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A cyclist symbol appears to the left of the 

speed.  The wheel turns forward          to 

indicate acceleration.  The wheel turns 

backward           to indicate deceleration.

TRIPMETER (DST) 

(Trip Information Reset Mode) 

It is used to remind you for the parts replacement or to lubricate 

the chains and wheels after the peset distance is reached.  

Right after KM/ MILE selection, the preset total distance of 

600km (or miles) will flash, press the RIGHT button to select 

between 200, 400, 600 & 800km (or miles) and press LEFT 

button to confirm.

For example, if 600 km is selected, the spanner (      ) will flash 

whenever the total distance (ODO) reach 600, 1200, 1800km 

(or miles).

Press the LEFT button to stop flashing of spanner(      ).

START / STOP 

Art No.: BC-P3-GB 

FUNCTIONS 

ATTENTION: Computer Functions refer to the packing details. 

FEATURES 

MAINTENANCE PROGRAM 

CLOCK 

(12H / 24H) 

MAXIMUM SPEED (MXS) 

AVERAGE SPEED (AVS) 

TRIP TIMER (TM) 

TEMPERATURE 

ODOMETER SAVE FUNCTION 

MALFUNCTION 

PROBLEM 

SCAN 

FREEZE FRAME MEMORY 

ODOMETER (ODO) 

SPEED COMPARATOR 

(Cadence) 

SPEED TENDENCY 

(Acceleration & Deceleration) 

SPEEDOMETER (SPD) 

WHEEL SIZE INPUT 

KM / MILE SELECTION 

4   5   7   9   13  16 

Speedometer (SPD) 

- 0~99.9 KM/hr or M/hr 

Tripmeter (DST) 

- 0~999.9 KM or M 

Odometer (ODO) 

- 0~9999.9 KM or M 

Auto Trip Timer (TM) 

- 9: 59’ 59” 

Maximum Speed (MXS) 

- 0~99.9 KM/hr or M/hr 

Average Speed (AVS) 

- 0~99.9 KM/hr or M/hr 

Scan 

- for DST, MXS, AVS, TM 

Freeze Frame Memory 

- for TM, AVS, DST 

Speed Comparator 

- (+ or -) 

Speed Tendency            or 

Digital Clock 
12 / 24 hour selectable 

Temperature 

(-10°C to +50°C) 
°C / °F Selection 

Odometer Save Function 

Maintenance Program 

Fig. 2 

COMPUTER 

EL BACKLIGHT (OPTIONAL) 

*EL BACKLIGHT (OPTIONAL)

Slide the computer onto the mounting bracket until it snaps 

firmly into position.  Press the release button to take out the 

computer as shown in  Fig. 1. 

After the wheel size input, the following function is selection of 

kilometers or miles as the measurement for distance.  Press the 

RIGHT button to choose between kilometer (KM) and Mile (M), 

press the LEFT button to confirm. 

To start the unit, press the RIGHT button to turn on the display 

and the wireless mounting system.  To stop the unit, left unused 

for over 5-6 minutes and then the computer will automatically 

switch off to preserve batteries. 

A “+” or “-” sign appears to the right of the 

speed. “+” indicates you are travelling 

faster than your average speed (AVS).  A 

“-” indicates you are riding slower than your 

average speed.

Total distance travelled is indicated by 

ODO and display on the bottom line.  To 

reset ODO, press and hold LEFT and 

RIGHT buttons for 2 seconds or remove 

the battery.  Press the RIGHT button to 

enter DST mode.

Trip distance measurement is indicated by 

DST and is displayed on the bottom line.  

Tripmeter is activated automatically with 

speedometer input.  Reset DST to zero by 

pressing the LEFT button for 2 seconds; 

DST (Trip distance), TM (Trip Timer) & AVS 

(Average Speed) will also be reset at that 

time.  Press the RIGHT button to enter 

MXS mode.

Maximum speed measurement is indicated 

by MXS and is displayed on the bottom 

line.  Maximum speed is stored in memory 

and updated only when a higher speed is 

reached.  To reset MXS, press and hold the 

RIGHT button to enter AVS mode.

Press and hold LEFT button for 2 seconds, 

” °C ” will start to flash.  Press RIGHT 

button to select “ °C” or “ °F” and press 

LEFT button to confirm.

Press RIGHT button to enter the Scan 

mode.

