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Nashbar Tempo Wireless Computer User Manual

Made by: Nashbar
Type: User Guide
Category: Bicycle Accessories
Pages: 2
Size: 2.25 MB

 

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SET THE CLOCK

The Nashbar Tempo Wireless is equipped 

with a digital clock that displays time of day in 

a 12 or 24 hour format.

STEP 1:  

Press the MODE button to advance 

to the Clock display screen (CLK). Hold the red 

SET button for 4 seconds to enter set-up mode.

STEP 2:

  “12” or “24” will flash at the top of the 

screen. Press the SET button to select 12 or 24 

hour mode. Press the MODE button to confirm 

your selection and advance to the hours setting.

STEP 3:  

The hours will flash. Press the SET 

button (or press and hold) to advance the 

hours. If you selected 12 hour mode, “PM” will 

appear for hours between noon and midnight. 

Press the MODE button to advance to the 

minutes setting.

STEP 4:

  The minutes will flash. Press the 

SET button (or press and hold) to advance 

the minutes. Press the MODE button to 

advance to the seconds setting.

STEP 5:

  The seconds will flash. Press the 

SET button to reset the seconds to “00”. Hold 

the MODE button to exit set-up mode.

SELECT SPEED SCALE

The Nashbar Tempo Wireless is capable of 

displaying speed and distance information in 

miles or kilometers.

STEP 1:

  Press the MODE button to advance 

to the Total Odometer display screen (ODO). 

Hold the SET button for 4 seconds to enter 

set-up mode.

STEP 2:

  “M/H” or “KM/H” will flash in the 

display screen. Press the SET button to select 

miles (M/H) or kilometers (KM/H).

STEP 3:

  Press the MODE button to advance 

to the wheel size programming screen.

PROGRAM WHEEL SIZE     AND 

ODOMETER (ODO1)

STEP 1: 

 After the speed scale has been 

selected (see above), the computer will 

automatically advance to the wheel size 

programming screen. “     ” or “     ” will flash at 

the top of the screen.

STEP 2: 

 Press the SET button to select 

wheel size     . Press the MODE button to 

advance to the wheel size setting.

STEP 3:

  The left-most digit will flash. Press 

the SET button to adjust the value according 

to the wheel circumference determined above 

(see “Determine Wheel Size”). Then press 

the MODE button to advance to the next 

flashing digit.

STEP 4:

  Repeat this sequence until the 

correct wheel size has been entered. Then 

press the MODE button to advance to the 

odometer programming screen for wheel 

size       (ODO1). (If you don’t wish to program 

the odometer, press the MODE button 5 times 

to advance to the temperature scale selection 

screen, or hold the MODE button to exit set-up.)

STEP 5:

  The left-most digit of the odometer 

value will flash. Press the SET button to 

adjust the value. Then press the MODE 

button to advance to the next flashing digit.

STEP 6:

  Repeat this sequence until the 

odometer value for wheel size      has been 

set. Then press the MODE button to advance 

to the temperature scale selection screen, or 

hold the MODE button to exit set-up.

INTRODUCTION

Thank you for purchasing a Nashbar

 cycle 

computer. With all the features that a professional 

rider needs to keep track of a ride, the Nashbar 

Tempo Wireless is the perfect accessory for any 

cyclist. The convenience of coded wireless 

transmission makes installation simple and 

virtually eliminates interference issues.

BATTERY INSTALLATION

To help you get started quickly, the computer 

and transmitter batteries have been installed 

at the factory. Under normal use the batteries 

should last one to two years. The Nashbar 

Tempo Wireless uses a 3V CR2032 button 

cell battery (available at most drug stores or 

electronic shops) in both the computer and 

the transmitter.

NOTE:

  Most problems that occur with cycle 

computers are caused by weak or dead 

batteries. Should you need to replace the 

batteries, follow the steps below.

COMPUTER HEAD

NOTE:

  During a battery change, all data will 

be cleared from memory. Make a note of your 

current wheel size settings and cumulative 

odometer mileage before replacing the battery 

so you can reprogram these values once the 

battery is replaced.

STEP 1:

  Remove the 

battery cover from the 

underside of the computer 

using a coin (Fig. 1). 

Remove the old battery 

and dispose of it properly.

STEP 2:

  Install a fresh 

battery with the positive  

(+) side facing the battery cover.

STEP 3:

  Install the battery cover securely, 

making sure the rubber O-ring seal around 

the battery compartment is still  in place and 

seated properly.

