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English
UNION-5N
has 5 FUNCTIONS:
SPD, DST, ODO, CLK, SCAN.
UNION-8N
has 8 FUNCTIONS: SPD, DST, ODO, CLK, AVG, MAX, TM, SCAN.
UNION-10N
has 10 FUNCTIONS:
SPD, DST, ODO, CLK, AVG, MAX, TM, TTM, SCAN, SPEED PACER.
FUNCTIONS
SPD: Current Speed
0.0 – 199.9 Km/h or 120.0 Mile/h +/- 1%
The current speed is always displayed on the 4 digits set when riding.
DST: Trip Distance
0.00 – 999.99 Km or Miles +/- 0.1%
The DST function accumulates the distance data from the last RESET operation as long as the bicycle is
being ridden.
CLK: 12HR Clock
It displays the current time on a 12HR clock.
TM: Riding Time 0H00M00S - 19H59M59S
The TM totals the riding time from the last RESET operation.
AVG: Average Speed
0.0 – 199.9 Km/h or 120.0 Mile/h +/- 0.1%
1. It is calculated from the DST divided by the TM; the average data counted is from the last RESET to current points.
2. It displays an "Err" symbol when either the TM is over 100 hours or the DST is over 1,000 km (or miles).
Reset the unit in order to restart.
MAX: Maximum Speed
0.0 – 199.9 Km/h or 120.0 Mile/h +/- 1%
It shows the highest speed from the last RESET operation.
TTM: Total Riding Time
0H00M – 1999H59M
The TM totals the riding time from the last ALL CLEAR operation.
ODO: Odometer
0.0 – 19999.9 Km or Miles +/- 0.1%
The ODO accumulates the total distance as long as the bike is moving. The ODO data can be cleared by the
ALL CLEAR operation only.
:
SCAN
1. Auto-Scanning Display Mode
Press the MODE button till the“
” symbol is displayed. The computer will change the DST, CLK, TM, AVG,
MAX, TTM and ODO display modes in a loop sequence automatically every 6 seconds.
2. Fixed Display Mode
Press the MODE button to turn off the “
” symbol and select a desired display mode; the computer will
stop the auto-scanning display operation and the display mode is set.
/ Speed Pacer
It flashes the “
” speed pacer arrow while the current speed is higher than the average speed and the down
arrow “
” flickers conversely.
MAIN UNIT SETUP (Fig.1)
INITIATE THE COMPUTER
1. Be sure to press the All Clear (AC) key to clear all stored data and initiate the computer before using it
or when replacing battery otherwise the unit may malfunction.
2. The LCD segments will be tested automatically after the All Clear key is pressed.
3. Press the “MODE” button to stop the LCD test, then the flicking “KM/h” and “c2155” will be displayed.
CALIBRATION
1. UNIT SELECTION
1). Press the “MODE” button to select “KM/h” or “M/h”(Mile/h).
2). Hold the “MODE” button till the flickering digit is changed to the digit “2” of the c2155 to recognize either
KM/h or Mile/h as desired.
2.
CIRCUMFERENCE DATA SETTING
1). The default is set at 2155mm. Measure the value for your wheel
(Fig. 5)
or refer to the quick table (Fig. 6)
2). A quick press of the “MODE” button advances the flickering digit by 1.
3). To change the flickering digit, hold down the “MODE” button till the flickering digit moves to the next digit.
4). Hold down the “MODE” button
till (about 6 seconds) it jumps out the setting to store the desired data
and complete setup.
BUTTON and NORMAL OPERATIONS
AUTOMATIC START/STOP
1. The computer will automatically begin counting SPD, ODO, DST, MAX, TTM, TM and AVG data upon
riding and stop counting data when riding is stopped.
2. The flickering symbol “ ” indicates that the computer is at START status.
POWER AUTO ON/OFF
To preserve battery, this computer will automatically switch off when it has not been used for about 10
minutes. The power will be turned on automatically by riding the bicycle or by pressing the button.
MODE BUTTON
Quickly press this button to move in a loop sequence from one basic function screen to another.
ALL CLEAR OPERATIONS (Initiate the Computer)
Press the ALL CLEAR (AC) key to initiate the computer or use ALL CLEAR if any irregular data appears. It
will clear all stored data.
RESET OPERATION
1. Hold down the “MODE” button
till the LCD digit is blanked, then release it. The computer will RESET the
DST, TM, AVG, MAX.
