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Cykeldator
A08C
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Thank you for your purchase of the Axiom
®
A08C cyclocomputer. With all the features that a professional
rider needs to keep track of a ride, the A08C is the perfect training tool for any cyclist.
BATTERY INSTALLATION
To prolong battery life, the A08C battery is not installed at the factory. Before programming or using the computer the battery must be
installed. The Axiom
®
A08C uses a common 3V CR2032 button cell battery (included). Replacement batteries are available at most camera and
electronic shops. Under normal usage a battery should last approximately one year. Note: Most problems that occur with cyclocomputers are
caused by dead or weak batteries. If you are having problems with your computer’s operation, check and replace the battery first.
STEP 1
Remove the battery cap from the bottom of the computer using a small coin. See Figure 1.
STEP 2
Install the battery in the battery compartment with the positive (+) side facing the battery cap. Be careful when installing the battery not to
damage the battery contact.
STEP 3
Reinstall the battery cap and tighten firmly, making sure the rubber O-ring does not get pinched or distorted, as this will compromise
the unit’s watertight seal.
Note: During a battery change your computer will retain programmed settings and odometer mileage for approximately 30 seconds. If the
battery is not replaced within 30 seconds, all data and programmed settings will be lost. Make a note of your current wheel size setting and
cumulative odometer mileage before replacing the battery so you can reprogram these values if necessary after the battery change (see
“Programming Wheel Size” and “Setting the Odometer”).
STEP 4
If for some reason the screen is blank or shows an irregular display after a battery change, press the “AC” button on the underside of the
computer head (see ”Reset Display Screens”).
BUTTON FUNCTION
LEFT BUTTON
Press and hold in the AVS, MXS, ATM (or TM) and DST screens to reset these display screens.
Press to start and stop the stopwatch (TM).
RIGHT BUTTON
Press to scroll through the AVS, MXS, ATM (or TM), DST, C and ODO display screens.
Press and hold in any screen to display the clock (CLK).
COMPUTER FUNCTIONS
WHEEL SIZE SETTING ((1)) or ((2)) (Figure 2)
Wheel circumference is used to calculate speed and distance. Setting range is 0000mm-2999mm.
To calculate and program wheel size, see “Determining Wheel Size” and “Programming Wheel Size.”
To select wheel size setting ((1)) or ((2)), advance to the MXS screen and press and hold BOTH buttons for 3 seconds.
SPEEDOMETER (m/h or km/h) (Figure 2)
Displays instantaneous speed, up to 199.5 m/h or km/h.
Accurate to 0.5 mile or kilometer increments. Always displayed at the top of the screen.
To select m/h or km/h, see “Programming the Computer.”
SPEED COMPARISON (▼▲) (Figure 2)
Compares current speed to average speed. As you ride, a (▲) or (▼) will appear in the upper right corner of the display to indicate whether your
current speed is above (▲) or below (▼) your average speed. This function is automatic, requires no programming and cannot be disabled.
AVERAGE SPEED (AVS) (Figure 2)
Displays average speed up to 199.9 m/h or km/h. Calculated using true ride time (ATM) and trip distance (DST).
To reset AVS to zero, advance to the AVS screen and press and hold the LEFT button for 3 seconds.
Note: MXS, ATM (or TM) and DST will also be reset to zero.
MAXIMUM SPEED (MXS) (Figure 3)
Displays the fastest speed attained during a ride, up to 199.5 m/h or km/h.
To reset MXS to zero, advance to the MXS screen and press and hold the LEFT button for 3 seconds. Only MXS will be reset to zero.
MAGNET, SENSOR & BRACKET INSTALLATION
WHEEL MAGNET AND SENSOR INSTALLATION
We recommend that you install your Axiom
®
A08C in the following manner, starting with the sensor units on the chainstay and working up to
the mounting bracket on the handlebar.
STEP 1
Identify the two sensors and magnets. The speed sensor is attached to the black cable and the cadence sensor is attached to the gray cable.
The cadence magnet is the square, flat magnet with “Cadence Magnet” printed on one side.