The EL backlight can be turned on either as follows: 

1) Holding the RIGHT button for 2 seconds, the EL light will be  

  turned on for 8 seconds and the computer will then go to fast  

  scan mode with trip distance, maximum speed, average 

  speed and trip timer displayed once. 

2) Press once on the LEFT Button, the EL light will be turned  

  on for 4 seconds and the comuter will go to the freeze frame  

  menory mode as well. 

Inaccurate maximum 

speed reading 

 

No speedometer 

reading 

 

 

 

Slow display 

response 

 

Black display 

 

 

No trip distance 

reading alignment 

 

 

Display shows 

irregular figures 

Unknown atmospheric or RF 

interference 

 

Improper magnet/transmitter 

alignment 

Check battery and correct 

installation 

 

Temperature outside of operating 

limits (0-55 °C) 

 

Temperature too hot, or display 

exposed to direct sunlight too long 

 

Check correct transmitter / magnet 

Check battery and correct 

installation 

 

Take out computer battery and 

install again 

The Scan mode allows DST, MXS, AVS 

and TM to cycle on the screen without 

pressing any keys.  Press the RIGHT 

button to enter the Clock mode.

Press the LEFT button,  Freeze Frame 

Memory can lock the display at the end of a 

ride segment and information TM, DST and 

AVS which will be flashing, can be read at a 

later time by pressing the RIGHT button.  

To release the memory, press the LEFT 

button until the display digit is static again.  

This is particularly useful when crossing 

the finish line of a time trial, since the TM 

cannot be stopped manually.

The SAVE function allows you to keep the 

important data of total distance (ODO) 

even after replacement of battery. 

To set ODO, after battery replacement and 

wheel size setting, press RIGHT button to 

ODO mode and then press and hold LEFT 

button for 2 seconds until the last digit 

flickering.  To adjust number, press the 

RIGHT button.  Press the LEFT button to 

confirm.  Repeat above sequence to reach 

the desired odometer value.  Press the 

LEFT button again to return to normal ODO 

mode. 

Average Speed measurment is indicated 

by AVS and is displayed on the bottom line.  

AVS is calculated with the Trip Timer (TM), 

so AVS is the average speed only while 

riding.  Press the RIGHT button to enter TM 

mode.

Trip timer measurement is indicated by TM 

and is displayed on the bottom line.  Trip 

Timer is activated automatically with 

speedometer input [On when you ride and 

off when you stop.]  It records only the time 

spent actually riding.

Reset TM to zero by pressing the LEFT 

button for 2 seconds in DST mode.  Press 

the RIGHT button to enter Temperature 

mode.

A 12 or 24-hour digital clock is indicated by 

the flickering colon on the bottom line.  To 

switch between the 12 and 24 hour format 

or to adjust time, press the LEFT button for 

2 seconds.  “24H” will start to flicker.  Use 

the RIGHT button to select “12H” 

for12-hour format or “24H” for 24-hour 

format.  Press the LEFT button to confirm.  

Next the hour digits will start to flicker.  Use 

the RIGHT button to select the hour. To 

change minutes, press LEFT button again.  

The minutes will start to flicker.  Use the 

RIGHT button to select the minutes.  Press 

the LEFT button once more to return to 

CLOCK Mode.  Press the RIGHT button to 

enter ODO mode.

Instantaneous Speed is indicated on the 

top line.  The range of measurement is 

from 0 to 99 KM/ hr [0 to 99 M/ hr] and 

accuracy is ± 0.5 KM/ hr [M/ hr].

Press and hold LEFT and RIGHT buttons for 2 seconds or after 

the replacement of battery, the unit is switched to wheel size 

input mode.  Multiply wheel diameter, d (Fig. 2) in millimeters by 

3.1416 to determine wheel factor, c. 

Press the LEFT button to select digit to be input and the RIGHT 

button to adjust the digit to the desired number (hold for fast 

advance).  Press the LEFT button again to KM/MILE selection. 

(Note: removing battery will erase Wheel Size Input) 

 

distance in millimeter 

per one turn 

For convenience you can refer to the chart of wheel diameter 

size factor inputs. 

ATTENTION !! Refer to the appendix for installation reference. 

Release 

Fig. 1 

USER’S MANUAL

IMPORTANT: Please read this leaflet carefully before using 
your device.

Rouleur 11

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