Manual Ascent Delta V Cycling Computer

Manual

Clamp the magnet on the spoke of front wheel with the screw

provided and attach the sensor to the right fork by using cable

ties as shown in Fig. 2. Make sure the arc of magnet inter-

sects the alignment mark on the sensor with 2mm clearance

as shown in Fig. 3. Make sure transmitter is no further than

60cm from the computer head

FEATURES

Congratulations on your purchase of the Ascent Delta V cycle

computer. Packed with all the features that a professional

rider needs to keep track of a workout, the Delta V is a perfect

training tool for any cyclist.

Delta V

(

δδ

V) Cycle

Computer

Owner's

Manual

INTRODUCTION

Attach the mounting bracket

to the right side of the han-

dlebar by using a screwdriv-

er as shown in Figs. 4a & 4b.

Make sure the mounting

bracket is clamped tightly

and will not slip on the han-

dlebar with the rubber shims

provided. Adjust the position

of the mounting bracket as

shown in Fig 5 and fix it by

locking the 3 screws tightly.

Figure 4a

Figure 5

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. 6.

Auto Start/Stop

To preserve batteries, the cycle computer will automatically

switch off if the unit is left unused for over 5 to 6 minutes.

Display will reappear with a press on either button or input

from the sensor.

Figure 6

Press and hold LEFT and

RIGHT buttons for 2 sec-

onds or after the replace-

ment of battery, the unit

will switch to wheel size

input mode. Multiply wheel

diameter, D (Fig. 7) in mil-

limeters 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 advance to

KM/MILE selection. (Note:

Removing battery will

erase Wheel Size Input)

KM/MILE Selection

After the wheel size input,

the following function is

selection of units for dis-

tance (Km or miles). Press

the RIGHT button to

choose between Kilometer

(KM) and Mile (M), press

the LEFT button to confirm.

Malfunction Problem

No speedometer reading Improper magnet/sensor alignment

Slow display response Temperature outside of operating limits

(0-55 degrees C)

Black display Temperature too hot, or display exposed

to direct sunlight too long

Display readout fades Poor battery contacts or dead battery

No trip distance reading Check correct sensor/magnet alignment

Check battery and correct installation

Display shows Take out battery and install again

irregular figures

Speedometer

Instantaneous Speed is indicated on the top line.

The range of measurement is from 0 to 99KM/hr

(0 to 99M/hr) and accuracy is + /-0.5KM/hr (M/hr).

Odometer (ODO)

Total distance traveled is indicated by ODO and

displayed 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.

Tripmeter (DST)

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. NOTE: TM (Trip Time) and AVS

(Average Speed) will also be reset at that time.

Press the RIGHT button to enter MXS mode.

Maximum Speed (MXS)

Maximum speed measurement is indicated by

MXS and is displayed on the bottom line.

Maximum speed is stored in memory and updates

only when a higher speed is reached. To reset

MXS mode, press and hold the LEFT button in

the MXS mode. Press the RIGHT button to

enter AVS mode.

Average Speed (AVS)

Average Speed measurement is indicated by AVS

and is displayed on the bottom line. AVS is calcu-

lated using the Trip Timer and Tripmeter. Press

the RIGHT button to enter TM mode.

Trip Timer (TM)

Trip timer measurement is indicated by TM and is

displayed on the bottom line. Trip Timer is activat-

ed automatically with speedometer input (when

the front wheel is turning). It records only the time

spent actually riding. Reset TM to zero by press-

ing the LEFT button for 2 seconds in DST mode.

Scan (SCAN)

The scan mode allows DST, MXS, AVS and TM to

cycle on the screen without pressing any keys.

Press and hold the RIGHT button for two seconds

in any mode screen to cycle through each mode

screen one time. Or, press the RIGHT button in

the TM mode screen to enter continuous scan

mode.

Freeze Frame Memory

(Flashing Display)

This feature allows you to store a snapshot of the

display for an extended period of time. This fea-

ture is useful at the end of a race, allowing you to

hold a record of your time, distance, average

speed and maximum speed.

Activate Freeze Frame Memory

In any mode, press the LEFT button. The display

will flash, indicating the freeze frame feature is

activated. You may now toggle through the display

screens by pressing the RIGHT button.

Deactivate Freeze Frame Memory

Press the LEFT button again to deactivate freeze

frame memory and return to normal operation.

Odometer Save Function

The SAVE function allows you to keep the impor-

tant data of total distance (ODO) even after bat-

tery replacement. To set ODO after battery

replacement and wheel size setting, press RIGHT

button to advance to ODO mode and then hold

LEFT button for 2 seconds until the last digit is

flashing.

To adjust number, press the RIGHT button and

then press the LEFT button to confirm and select

digit to be input. Repeat this sequence to reach

the desired odometer value. Press the LEFT but-

ton again to return to normal ODO mode.

COMPUTER FUNCTIONS

For reference you can refer to the function table of your com-

puter’s features as stated on the box.

Functions:

Speedometer (0-99.9 Km/hr or M/hr)

Tripmeter (Up to 999.99 Km or M)

Odometer (Up to 999.9 Km or M)

Auto trip timer (99:59'59")

Maximum Speed (up to 99.9 Km/hr or M/hr)

Digital Clock

12/24 hour Selectable

Average Speed (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

Odometer Save Function

Computer:

Remove the battery cover from the

bottom of the computer using a

small coin. Install the 3V battery

with positive (+) pole facing the

cover as in Fig. 1a. If the LCD

shows irregular figures, take out

the battery and install again. This

will clear and restart the computer’s

microprocessor.

Transmitter:

Remove the battery cover from the

top of the transmitter using a small

coin. Install the 12V battery with pos-

itive (+) pole facing the battery cap.

Replace the cap and be sure it is

tight to prevent moisture leakage.

See Fig. 1b

Computer

Battery

3V/CR2032

Figure

1a

BATTERY INSTALLATION

SENSOR INSTALLATION

Rubber Shims

Cable Ties

Transmitter

Front Wheel

Spoke

Magnet

2mm Max

Figure 3

Mounting

Bracket

Magnet

Rubber Shims

Cable

Ties

Included

Accessories

Computer

Battery

3V/CR2032

MOUNTING BRACKET

Figure 4b

COMPUTER

WHEEL SIZE INPUT

COMPUTER FUNCTIONS

Clock (12H/24H)

A 12 or 24-hour digital clock is displayed in

the lower row of the screen. To switch

between the 12 and 24 hour format or to

adjust time, advance to the clock mode and

press the LEFT button for 2 seconds. “24H”

will start to flash. Use the RIGHT button to

select “12H” for 12 hour format or “24H” for

24-hour format. Press the LEFT button to con-

firm. Next the hour digits will start to flash.

Use the RIGHT button to select the hour. To

change minutes, press LEFT button again.

The minutes will start to flash. 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.

Speed Comparator

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

speed. “+” indicates you are traveling faster

than your average speed (AVS). A “-”

indicates you are riding slower than your

average speed.

Speed Tendency

(Acceleration & Deceleration)

A cyclist symbol appears to the left of the

speed. The wheel turns forward to indicate

acceleration. The wheel turns backwards to

indicate deceleration.

Chapel Hill, NC Made in Hong Kong, V.2 – March 2003

For convenience you can

refer to the chart of wheel

diameter size factor inputs.

Figure 7

Transmitter

Battery

12V/VR22

L1028/A23

/

3

)

Figure

1b

Transmitter

Battery

12V/VR22

L1028/A 23

Alignment

Mark

Computer

60cm

Figure 2

Delta V Instructions_4 3/20/03 5:42 PM Page 1

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