STEP 2
Using one of the included rubber shims and two of the zip-ties, mount the cadence sensor loosely (so that you can slide it around) to the out-
side of the left (non-drive side) chainstay. See Figure 15.
STEP 3
Use a zip-tie to attach the cadence magnet loosely to the inside of the left crank arm directly opposite the cadence sensor. The printing on
the magnet should face the sensor. Adjust the position of the magnet and sensor until the magnet passes the alignment mark on the sensor
with 1mm-3mm of clearance.
STEP 4
Using the second included rubber shim and two more zip-ties, mount the speed sensor loosely (so that you can slide it around) to the inside
of the left (non-drive side) chainstay. See Figure 15.
STEP 5
Attach the wheel magnet loosely to one of the spokes on the left side of the wheel directly opposite the speed sensor. Adjust the position of
the magnet and sensor until the magnet passes the alignment mark on the sensor with 1mm-3mm of clearance.
Note: 1mm is about the thickness of a penny. If the magnet and sensor are not close enough, the computer will not pick up a reading, or
readings will be inconsistent and erratic. Most problems encountered during installation of a new computer are related to magnet and sensor
alignment and spacing.
STEP 6
Once the speed and cadence sensors and magnets are aligned properly, tighten the zip-ties to secure all four in place.
STEP 7
Route the sensor cable along the frame toward the handlebar, and secure it with zip-ties or electrical tape to ensure it does not contact or
interfere with the crank or wheels in any way.
STEP 8
Carefully wrap the excess sensor cable around the front brake cable housing, leaving enough slack in the cable to allow for the movement of
the handlebar while steering. When finished, enough cable slack should remain for the computer mounting bracket to reach the handlebar.
Check to make sure all excess sensor cable is either taped down or wrapped around the brake cable housing so that nothing can snag it dur-
ing a ride.
BRACKET INSTALLATION
Use the included band clamp and a small screwdriver to attach the bracket to the handlebar as shown in Figure 16A & 16B. Once the
bracket is securely installed, trim the excess band with scissors.
HEAD UNIT INSTALLATION
Set the computer head into the bracket, and twist the head clockwise until you hear an audible “CLICK”, indicating that the unit is locked
firmly in place. See Figure 17. To remove the head unit, twist the head counterclockwise and then lift it out of the bracket.
TEST OF INSTALLATION
Once the installation procedure is complete, test the unit to make sure everything is adjusted and working properly.
STEP 1
Install the computer head in the handlebar bracket and use the RIGHT button to advance to the cadence (C) display screen.
STEP 2
Lift the rear of the bicycle and turn the cranks. The computer should register a speed reading and cadence reading within 1-2 seconds. If it
does not, check the alignment of the speed and cadence magnets with the sensors. Make sure the space between the magnets and sensors
is 3mm or less. Adjust as necessary and re-test.
Cyclocomputer
CADENCE
40-1880 1203_2
Performance Tech Support 1(800)553-8324
9am-6pm EST Monday-Friday
Performance, Inc.
One Performance Way
Chapel Hill, N.C. 27514
Made in Hong Kong
www.performancebike.com
PERFORMANCE and the Flying P Logo are registered marks of Performance, Inc.
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25
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25
1
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Speedometer, Speed
Comparison & Average Speed
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Maximum Speed
15
1-3 mm
1-3 mm
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16A
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16B
LOCK
UNLOCK
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03_AxiomA08C_INS.qk 12/12/03 10:28 AM Page 1
AUTOMATIC RIDE TIMER (ATM) (Figure 4)
Auto start/stop timer records actual ride time up to 9:59:59. Activated by rear wheel movement.
To reset ATM to zero, advance to the ATM screen and press and hold the LEFT button for 3 seconds.
Note: AVS, MXS and DST will also be reset to zero.
To select ATM or TM, advance to the ATM/TM screen. Press and hold BOTH buttons until ‘ATM’ or ‘TM’ flashes. Press the RIGHT button to
select ATM or TM. Press the LEFT button to confirm your selection.
