarily secure the cadence magnet inside
the crank with nylon ties, so that it faces the
sensor zone on the CADENCE side.
* When the speed sensor is not positioned ap-
propriately in respect to the two magnets (in both
Steps 2 and 3), move the speed sensor back
and forth so that it is positioned properly.
After you move the speed sensor, adjust the
position so that the two magnets face the relevant sensor zone.
4. After adjustment, tighten the nylon ties firmly
to secure the speed sensor.
Nylon ties
Setscrew on the
CADENCE side
Sensor zone
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Wheel
magnet
Cadence
magnet
Nylon ties
Continue
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Sensor
zone
Setscrew on the
SPEED side
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2-3. Adjust the distance to the magnet
1. Adjust the distance between the wheel magnet
and the SPEED side of the speed sensor to be
about 3 mm. After adjustment, tighten the
setscrew on the SPEED side.
2. Adjust the distance between the cadence
magnet and the CADENCE side of the speed
sensor to be about 3 mm. After adjustment,
tighten the setscrew on the CADENCE side.
CADENCE
About 3 mm
SPEED
Wheel
magnet
Preparing the computer
Computer's basic items must be set up before using it.
Removing the insulation sheet
When using the unit for the first time after purchasing, open the battery cover and remove the insulation sheet.
* After you remove the insulation sheet, replace the
battery cover in place.
Open
Close
Insulation
sheet
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Cadence magnet
2-4. Securing various parts
Tighten the speed sensor, setscrew, and magnet
firmly, and check for any looseness.
* For steel axle pedals, cadence magnet can be
compacly installed onto the end face of the
pedal axle. Make sure to remove the doublesided tape from the magnet when doing this.
3. Remove/install the computer
Caution:
When removing, hold the unit to prevent it from falling.
Install Remove
Slide the computer
from the right
Click
Push outward
About 3 mm
Cut extra length
of the nylon tie
with scissors.
Holding the unit
Flow of set-up
There are 2 different set-up operations:
• Formatting operation: At initial purchase, or reset all to default.
• Restarting operation: When you replace batteries, or an error is displayed.
Each operation has a different flow of set-up.
For formatting: For restarting:
Formatting operation
Date/clock setting
Tire circumference input
Set the sensor ID
Selecting speed unit
Measurement screen
Restarting operation
Date/clock setting
* The date when you per-
formed the restarting
operation will be initially
displayed.
In the restarting operation,
the following data are retained.
Measurement screen
Total time
Total distance
Menu screen
File data saved
Time format
Date
Tire circumference and
wheel selection
Speed unit
Sensor ID
Auto-mode
Countdown distance
Sound
Setting the target zone
* If mistake was made or “ID-ERROR” showed in the initial set up, go through the full
initial set up steps first, and all corrections can be made afterwords through Menu
screens. (page 22)
Continue
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1. Formatting/Restarting operation
Formatting operation
Caution: All data are reset to the default and deleted.
1. While pressing the MENU button on the back of the
computer, press AC button.
Release the MENU button when a test pattern is displayed
on the screen. The date/clock setting screen appears.
Continue with date/clock setting.
Formatting operation:
* When all screen items light up without any test pattern displayed on the screen,
the formatting operation has not been completed properly. Perform the formatting
operation again.
Restarting operation
1. Press the AC button on the back of the computer.
After all screen items light up for a second, the date/clock
setting screen appears.
Continue with date/clock setting.
Restarting operation:
* Most of the settings and file data saved are retained for the restarting operation
(see chart on page 9).
(At initial purchase, or reset all to default.)
MENU
AC
(When you replace batteries, or an error is displayed.)
AC
After a test pattern is
displayed, all screen
items light up.
All screen items light
up (for a second).
2. Date/Clock setting
Set the current date and time.
1. Select the date display format.
Select the date display format from “YY/MM/DD”, “MM/DD/
YY”, and “DD/MM/YY” using the M1/+ and M2/- buttons,
and confirm with the SSE button.
Switch the display:
2. Enter the “Year”, “Month” and “Day.”
Enter the “Year”, “Month” and “Day” in the display order
selected in Step 1 using the M1/+ and M2/- buttons, and
confirm with the SSE button. Enter the last 2 digits of the year.
Increase/decrease:
3. Select the clock display format.
Select “24 hour” or “12 hour” using the M1/+ and M2/- buttons,
and confirm with the SSE button.
↔↔
24h
↔ 12h:
↔↔
4. Enter the “Hour” and “Minute.”
Enter the “Hour” using the M1/+ and M2/- buttons, confirm
with the SSE button, and then enter the “Minute” in the
same way.
