Trek Incite ACH and ACH Digital
Bicycle Computer Owner’s Manual
This manual explains the installation and use of the Trek Incite ACH
and ACH Digital bicycle computers. Please read this manual carefully
and save it for future reference.
If you do not understand the information in this manual, or you
have a question about your Incite
ACH computer that this manual does not cover, consult your Trek
dealer. If you have a question or problem that your Trek dealer can’t
handle, contact us at:
Trek Bicycle Corporation Attn: Customer Service 801 W. Madison Street Waterloo, Wisconsin 53594 http://www. trekbikes.com 920.478.4670
© Copyright Trek Bicycle Corporation
2006 All rights reserved
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Contents |
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Safety and general guidelines.......................................................... |
1 |
Functions.......................................................................................... |
2 |
Installation........................................................................................ |
5 |
Placing the computer on the handlebar...................................... |
6 |
Placing the magnet and sensors.................................................. |
8 |
Positioning of the heart rate strap ........................................... |
11 |
Easy setup (ReSet)..................................................................... |
12 |
ReStartGetting ready to ride....................................................... |
17 |
Additional information................................................................... |
18 |
Troubleshooting............................................................................. |
19 |
Replacing the battery..................................................................... |
20 |
Advanced features.......................................................................... |
22 |
Units........................................................................................... |
23 |
Clock........................................................................................... |
24 |
Stopwatch................................................................................... |
25 |
Wheel size and setting a second wheel...................................... |
26 |
Speed.......................................................................................... |
30 |
Odometer.................................................................................... |
31 |
Cadence...................................................................................... |
32 |
Altitude....................................................................................... |
33 |
Grade.......................................................................................... |
35 |
Heart rate................................................................................... |
36 |
Heart rate zone.......................................................................... |
37 |
Limited Warranty........................................................................... |
38 |
ii |
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Safety and
While riding your bicycle, do not at the computer for long periods of (Figure 1). If you do not watch the
you could hit an obstacle, which may cause you to lose control and fall.
Make sure the computer wire cannot contact the tire or wheel spokes (Figure 2). The wire could be damaged causing the computer to malfunction. Also, wire could get caught, causing you to control and fall.
Figure 1- Watch the road when riding.
Figure 2- Keep the wire out of the spokes
Safety and General guidelines |
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Functions
Table 1- Function abbreviations, names and explanations
Function Explanation
Altitude |
Height relative to sea level. |
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CURCurrent |
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TRPTrip (since last Restart) |
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TTLTotal gained since last ReSet |
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MAXHighest value since last ReSet |
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Effective range: |
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FT |
-1250 to +30180 |
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M |
-381 to +9200 |
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Cadence |
Revolutions of the crankset per minute |
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Displays in whole numbers |
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Highest reading: 240. |
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ACH Digital (only) |
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AVGAverage cadence since last Restart |
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MAXMaximum cadence since last Restart |
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Clock |
Time of day |
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Displays in hours and minutes, or stopwatch |
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showing seconds. |
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12-hour with AM/PM or 24-hour format |
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Highest reading: 23:59 (clock) |
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or 23:59:59 (stopwatch) |
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Functions
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Grade |
Ratio of elevation gain to distance expressed as percent- |
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age. |
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CURCurrent |
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+/- indicates uphill (+) or downhill (-) |
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TRP AVGAverage grade since last Restart |
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TRP MAXMaximum grade since last Restart |
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Heart rate |
Rate of heart in beats per minute |
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CURCurrent |
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ACH Digital (only) |
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AVGAverage heart rate since last ReSet |
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MAXMaximum heart rate since last Restart |
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ZONEArrows indicate whether your heart rate is |
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within a set zone, above, or below |
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Odometer |
Distance ridden |
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Displays in miles or kilometers. |
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TRPTrip (since last Restart) |
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TTLTotal since last ReSet |
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Highest reading: 99,999 |
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Pacer |
Always displays |
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Indicates whether current speed is above or below |
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average speed |
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Displayed by arrow pointing up (above) or down |
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(below). |
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Functions
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Speed |
Always displays |
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Current speed of the bicycle in miles per hour (MPH) |
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or kilometers per hour (KPH) |
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AVGAverage speed since last Restart, displayed |
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to tenths. |
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MAXHighest value since last Restart |
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Highest readings: 80.5 mph or 129.6 kph |
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Temperature |
Always displays |
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Current temperature |
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Displayed in Fahrenheit or Celsius in whole numbers. |
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Lowest reading: -2° F +/-2°, -19° C +/-1° |
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Highest reading: 140° F +/-2°, 60° C +/-1° |
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Wheel |
Always displays |
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selection |
The computer can calculate from two programmed wheel |
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sizes, and this indicates which wheel setting is currently in |
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use by computer, Wheel 1 or Wheel 2 |
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BACKLIGHT |
ACH Digital (only) |
Note: Backlight |
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Provides backlight to display for 5 seconds. |
requires power; exces- |
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To activate, Push Set. |
sive use will reduce |
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battery life. |
Functions |
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Installation
Stem mount
Handlebar |
Speed sensor |
Cadence sensor |
mount |
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Figure 3- Location on bicycle of sensors and computer
Tools needed:
•Electrical tape
•Slot-type screwdriver
•Phillips-type screwdriver
•Scissors
Installation
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Placing the computer on the handlebar
Figure 4- Clamp and friction pad in computer base
The Trek Incite ACH computer can be mounted on the handlebar or on the stem (Figure 3).
