Manual Ascent Delta HR Cycling Computer

Manual

STEP 4: Attach the wheel magnet loosely to one of the spokes

on the same side of the wheel as the sensor. Adjust the

position of the magnet and sensor by sliding both pieces up

or down to achieve 1-5mm of clearance between the two.

See Figure 5. If the magnet and sensor are not close enough,

the computer will not pick up a reading or the reading will

be inconsistent and erratic. Most problems that occur when

installing a new computer are related to magnet and sensor

alignment and spacing.

STEP 5: Once the installation procedure is complete, 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

sensor, and make sure that the space between the magnet and

sensor is 5mm or less. Adjust as necessary and re-test.

USING THE

HEART RATE MONITOR

1. Position the chest transmitter below the breast/pectoral

muscles as shown in Figure 6. Adjust the tightness of the

transmitter strap to achieve a snug, comfortable fit.

2. Use your maximum heart rate (MHR) and fitness goals to

select a target zone. The formula commonly used to determine

maximum heart rate for most individuals is: MHR = 220 – Age.

Target Zones:

50% - 60% MHR: Exercise in this zone to warm up and

burn fat.

60% - 70% MHR: Exercise in this zone to develop basic

endurance and aerobic capacity and burn fat, or to recover

from a more strenuous workout.

70% - 80% MHR: Exercise in this zone to increase

aerobic capacity.

80% - 90% MHR: Exercise in this zone to increase

anaerobic threshold.

3. Target zone settings vary for every individual depending on

age, personal fitness goals, existing medical conditions (high

blood pressure, circulatory or respiratory problems, etc.) and

personal physicians’ recommendations.

SETTING TARGET ZONE LIMITS

If you wish to exercise within a particular target zone and

utilize the out of zone alarm to alert you when your heart

rate rises above or falls below that zone, you must first set

upper and lower target zone limits. See “Using the Heart

Rate Monitor” for more information about determining an

appropriate target zone.

STEP 1: Press the MODE button to advance to the Maximum

Heart Rate (MAXPULSE) display screen. Press and hold the

SET button for 2 seconds to enter the target zone setting

screen.

STEP 2: The target zone upper limit will flash. Press the

SET button (or press and hold) to adjust the value (between

50bpm and 240bpm). Press the MODE button to set the value

and advance to the target zone lower limit.

STEP 3: Press the SET button (or press and hold) to adjust the

value (from the upper limit value minus 10bpm to 30bpm).

Then press and hold the MODE button to return to the Max

Heart Rate display screen.

STEP 4: To activate the audible out of zone alarm, press the

SET button in any display screen. To turn off the alarm, press

the SET button again. Please note, to prevent interference with

the wireless signal, the alarm will only sound when there is no

speed reading (no incoming data from the fork sensor).

OUT OF ZONE ALARM

The out of zone alarm indicates when your heart rate rises

above your target zone upper limit or falls below your target

zone lower limit.

An up arrow to the left of the heart rate value indicates your

current heart rate is above your preset target zone upper limit.

A down arrow indicates your current heart rate is below your

preset target zone lower limit.

An arrow pointing in both directions indicates your current

heart rate is within the upper and lower limits of your preset

target zone.

To activate the audible out of zone alarm, press the SET button

in any display screen. An alarm icon will appear in the display

to indicate the alarm is activated.

PLEASE NOTE: To avoid signal interference, the audible alarm

will sound only when the computer is not receiving data from

the fork sensor (when the front wheel is not moving).

RESET DISPLAY SCREENS

All display screens (except Odometer) are reset

simultaneously. Advance to the Auto Ride Timer (AUTOTIME)

display screen. Press and hold the SET button for three

seconds to reset all display screens to zero.

To reset all display screens including Odometer (TOTALODO)

AND reset all programmed settings (including gender, weight,

clock and wheel size) you must remove the battery from the

computer head. See “Battery Installation.”

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

the computer head and fork sensor batteries at the same time.

CHEST TRANSMITTER

To extend the life of the chest transmitter, avoid scratching

the transmitter electrodes, or unnecessarily flexing or bending

the strap.