TRANSMITTER

STEP 1:  

Remove the 

battery cover from the 

back of the transmitter 

using a coin (Fig. 2). 

Remove the old battery 

and dispose of it properly.

STEP 2:

  Install a fresh battery with the 

positive (+) side facing the battery cover.

STEP 3:

  Install the battery cover securely, 

making sure that the rubber O-ring seal 

around the battery compartment is still in 

place and seated properly.

COMPUTER FUNCTIONS

CLOCK (CLK) 

Displays time of day in a 12 or 24 hour format.

AUTOMATIC RIDE TIMER (TM) 

Auto start/stop timer is activated by front 

wheel movement and records actual ride time 

up to 29:59:59.

CURRENT SPEED (M/H or KM/H) 

Displays current speed, up to 62.4 M/H (99.9 

KM/H). Accurate to 0.1 M/H or KM/H. Always 

displayed at the top of the screen.

AVERAGE SPEED (AVS) 

Calculates average speed based on ride time 

(TM) & trip distance (DST).

MAXIMUM SPEED (MXS) 

Displays highest speed attained during a ride (or 

since last reset), up to 62.4 M/H (99.9 KM/H).

SPEED COMPARISON INDICATOR (  or  ) 

Compares current speed to average speed. 

As you ride, a ( ) or ( ) will appear next to the 

current speed 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.

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

TRIP DISTANCE (DST) 

Displays distance traveled during current 

ride (or since last reset), up to 624.99 miles 

(999.99 kilometers).

ODOMETER (ODO 1) 

Displays cumulative ride distance, up to 

62,499 miles (99,999 kilometers) for wheel 

size     .

ODOMETER (ODO 2) 

Displays cumulative ride distance, up to 

62,499 miles (99,999 kilometers) for wheel 

size     .

TOTAL ODOMETER (ODO) 

Displays total cumulative ride distance for 

both wheel sizes combined, up to 62,499 

miles (99,999 kilometers).

DUAL WHEEL SIZE SETTINGS      or     

Wheel circumference is used to calculate 

speed and distance. The Nashbar Tempo 

Wireless computer includes two wheel size 

settings (     and     ), to keep track of ride data 

on two bikes with different wheel sizes (e.g. 

your road bike and mountain bike).

TEMPERATURE 

Displays air temperature in °F or °C, from 

32°F to 122°F.

AUTO SLEEP 

To prolong battery life, the Nashbar Tempo 

Wireless automatically enters “sleep” mode 

after 30 minutes of inactivity. In sleep mode, 

only the time of day will be displayed. To 

activate the computer when it’s in sleep 

mode, simply press the MODE button.

DETERMINE WHEEL SIZE

The Nashbar Tempo Wireless uses wheel 

circumference (measured in millimeters) 

to calculate speed and distance. Before 

programming the computer, calculate 

wheel circumference using one of the three 

methods below.
1. Select size from chart (least accurate): 

Use the chart below to find the 

circumference for your tire size. The 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.

PROGRAM THE COMPUTER

Before using your Nashbar Tempo Wireless, 

you must set the clock, select a speed scale 

(miles or kilometers), program wheel size, 

set the odometers (if desired), select a 

temperature scale (°F or °C) and program 

gender and weight.

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

Tempo

|

Wireless

 CompuTer

Fig 1

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

Fig 2

2. Measure wheel diameter (more accurate):

Measure your wheel diameter (including 

wheel and tire) in millimeters (1 inch = 

25.4mm) and multiply by 3.1416. This value 

is your wheel circumference. 

3. Perform roll-out test (most accurate):  

(Fig. 3).

Step 1:

  Stand your bicycle upright. With 

your tires inflated to their normal riding 

pressure, rotate the front wheel so the valve 

stem is located at the 6 o’clock position. 

Make a mark on the ground to indicate the 

valve location.

Step 2:

  Roll the bicycle forward in a 

straight line for one complete wheel 

revolution, until the valve stem is again 

at the bottom (ideally, you should be on 

the bike). Make a mark on the ground 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.

Fig 3

Fig 4

 


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transmitter with 

a clearance of 

1mm to 2 mm 

(1mm is about 

the thickness 

of a penny). 

(Fig. 9). If the 

magnet and 

transmitter are 

not aligned 

or not close 

enough 

together, the 

computer will 

not pick up a 

STEP 2:  

Attach the computer head to the 

bracket. Press the computer head into 

SELECT TEMPERATURE SCALE

STEP 1:

  After the odometer has been set 

(see above), the computer will automatically 

advance to the temperature scale selection 

screen. “°F” or “°C” will flash at the bottom of 

the screen.