STOPWATCH (TM) (Figure 5)
Manual stopwatch allows you to time your entire ride or portions of your ride, up to 9:59:59.
Press the LEFT button to start and stop the stopwatch.
To reset TM to zero, advance to the TM screen and press and hold the LEFT button for 3 seconds.
Note: AVS, MXS and DST will also be reset to zero.
To select TM or ATM, advance to the ATM/TM screen. Press and hold BOTH buttons until ‘ATM’ or ‘TM’ flashes. Press the RIGHT button to
select TM or ATM. Press the LEFT button to confirm your selection
TRIP DISTANCE (DST) (Figure 6)
Displays distance traveled during current ride, up to 999.99 miles or kilometers.
To reset DST to zero, advance to the DST screen and press and hold the LEFT button for 3 seconds.
Note: AVS, MXS and ATM (or TM) will also be reset to zero.
CADENCE (C) (Figure 7)
Displays crank revolutions per minute (RPM) from 30 to 240.
ODOMETER (ODO) (Figure 8)
Displays cumulative, combined ride distance for wheel settings ((1)) and ((2)) up to 99,999 miles or kilometers.
To program the ODO value see “Setting the Odometer.”
To reset the ODO to zero, depress the ‘AC’ button on the underside of the computer head. See “Reset Display Screens”. Note: This will reset
ALL display screens and ALL programmed settings (including CLK and wheel size setting).
CLOCK (CLK) (Figure 9)
Displays time of day in a 12 hour or 24 hour format.
To view the clock, press and hold the RIGHT button for 3 seconds in any display screen.
To select clock format and set the time, see “Setting the Clock.”
AUTO SLEEP
To prolong battery life, the A08C will automatically enter “sleep” mode after 5 minutes of non-use. The computer will automatically restart
when it receives input from the speed sensor, or when any button is pressed.
RESET DISPLAY SCREENS
The AVS, MXS, ATM (or TM) and DST display screens can be reset simultaneously. In the AVS, ATM (or TM) or DST display screens, press
and hold the LEFT button for 3 seconds to reset all four display screens to zero.
The MXS display screen can also be reset separately. In the MXS screen, press and hold the LEFT button for 3 seconds to reset only MXS to zero.
To reset all display screens to zero AND reset all programmed settings (including CLK, ODO and wheel size settings), use a pencil to
depress the “AC” button on the underside of the computer head. See Figure 10.
PROGRAMMING THE COMPUTER
Before using your Axiom
®
A08C cyclocomputer, you must program the unit specifically for your bike.
SELECTING MILES OR KILOMETERS (Figure 11A & 11B)
The Axiom
®
A08C is capable of displaying speed and distance information in either miles or kilometers. You can switch between miles and
kilometers at any time by entering the programming mode and changing your selection.
STEP 1
With the computer in the ODO display screen, press and hold BOTH buttons for 3 seconds.
STEP 2
“m/h” or “km/h” will flash on the right side of the screen. Press the RIGHT button to select miles (m/h) or kilometers (km/h).
STEP 3
Press the LEFT button to confirm your selection and return to the ODO display screen.
DETERMINING WHEEL SIZE
The Axiom
®
A08C uses wheel circumference (measured in millimeters) to calculate speed and distance. Note that while your computer can
be programmed to +/-1mm for total accuracy, discrepancies of as much as 50mm will not have a significant effect on the accuracy of the unit
for most normal rides. The following chart lists the programming sizes for some of the most popular tire sizes currently in use. These numbers
are estimations which may not precisely match the circumference of your wheel, due to variations in tire size between brands and models.
WHEEL SIZE CALCULATION
If your specific tire size is not listed in the chart, follow these steps
to measure wheel circumference.
STEP 1
Stand your bicycle upright. With your tire inflated to its proper
pressure, rotate your front wheel so that the valve is located at the
bottom (6 o’clock position). Make a mark on the floor to indicate the
valve location. See Figure 12.
STEP 2
Roll the bicycle forward in a straight line for one complete wheel
revolution, until the valve is again at the bottom. Make a mark on
the floor to indicate the valve location.