FORK SENSOR

Periodically check the alignment of the wheel magnet and fork

sensor and make sure that the space between the magnet and

sensor is 5mm or less. Remove any signs of rust or corrosion

from the magnet to ensure proper function.

CLEANING

The fork sensor, wheel magnet, handlebar bracket and chest

transmitter can all be cleaned with mild soap and water. Do

not use harsh abrasives or petroleum based cleaners to clean

any of the components.

BATTERY INSTALLATION

LOW BATTERY INDICATOR

When the computer head or fork sensor batteries are low, the

low battery icon will appear in the display screen. Make a note

of any data you wish to record (such as odometer reading or

wheel size settings) before replacing the batteries.

1. Chest Transmitter: Remove the screws from the battery

cover on the back side of the transmitter and remove the

cover. Remove the old battery and dispose of properly. Install

a new CR2032 battery with the positive (+) pole facing up.

Replace the cover and tighten the screws.

2. Computer Head: Insert a coin in the battery cover slot on

the back side of the computer head and twist counterclockwise

to remove. Remove the old battery and dispose of properly.

Install a new CR2032 battery with the positive (+) pole facing

up. Replace the cover and turn clockwise to tighten.

3. Fork Sensor: Insert a coin in the battery cover slot on the

back side of the fork sensor and twist counterclockwise to

remove. Remove the old battery and dispose of properly.

Install a new CR2032 battery with the positive (+) pole facing

up. Replace the cover and turn clockwise to tighten.

TROUBLESHOOTING

1. Absent or erratic heart rate

Make sure the chest transmitter strap is properly positioned

and sufficiently tight. Adjust the strap side to side or slightly

up or down to position it on the center of the chest with the

back side of the strap (the electrodes) flat against the skin.

Make sure there is sufficient moisture between the transmitter

electrodes and your skin. Re-moisten the transmitter

electrodes with water, saliva or a signal enhancing gel.

Accumulated dirt or residue may impair electrical contact

between the transmitter and your skin. Make sure the

transmitter electrodes are clean.

Make sure the transmitter battery is installed correctly and

fully charged. If in doubt, replace the battery with a fresh one.

2. Abnormally high or erratic heart rate

Electromagnetic interference may cause abnormally

high or erratic heart rate readings. Common sources of

electromagnetic interference include high voltage power

lines, motor driven equipment, computers, and other wireless

devices. Check your surroundings for possible sources of

electromagnetic signals and move away from the source.

3. Computer display is blank or very light

The computer battery may be low or installed incorrectly.

Make sure the battery is installed correctly, with the positive

(+) pole facing up, or replace the battery with a fresh one.

4. 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.

5. 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 read and record data normally.

6. Absent or erratic speed reading

Check the alignment of the wheel magnet and sensor, and

make sure that the space between the magnet and sensor is

5mm or less. Adjust as necessary and re-test.

Wireless cyclocomputers are occasionally affected

by electromagnetic interference. Common sources of

electromagnetic signals include high voltage power lines,

motor driven equipment and other wireless devices. If you

experience unusually high speed readings, check your

surroundings for possible sources of electromagnetic signals

and move away from the source.

Make sure the computer head and fork sensor batteries are

installed correctly and fully charged. If in doubt, replace both

batteries with fresh ones.

SPECIFICATIONS

Auto Ride Timer: 9 hours, 59 minutes, 59 seconds

Current Speed: Up to 62mph (99.9kmh)

Average Speed: Up to 62mph (99.9kmh)

Maximum Speed: Up to 62mph (99.9kmh)

Trip Distance: Up to 600 mi. (999.99km)

Odometer: Up to 6200 mi. (9999.9km)

Heart Rate Range: 30 bpm—240 bpm

Heart Rate Accuracy: +/- 1 bpm

Calories Burned: Up to 9999 Kcal

Made in Taiwan 300000000919 0806_1

Zip-tie

Alignment

Mark

Sensor

1-5mm

Spoke

Magnet

Fig 5

Transmitter Elastic Strap

Press to fix

Fig 6

06AscentDeltahr_INS.indd 2 8/22/06 3:24:05 PM

Rating

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