Increase/decrease:
5. After you set the date/clock, press the MENU button to
proceed to the next set up item.
For the formatting operation: To the “Tire circumference input” screen below
For the restarting operation: To the measurement screen and ready for use
M1/+
M2/-
(or)
M1/+
M2/-
M1/+
M2/-
M1/+
M2/-
(or)
(or)
(or)
Confirm:
Confirm:
Confirm:
Confirm:
SSE
SSE
SSE
SSE
Display format
Hour Minute
MENU
(Back)
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Continue
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3. Tire circumference input
Enter the tire circumference of the bicycle wheel in millimeter.
1. Enter the last 2 digits of the tire circumference.
Enter using the M1/+ and M2/- buttons, and move digits
using the SSE button. Then, enter the first 2 digits in the
same way.
Increase/decrease:
2. After completed, press the MENU button to proceed to “Set
the sensor ID” below.
To “Set the sensor ID”:
Tire circumference
You can find the tire circumference (L) of your tire size in the chart below, or actually
measure the tire circumference (L) of your bicycle.
How to measure the tire circumference (L)
For the most accurate measurement, do a wheel roll out. With the
tires under proper pressure, place the valve stem at the bottom.
Mark the spot on the floor and with the rider's weight on the bike,
roll exactly one wheel revolution in a straight line (until the valve
comes around again to the bottom). Mark where the valve stem is
and measure the distance in millimeter.
* For your reference, use the tire circumference chart below.
Tire size L (mm) Tire size L (mm) Tire size L (mm)
12 x 1.75
14 x 1.50
14 x 1.75
16 x 1.50
16 x 1.75
18 x 1.50
18 x 1.75
20 x 1.75
20 x 1-3/8
22 x 1-3/8
22 x 1-1/2
24 x 1
Tubular
24 x 3/4
24 x 1-1/8
24 x 1-1/4
24 x 1.75
24 x 2.00
24 x 2.125
26 x 7/8
1020
1055
1185
1195
1340
1350
1515
1615
1770
1785
1753
1785
1795
1905
1890
1925
1965
1920
M1/+
M2/-
26 x 1(59
935
26 x 1(65
26 x 1.25
26 x 1-1/8
26 x 1-3/8
26 x 1-1/2
26 x 1.40
26 x 1.50
26 x 1.75
26 x 1.95
26 x 2.00
26 x 2.10
26 x 2.125
26 x 2.35
26 x 3.00
27 x 1
27 x 1-1/8
27 x 1-1/4
27 x 1-3/8
(or)
MENU
(Back)
)
)
Move digits:
1913
1952
1953
1970
2068
2100
2005
2010
2023
2050
2055
2068
2070
2083
2170
2145
2155
2161
2169
SSE
650 x 20C
650 x 23C
650 x 35A
650 x 38A
650 x 38B
700 x 18C
700 x 19C
700 x 20C
700 x 23C
700 x 25C
700 x 28C
700 x 30C
700 x 32C
700C Tubular
700 x 35C
700 x 38C
700 x 40C
29 x 2.1
29 x 2.3
L mm
1938
1944
2090
2125
2105
2070
2080
2086
2096
2105
2136
2146
2155
2130
2168
2180
2200
2288
2326
4. Set the sensor ID
Set the speed/cadence sensor ID.
* This unit requres the sensor ID in order for the computer to receive signal from
the sensors.
* To set the sensor ID , be within 5 m from the bicycle with a speed/cadence sensor
mounted properly (page 7).
* When performing ID Synch, make sure there is no other similar sensors in the
surrounding area. (It may pick up other sensor's ID)
1. Verify that the speed/cadence sensor is mounted properly to
the bicycle.
2. Press the SSE button to start searching the speed sensor ID.
When the speed (cadence) is displayed as “ID-OK” on the
screen by spinning the rear wheel or crank, searching is
completed.
Start searching:
3. Press the MENU button to proceed to “Selecting speed unit”
below.
To “Selecting speed unit”:
* This unit enters the search mode for 5 minutes after starting the ID check.
Press the SSE button during the search mode, then “ID-SKIP” is indicated and it
proceeds to “Selecting speed unit” screen below. Or, unless a sensor signal is
received in 5 minutes, “ID-ERROR” is indicated and it proceeds to “Selecting
speed unit” screen below.
When “ID-SKIP” or “ID-ERROR” is indicated, this unit is not ready for
measurement because the sensor ID has not been registered even though the
set-up is completed. Be sure to check the sensor ID from the menu screen
“Searching the sensor ID” (page 28).
SSE
MENU
(Back)
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Continue
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