STEP 3
Measure the distance between the marks in millimeters (1 inch =
25.4mm). This value is your wheel circumference. Enter this value
in the computer (see “Programming Wheel Size”).
PROGRAMMING WHEEL SIZE
The default wheel size setting for wheel size ((1)) is 2124mm. The
default wheel size setting for wheel size ((2)) is 2074mm. After
determining your wheel size as described above, enter the value in
the computer.
WHEEL SIZE ((1)) (Figure 13A)
STEP 1
Advance to the ODO display screen. Press and hold the LEFT button for 3 seconds to access the wheel size programming screen. The digit at
the right of the screen will flash. Use the RIGHT button to adjust the value.
STEP 2
Press the LEFT button to confirm the value and advance to the next flashing digit.
STEP 3
Repeat this process until all digits have been set to the appropriate values.
STEP 4
Press the LEFT button to confirm the wheel size setting and advance to the odometer (ODO) programming screen.
WHEEL SIZE ((2)) (Figure 13B)
STEP 1
Advance to the ODO display screen. Press and hold the LEFT button for 3 seconds to access the first wheel size screen. Then press and hold
the LEFT button for 3 more seconds to access the second wheel size screen. The digit at the right of the screen will flash. Use the RIGHT but-
ton to adjust the value. Continue with STEP 2, above.
SETTING THE ODOMETER
The A08C odometer can be programmed so that cumulative mileage can be restored after a battery change or transferred from another computer.
STEP 1
Once you’ve entered the wheel size value and pressed the LEFT button (see STEP 4 of “Programming Wheel Size”), the computer will auto-
matically advance to the odometer programming screen. See Figure 14.
STEP 2
The digit at the right of the screen will flash. Use the RIGHT button to adjust the value. Press the LEFT button to confirm the value and
advance to the next flashing digit.
STEP 3
Repeat this process until all digits have been set to the appropriate values.
STEP 4
Once the last digit has been set, press the LEFT button to return to the ODO display screen.
SETTING THE CLOCK
To access the CLK screen, press and hold the RIGHT button for 3 seconds in any display screen. The Axiom
®
A08C cyclocomputer is equipped
with a digital clock that displays time of day in a 12 hour or 24 hour format.
STEP 1
With the computer in the CLK display screen, press and hold the LEFT button for 3 seconds.
STEP 2
“24” or “12” will flash in the lower line of the display. Press the RIGHT button to select the 12 hour or 24 hour mode. Press the LEFT button to
confirm your selection and advance to the hours setting.
STEP 3
Press the RIGHT button to set the hours. Press the LEFT button to advance to the minutes setting.
STEP 4
Press the RIGHT button (or press and hold) to set the minutes. Once the minutes are set, press the LEFT button to confirm the setting and
return to the CLK display screen.
16 x 1.75
20 x 1.75
26 x 0.75
24 x 1.75
24 x 1
1272
1590
1948
1907
1954
26 x 1.0
26 x 1.6
26 x 1.5
26 x 1
1973
2105
2026
2051
26 x 1.75
26 x 2
26 x 2
26 x 1.9
2070
2089
2114
2133
TIRE SIZE
CIRCUMFERENCE
1
/
8
3
/
8
3
/
8
27 x 1
28 x 1.5
28 x 1
28 x 1
28 x 1.75
2199
2224
2268
2265
2205
700 x 18c
700 x 25c
700 x 23c
700 x 20c
2102
2114
2133
2146
700 x 28c
700 x 40c
700 x 37c
700 x 32c
2149
2174
2205
2224
TIRE SIZE
CIRCUMFERENCE
3
/
8
1
/
2
1
/
4
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4
Automatic Ride Timer
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5
Stopwatch
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6
Trip Distance
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Cadence
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8
Odometer
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9
Clock
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11A
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11B
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14
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13A
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13B
1x
Distance in mm / inch
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12
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03_AxiomA08C_INS.qk 12/12/03 10:28 AM Page 2
Produktspecifikationer
| Varumärke: | Axiom |
| Kategori: | Cykeldator |
| Modell: | A08C |
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