STEP 2:

  Press the SET button to select 

Fahrenheit (°F) or Celsius (°C).

STEP 3:

  If you wish to program wheel 

size     , press the MODE button to return to 

the wheel size selection and programming 

screen. Otherwise hold the MODE button to 

exit set-up.

PROGRAM WHEEL SIZE      AND 

ODOMETER (ODO2)

STEP 1:

  Press the MODE button to advance 

to the Total Odometer display screen (ODO). 

Hold the SET button for 4 seconds to enter 

set-up mode. Press the MODE button one 

time until “     ” or “     ” flashes at the top of the 

screen.

STEP 2:

  Press the SET button to select 

wheel size     . Press the MODE button to 

advance to the wheel size setting.

STEP 3:

  The left-most digit will flash. Press the 

SET button to adjust the value according to the 

wheel circumference determined above (see 

“Determine Wheel Size”). Then press the MODE 

button to advance to the next flashing digit.

STEP 4:

  Repeat this sequence until the 

correct wheel size has been entered. Then 

press the MODE button to advance to the 

odometer programming screen for wheel 

size      (ODO2). If you don’t wish to program 

the odometer, hold the MODE button to exit 

set-up.

STEP 5:

  The left-most digit of the odometer 

valve will flash. Press the SET button to 

adjust the value. Then press the MODE 

button to advance to the next flashing digit.

STEP 6:

  Repeat this sequence until the 

odometer value for wheel size      has been set. 

Hold the MODE button to exit set-up mode.

SET THE CALORIE COUNTER

The Nashbar Tempo Wireless uses weight 

and gender to calculate calories burned 

during exercise. In order for the calorie 

counter to provide an accurate measurement, 

you must enter your weight and gender.

STEP 1:

  Press the MODE button to advance 

to the Calorie display screen (KCAL). Hold the 

SET button for 4 seconds to enter set-up mode.

STEP 2:  

“MALE” or “FEMALE” will flash 

at the bottom of the screen. Press the SET 

button to select gender, then press the 

MODE button to advance to the weight scale 

selection screen.

STEP 3:

  “kg” or “Lb” will flash at the bottom 

of the screen. Press the SET button to select 

Kilograms (kg) or Pounds (Lb). Then press 

the MODE button to advance to the weight 

input screen.

STEP 4:

  The weight value will flash at the top 

of the screen. Press the SET button (or press 

and hold) to adjust the weight value (from 44 

to 330 Lbs). Hold the MODE button to exit 

set-up mode.

INSTALLATION

Wireless transmission makes installation 

simple. Begin by attaching the computer 

bracket to the handlebar or stem.

STEP 1:  

The mounting bracket consists of 

two parts and can be configured for handlebar 

or stem mounting (Fig. 5). Use the included 

zip-ties to attach the bracket to the handlebar 

or stem. 

Tighten 

the zip-ties 

securely 

and trim 

the excess 

length with 

scissors or 

fingernail 

clippers.

STEP 2:

  Press the MODE button one time 

until      or      flashes at the top of the screen.

STEP 3: 

 Press the SET button to select 

wheel size      or    . Hold the MODE button to 

exit set-up.

PROGRAM ODOMETER

The Nashbar Tempo Wireless includes a 

separate odometer for wheel size      (ODO1) 

and wheel size      (ODO2). The total 

odometer (ODO) displays the combined 

mileage total from ODO1 and ODO2. 

Therefore, to program the odometer (for 

example, after replacing a battery or when 

transferring mileage from another computer) 

program ODO1 and/or ODO2. See “Program 

the Computer.”

RESET DISPLAY SCREENS

The Nashbar Tempo Wireless maintains a 

separate odometer reading for wheel size      

and    . Average Speed, Maximum Speed, 

Trip Distance, Calorie and Ride Timer values, 

however, are combined for both wheel sizes 

and are reset simultaneously.

STEP 1:

  To simultaneously reset Average 

Speed, Maximum Speed, Trip Distance, 

Calories and Ride Timer for wheel size     and 

    , press the MODE button to advance to the 

Ride Timer display screen (TM).

STEP 2: 

 Hold the SET button for 4 seconds 

to clear the ride data. The three Odometer 

values (ODO1, ODO2 and ODO) will not  

be reset.

NOTE:

  Entering set-up mode (to select 

wheel size or adjust settings) will not reset the 

display screens or clear any ride data.

