Manual Halfords 151624 8 Function Cycling Computer

Manual

TM: Riding Time 0H00M00S-19H59M59S, 1 Second, +/- 0.05%

The TM totals the riding time from the last RESET operation.

AVG: Average Speed 0.0–199.9KM/h (120.0 M/h), 0.1KM/h (M/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 0.0–199.9KM/h (120.0 M/h), 0.1KM/h (M/h), +/- 1%

It shows the highest speed from the last RESET operation.

TTM: Total Riding Time 0H00M–1999H59M, 1 Minute, +/- 0.05%

The TTM totals the riding time from the last ALL CLEAR operation.

ODO: Odometer 0.0–19999.9Km (Miles), 0.1Km (Mile), +/- 0.1%

The ODO accumulates the total distance as long as the bike is moving. The ODO data can be

cleared by 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, , 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.

BUTTON AND OPERATIONS

AUTOMATIC START/STOP

1. The computer will automatically begin counting , 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.

4403000000_20090423_v1

2s

2s 4s 6s

2s 4s 6s

DST CLOCK TM AVG MAX TTM ODO / ODO

6s

8 FUNCTIONS: SPD, DST, ODO, CLK, AVG, MAX, TM, SCAN.

10 FUNCTIONS: SPD, DST, ODO, CLK, AVG, MAX, TM, TTM, SCAN, SPEED PACER.

MAIN UNIT SETUP (Fig.1) English

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 flickering “KM/h” and

“c2155” will be displayed.

l 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 M/h as desired.

2. CIRCUMFERENCE DATA SETTING

1). The default is set at 2155mm. Measure the value for your wheel (Fig. a) or refer to

the quick table provided in the manual for your bicycle. (Fig. b)

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). When set up is complete, hold down the "mode" button for 6 seconds until main

screen appears (fig 2).

FUNCTIONS (Fig. 2)

: Current Speed 0.0–199.9KM/h (120.0 M/h), 0.1KM/h (M/h), +/- 1%

The current speed is always displayed on the 4 digits set when riding.

DST: Trip Distance 0.00–999.99Km (Miles), 0.01Km (Mile), +/- 0.01%

The DST function accumulates the distance data from the last RESET operation as long

as the bicycle is being ridden.

: 12HR Clock 1H00M00S-12H59M59S, 1 Second, +/- 0.05%

It displays the current time in 12HR clock.

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.

(Fig. 2)

ALL CLEAR OPERATION (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 blank, then release it. The computer

will RESET the DST, TM, AVG, MAX.

2. It cannot reset , TTM and ODO data.

RECALIBRATION (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 recalibration.

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.

BATTERY CHANGE (Fig. c)

1. When the brightness of the LCD display is dim, it means that the battery is nearly exhausted.

2. Replace 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.

l TROUBLE SHOOTING

Check the following before taking unit for repair.

l 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.

PROBLEM

CHECK ITEMS SOLUTION

1. Replace the battery.

2. Be sure that the positive pole of

the battery is facing the battery cap.

1. Refer to the adjusting procedure

and complete the adjustment.

2. Wipe contacts clean.

3. Refer to (Fig. B3) and (Fig. B4) and

readjust data correctly.

4. Repair or replace wire.

5. Refer to "CALIBRATION" and enter

correct value.

Refer to the "MAIN UNIT SETUP" and

initiate the computer again.

Place main unit in the shade to return

to normal state.

No adverse effect on data.

Unit will return to normal state when

the temperature rises.

1. Is the battery dead?

2. Is there incorrect battery

installation?

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?

Did you leave main unit under

direct sunlight when not riding

the bike for a long time?

Is the temperature below 0°C

(32°F)?

No display

No current

Speed or

incorrect

data

Irregular

display

LCD is

black

Display is

slow

AC

4

c.

Tire Size

Circumference

Number

Tire Size

Circumference

Number

Tire Size

Circumference

Number

18 Inch 1436 mm

20x1.75 1564

20 Inch 1596

22 Inch 1759

ATB 24x1.75 1888

24 Inch 1916

24x 13/8 1942

ATB 26x1.40 1995

ATB 26x1.50 2030 mm

ATB 26x1.75 2045

26Inch (650A) 2073

ATB26x2.0(650B) 2099

700C TUBULAR 2117

700x20C 2092

700x25C 2124

700x28C 2136

POPULAR TIRE CIRCUMFERENCE REFERENCE TABLE

b.

27 Inch (700x32c) 2155 mm

700x35C 2164

700x38C 2174

27.5 Inch 2193

28 Inch (700B) 2234

28.6 Inch 2281

1~3~11~3~1

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