Avocent 15 User Manual

SPECIFICATIONS

CYCLOMETER 15

BUTTONS

PRESSING THE RIGHT BUTTON

Displays Speed with the other main functions: Total Distance, Trip

Distance, Average Speed, Ride Time, and Maximum Speed

Selects miles or kilometers and changes the calibration number in setup

PRESSING THE LEFT BUTTON

Moves from one digit to the next in calibration

Instrument displays either miles or kilometers.

Speed Functions

SPEED: To 75 mph Maximum Speed (MX): To 75 mph (resettable) Average Speed (AV): To 75 mph. Calculated only

while the wheel is turning. Averages up to 10 hours (resettable)

Resolution of speed functions: 0-19.9 mph, to 0.1; 20-

39.5 mph, to 0.5; 40-75 mph, to 1.0

Distance Functions

Total Distance (D): To 6,210 mi in 0.1 mi increments.

Display rolls over at 6,210 miles

Trip Distance (d): To 621.00 mi in 0.01 mi

increments

Time Functions

Ride Time (ST): To 9:59:59 (time used to compute

average speed). At 10:00:00 rolls over and resumes timing

RESET / POWER SAVER

Setup functions

Miles/Kilometers: Stored data converted when

setup is changed

Wheel Size Calibration: Calibration for wheels

from 100 mm (4") circumference to 2,999 mm (118") circumference in 1 mm increments

Automatic Power Saver: Blanks screen to cut power

consumption by 50% while retaining stored data

Dimensions: 1.75" X 1.75" x 0.3" Weight: Unit, 0.5 oz Display: Dual liquid crystal, upper numbers 0.3"

high; lower numbers 0.2" high

Operational Temperature Range: 0°F to 150°F Battery: 1.5 volt, 4 year life. Use Avocet

Cyclometer 15 battery or 357 (Renata, Eveready, RayOVac, Phillips). SR44W (Maxell, National, Panasonic, Sony, Toshiba), D357H (Duracell).

RESET by pressing both buttons

PRESSING BOTH BUTTONS

Resets Trip Distance, Average Speed, Ride Time, and Maximum Speed

(all together) when any of these functions is displayed

Shows the calibration number when total distance is displayed

HOLDING BOTH BUTTONS

Reaches wheel-size calibration. First press both buttons in the Total

Distance function to display the calibration number. Then press both buttons again to reach calibration.

FUNCTIONS

1. TOTAL DISTANCE–D

OPERATION. Press the right button to move from one function to the next.

SPEED (displayed in all functions). Speed resolution is to 0.1 mph up to 19.9 mph, 0.5

mph from 20 to 39.5 mph, and 1.0 mph above 40 mph. ‘mi’ flashes when the Cyclometer is receiving speed and distance data from the wheel sensor..

1. TOTAL DISTANC E–D. Accumulates the total distance (D) you have ridden up to 6,209.9

miles. At 6,210 miles it clears to 0 and resumes accumulation. To record yearly mileage, clear before your first ride of a new year.

2. TRI P DISTANCE–d. Displays the distance (d) ridden since the last reset up to 620.99

miles. At 621.00 miles it resets to 0 and resumes accumulation. Trip Distance also resets automatically when Ride Time reaches 10 hours. Reset at the start of each ride to avoid automatic reset during your ride.

2. TRI P DISTANCE–d 3. AVERAGE SPEED–AV 4–RIDE TIME–ST 5. MAXI MUM SPEED–MX

Trip Distance, Average Speed, Ride Time, and Maximum Speed reset together

RESET. To reset press both buttons when either Trip Distance, Average Speed, Ride Time, or

Maximum Speed is displayed. All of these functions reset together. When Ride Time reaches 10 hours, Trip Distance, Average Speed, and Ride Time reset automatically. Reset before starting each ride to avoid automatic reset.

AUTOMATIC POWE R SAVE R. After no buttons have been pressed and no wheel move-

ment has been detected for 6 minutes, the display will go blank. Power consumption is reduced by 50%. The normal display returns when a button is pressed or the bicycle is moved.

3. AVERAGE SPE ED–AV. Displays the average speed since the last reset. Averages speed for

up to 10 hours. After 10 hours the Cyclometer 15 displays an ‘E’ instead of average speed. The time over which the average has been calculated is shown in the Ride Time function.

4. RIDE TI ME–ST. Displays ride times up to 9 hours 59 minutes. Resets automatically at 10

hours. Trip Distance and Average Speed also reset at 10 hours. Ride time is the time that the bicycle's wheels have been turning. Time stopped is not accumulated. Average speed equals the trip distance divided by the ride time.

5. MAXIMUM SPEE D-MX. Displays the max speed since the last reset up to 75.0 mph.

MILES OR KILO METERS. When you install the battery, the Cy-

clometer displays “SEL” and “km” flashes. You can choose whether miles or kilometers will be displayed by pressing the right button. After you have made your selection, press the left button to go to wheel size calibration.

If you want to switch between miles and kilometers after initial setup, you must remove the battery. When you do this, stored data us lost

Change the blinking digit of the calibration number with the right

button

and the calibration number is reset to 2155.

CALIBRATION.

“Cir” is on the top display and the right digit of

the calibration number flashes on the lower display. Find the calibration number that matches your tire size from the table, or measure tire circumference by the precise calibration method. Adjust the flashing digit with the right button, then press the left button to go to the next digit. When all the digits are adjusted, press the left button to exit.