To install the computer on handlebar
1.Select the bar clamp that fits your bike.
31.8mm bars: large clamp 25.4mm and 26.0mm: small clamp
22.2mm bar: small clamp with rubber shim
2.Insert the handlebar clamp into the back of the computer base (Figure 4) and slide it towards the front of the base.
3.Insert the rubber friction pad into the computer base, aligned across the computer base.
4.With the wire pointing toward the front of the bike, wrap the bar clamp around the handlebar.
5.Insert the screw through the washer and into the computer base.
6.Tighten the screw until the computer base cannot rotate on the handlebar.
7.Slide the computer into the computer base until the front of the computer and computer base line up.
Installation
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Check that the computer base cannot be rotated around the handlebar, and that the computer cannot slide backwards on the computer base (Figure 5).
To install the computer on the stem
1.Insert the rubber friction pad into the computer base, aligned along the computer base.
2.Insert two nylon ties through the computer base (Figure 6).
3.Place the base on the stem and tighten the nylon tie.
4.Slide the computer into the computer base until the front of the computer and computer base line up.
5.Check that the computer base cannot be rotated around the stem and the computer cannot slide backwards on the computer base.
6.Tighten the nylon ties and trim the excess length.
Figure 5- Make sure the computer cannot be bounced off.
Figure 6- Nylon tie threaded through computer base
Installation
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Placing the magnet and sensors
Figure 7- Installing magnet on round or oval spokes
Figure 8- Magnet placed on crankarm, aligned with sensor on chainstay
The wheel magnet must be aligned so that it passes across the sensor. As the magnet passes the sensor, it must be no further from the sensor than 1 to 3mm (1/32 to 1/8 inch).
The wheel magnet has a ‘T’ shaped slot with two configurations: round spokes and flat or bladed spokes (Figure 7).
The cadence sensor, with the wire, mounts near the crankset. It must be aligned so that the magnet passes within 1-3mm, and in line with the small line on the sensor (Figure 8).
To install the wheel magnet
1.Remove the screw from the magnet.
2.Slide the slot in the back of the magnet over the spoke.
For a flat or bladed spoke, start the spoke near the end where the spoke is round, and align the top of the ‘T’with the spoke as you slide the magnet up the blade (Figure 7).
3.Thread the screw into the magnet until it is snug against the spoke.
Installation
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To install the sensor
These instructions are written for the cadence sensor, which goes on the frame’s left chainstay. The instructions apply equally to installing the ACH Digital cadence sensor or the wheel sensor on the forkwhere there is no wire on the sensor.
1.Align the sensor with the magnet.
The magnet must pass across the line on the sensor (Figure 9).
2.Orient the sensor so that the clearance between the sensor and the magnet is between 1 to 3mm.
The sensor can be rotated around the crank about 45 degrees.
If needed, the sensor and magnet can be moved up or down the crank and bike frame to change the amount of clearance.
3.For a wireless sensor, install the rubber “foot” in the sensor (Figure 10).
The ACH Digital has an integrated rubber foot.
4.Attach the sensor with nylon ties, but do not fully tighten.
1.0 - 3.0mm
Figure 9- Magnet alignment and clearance
Figure 10Wireless sensor, foot, and fork blade
Installation
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5. With the computer in the computer base, check the alignment of the sensor and magnet by spinning the wheel and noting if the computer is displaying cadence (or for the
wheel sensor, speed).
If the computer shows cadence (RPM) or current speed, the sensor is reading the magnet. If the computer is not displaying a value, realign the sensor and magnet until one is displayed.
6. Tighten the nylon ties and trim the excess length (Figure 11).
Figure 11Trim excess nylon tie length
10 Installation
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