2. It cannot reset CLK, TTM and ODO data.
RECALIBRATIONS (Fig. 3)
1. Change the LCD display to ODO screen, hold down the “MODE” button till (about 6 seconds) it jumps into
the calibrating screen.
2. Refer to the main unit setup process to adjust the circumference.
3. Hold down the “MODE” button
till (about 6 seconds) it jumps out the recalibration mode to store the desired
data and complete recalibrations.
12HR CLOCK SETTING (Fig. 4)
1. Change the LCD display to “
” screen.
2. Press the “MODE” button
till (about 6 seconds) it jumps into the clock adjusting screen to set the clock.
3. A quick press of the “MODE” button advances the flickering digit by 1.
4. To change the flickering digit, hold down the “MODE” button till the flickering digit moves to the next digit.
5.
Hold down the “MODE” button
till (about 6 seconds) it jumps out the setting to store the desired
data and
complete clock setting.
MAIN UNIT MOUNTING (Fig. 7)
1. Mount the main unit onto the bracket by sliding it from front to rear till it clicks into position.
2. This bracket is designed with a lock lever. It can lock up the main unit, ensuring that the main unit
will not drop out while riding.
3. To remove the main unit, press down on the lock lever of the bracket then pull the main unit
forward and off.
BATTERY CHANGE (Fig. 8)
1. When the brightness of the LCD display is dim, it means that the battery is nearly exhausted.
2. Replace with a new LR44
(Cross reference type A76, AG13 or V13GA) battery in the
compartment on the back of the computer with the positive (+) pole toward the battery cap.
PRECAUTIONS
1. This computer can be used in the rain but should not be used under water.
2. Don’t leave the main unit exposed to direct sunlight when not riding the bike.
3. Don’t disassemble the main unit or it’s accessories.
4. Check relative position and gap of sensor and magnet periodically.
5. Clean the contacts of the bracket and the bottom of the main unit periodically.
6. Don’t use thinner, alcohol or benzine to clean the main unit or its accessories when they become dirty.
7. Remember to pay attention to the road while riding.
TROUBLE SHOOTING
Check the following before taking unit in for repairs.
PROBLEM
CHECK ITEMS
REMEDY
No display
1.Is the battery dead?
2.Is there incorrect battery installation?
1.Replace the battery.
2.Be sure that the positive pole of the battery
is facing the battery cap.
No current Speed or
incorrect data
1.Is it at the recalibrating or 12HR clock setting
screen?
2.Are the contacts between the main unit and the
bracket poor?
3.Are the relative positions and gap of sensor and
magnet correct?
4.Is the wire broken?
5.Is the circumference correct?
1.Refer to the adjusting procedure and
complete the adjustment.
2.Wipe contacts clean.
3.Refer to
(Fig.C)
and readjust data
correctly.
4.Repair or replace wire.
5.Refer to "CALIBRATION" and enter correct
value.
Irregular display
Refer to the "MAIN UNIT SETUP" and initiate
the computer again.
LCD is black
Did you leave main unit under direct sunlight w
hen not
riding the bike for a long time?
Place main unit in the shade to return to normal
state.
No adverse effect on data.
Display is slow
Is the temperature below 0
°C (32
°F)?
Unit will return to normal state when the
temperature rises.
LCD
SEGMENTS
AUTO TEST
MODE
AC
2
4
5N :SPD,CLK,DST,SCAN,ODO 8N :SPD,DST,CLK,TM,AVG,MAX,SCAN,ODO 10N :SPD,DST,CLK,TM,AVG,MAX,T_TM,SCAN,ODO
5N /8N /10N
Tire Size
Circumference
Nunber
Circumference
Nunber
Tire Size
18 Inch 1436 mm ATB26x2.0(650B) 2099 mm
20x1.75 1564 700C TUBULAR 2117
20 Inch 1596 700x20C 2092
22 Inch 1759 700x25C 2124
ATB 24x1.75 1888 700x28C 2136
24 Inch 1916 27 Inch(700x32c) 2155
24x 13/8 1942 700x35C 2164
ATB 26x1.40 1995 700x38C 2174
ATB 26x1.50 2030 27.5 Inch 2193
ATB 26x1.75 2045 28 Inch (700B) 2234
26Inch (650A) 2073 28.6 Inch 2281
POPULAR TIRES CIRCUMFERENCE REFERENCE TABLE
L
ock lever
Press
CLICK
7.
8.
COIN
Main unit mounting
Battery change
1.5V
LR44
Battery cap