You can also change the calibration number without removing the battery. In the Total Distance function (D) press both buttons to display the calibration number. Then hold both buttons down for to enter calibration. Set the calibration number as described above.

STEP 1 – TRANSMITTER. Position the

magnet housing over a pair of crossed spokes with the spokes inside the slots. Insert the magnet in the well and close the housing pressing the parts together until they lock together over the spokes.

Magnet Housing

Magnet

Spoke

CALIBRATION

INSTALLATION

STEP 2– RECE IVER. Position the receiver

on the right fork blade opposite the magnet. Insert a zip tie through the slot and secure it loosely on the fork. Rotate the wheel until the transmitter is behind the receiver, then adjust the receiver on the fork so that it is opposite the magnet. Rotate the receiver until it is

/16" from the transmitter magnet then tighten

the tie and trim off its free end with scissors.

/8 to

CALIBRATION NUMBERS. The calibration number is wheel circumference in millimeters. This table is based on popular tire brands and assumes recommended inflation pressure and a rider weight of 165 lbs. (75 kg). To account for your unique combination of weight, tire pressure, and tire model, measure your tire circumference.

Tire Size Number

20 x 1.75 1528 mm 24 x 1 1753 600 tubular 1759 650 tubular 1929 26 x 1 1913 26 x 1.25 1952 26 x 1.5 1986

Calibration number equals tire circumference in inches multiplied by 25.4, or in millimeters.

Tire Size Number

26 x 1.95/2.0 2045 mm 26 x 2.1 2056

26 x 1 700C tubular 2083 700 x 20 2081 700 x 23 2087 700 x 25 2091

2068

Tire Size Number

700 x 28 2096 mm 700 x 32 2116 700 x 38 2159 27 x 7/8 2077 27 x 1 2105 27 x 1 1/8 2123 27 x 1 1/4 2142

PRECISE CALIBRATION. For the most precise calibration of your Cyclometer, measure the tire's ‘rolling circumference’ by the following method: Inflate your tires to your usual riding pressure. Mark the ground under the valve stem when the stem is at its lowest point. Get on the bicycle and have a helper push you in your normal riding position until the valve stem returns to its lowest point. Take care that the tire travels in a straight line. Mark below the stem again, then measure the distance between the marks in inches or millimeters. If you measure in inches, multiply your measurement by 25.4 to convert to millimeters. The calibration number is the tire circumference in millimeters.

STEP 3 - RECEIVER WI RE. Attach the wire

to the inside of the fork with cable ties, then wrap the wire around the front brake cable until the excess has been used up. Attach the wire only to parts that rotate when the bicycle is steered–the fork, handlebar stem, or the front brake cable. Do not attach the wire to the head tube.

Brake Cable

Tie

STEP 4 – M OUNT BR ACKET. Wrap the rub-

ber shim around the handlebar near the stem. Remove the clamp screw and place the bracket on the handlebar over the shim. If the shim is too long, trim it shorter with scissors. Insert the clamp screw and tighten it until the bracket is secure. Slide the Cyclometer into the bracket from front to rear until it snaps on. Spin the wheel and confirm that a speed reading is displayed. If the display remains at zero, check that the receiver and transmitter magnet are aligned and

/8 to 3/16" apart.

BATTERY & TROUBLESHOOTING

INSTALLING A N EW BATTERY. Re-

move the battery by prying up the cap with a screwdriver. Install the new battery with its positive (+) side toward the cap, then press in the cap. Use only an Avocet Cyclometer 15 battery or equivalent (see specifications). After battery installation a blinking “km” appears on the display. Press the left button for “mi”. Press the right button to calibrate. The default calibration number 2155 will appear. Any num-

ber other than 2155 indicates improper reset, and the battery must be removed then reinstalled after waiting at least 10 minutes.

Magnet

/8 "

Receiver Tie

TROUBLESHOOTING

Speed and distance seem too high or

too low

Check calibration number Confirm calibration number by tire roll-

out

Check spacing between receiver and

transmitter

No speed or distance

Check transmitter/receiver alignment

and spacing

Check contacts on back of Cyclometer and

on mount and clean with a pencil eraser if necessary

Check for broken wire

No display or display dim

Replace battery

Incorrect data or unusual display

Remove battery, then reinstall after

15 secondss

Receiver

AVOCET 1-YEAR LIMITED WARRANTY

This Avocet Cyclometer is warranted against defects in material and workmanship for one year after date of purchase, or two years after the manufacture date stamped on the PC board under the battery (YM), whichever comes first. Defective products will be repaired or replaced. The warranty will not cover the battery, normal wear, damage, or loss and is void if the Cyclometer is disassembled by anyone other than an authorized Avocet Service Center.

Customer service and product information are available at www.avocet.com/service.html or by calling Warranty claims are to be sent to the Service Center by the owner, not by the retail store where the Cyclometer was purchased. Include a description of the problem. Only the original, dated cash register or charge card receipt will be accepted for proof of purchase date (no exceptions).

Send your Cyclometer freight prepaid to the Service Center at the address listed below. A traceable method of shipment is recommended in the event that your shipment to Avocet is lost in transit.

Customer service and product information are available at www.avocet.com or by calling 650-470-0478 ext 218

PROCESSING INFORMATION

650-470-0478.

Avocet Service Center

170A University Ave.

Palo Alto, CA 94301

AVOCET, INC, P.O. Box 180, Palo Alto, CA 94302, USA

0402