MAINTENANCE

COMPUTER 

If you notice a change in the display screen 

contrast or if the figures become faint, it may 

be time to replace the computer battery. 

See “Battery Installation”. We recommend 

replacing both the computer and transmitter 

batteries at the same time.

TRANSMITTER 

Periodically check the alignment of the wheel 

magnet and transmitter and make sure the 

space between them is 5mm or less. Remove 

any signs of rust or corrosion from the magnet 

to ensure proper function.

TROUBLESHOOTING

1. Computer display is blank or very light 

The computer battery may be weak or 

installed incorrectly. Make sure the battery 

is installed with the positive (+) pole facing 

the battery cover, or replace the battery with 

a fresh one.

2. Computer display becomes dark or black 

The ambient temperature may be too high. 

Allow the computer to cool, and the display 

will return to normal.

3. Computer display appears to update slowly 

The ambient temperature may be too low. 

When the temperature rises, the display 

will return to normal. Note:  Even when the 

display is affected by cold, the computer will 

continue to record data normally.

4. Absent or erratic speed reading 

Check the alignment of the wheel magnet 

and transmitter, and make sure that the 

space between the two is 2 mm or less. 

Adjust as necessary and re-test.
Make sure the computer transmitter 

batteries are installed correctly and fully 

charged. If in doubt, replace both batteries 

with fresh ones.
Even coded wireless cycle computers are 

occasionally affected by electromagnetic 

interference from high voltage power lines, 

motor driven equipment and other wireless 

devices (such as heart rate monitors). If you 

experience unusually high speed readings, 

check your surroundings for possible 

sources of electromagnetic interference and 

move away from the source.

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

Fig 6

Fig 5

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

16 x 1.75

20 x 1.75

24 x 1.75

1077

1515

1890

26 x 1.0

26 x 1.95

26 x 1.5

1953

2026
2051

26 x 1.75

26 x 2

1

/

8

26 x 2.0

26 x 1.9

2070
2089
2114
2133

TIRE SIZE

CIRCUMFERENCE

27 x 1

1

/

4

28 x 1.5

2161

2224

700 x 18c

700 x 25c

700 x 23c

2102
2096

2105

700 x 28c

700 x 38c

700 x 35c

700 x 32c

2136

2155
2168

2180

TIRE SIZE

CIRCUMFERENCE

1x

Distance in mm / inch

1mm-2mm

MAGNET

WASHER

NUT

SPOKE

SET

MODE

Fig 7

the bracket 

and rotate it 

clockwise to 

lock in place 

(Fig. 6). You 

should feel the 

computer head 

click securely 

into the bracket.

STEP 3:  

Using 

the included 

zip-ties, loosely 

mount the 

transmitter (so 

that you can 

slide it around) 

to the fork blade 

on the same 

side of the bike 

as the computer 

(Fig. 7 & 8). 

The Nashbar 

Tempo Wireless 

transmission 

range is 24” 

(60cm). The 

transmitter must 

be mounted 

within 24” of 

the computer 

in order for 

the computer 

to receive the 

signal. We 

recommend 

mounting the 

transmitter 

to the front 

(leading) edge 

of the fork 

blade to avoid 

problems in the 

event that the 

transmitter contacts the spokes during a ride.

STEP 4: 

 Attach the wheel magnet loosely 

to one of the spokes on the same side of the 

wheel as the transmitter. Adjust the position 

of the magnet and transmitter so that the 

magnet passes the alignment mark on the 

signal from the transmitter or the reading will 

be inconsistent and erratic. Most problems 

that occur when installing a new computer are 

related to magnet and transmitter alignment 

and spacing.

STEP 5:

  Once the transmitter and wheel 

magnet are aligned properly, securely tighten 

both in place. Trim the excess zip-tie ends 

from the transmitter with scissors or fingernail 

clippers.

STEP 6: 

 Test the unit to make sure 

everything is adjusted and working properly. 

Pick up the front end of the bicycle and spin 

the front wheel. The computer should register 

a speed reading within 1-2 seconds. If not, 

check the alignment of the wheel magnet and 

transmitter and make sure the space between 

the two is 2mm or less. Adjust as necessary 

and re-test.

SELECT WHEEL SIZE       OR

If you switch your computer between bikes 

with different wheel sizes, don’t forget to 

select the appropriate wheel size setting 

before each ride.

STEP 1:

  In the Total Odometer display 

screen (ODO), hold the SET button for 4 

seconds to enter set-up mode.

Fig 8

Fig 9

1111-1   BN-TEMPW   Made in Taiwan

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