Silva ADC Pro User Manual

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User Manual

1.0 General Guide

Thank you for purchasing your new ADC.
We recommend reading this manual, and
practicing the operations before using your
ADC in the field.

The ADC is designed to provide you with
information essential to your needs. Data
such as temperature, wind speed, barometric
pressure, altitude and humidity are features
specific to four different ADC models: Wind,
Summit, Pro and JetSet.

Each ADC model is constructed to withstand
water submersion and is ideal for conditions
you endure during outdoor activities such as
hiking, climbing, hunting, kayaking, skiing,
and racing. Every ADC also includes current
time, daily alarm, chronograph and race
timer functions. ADCs are equipped with a
propeller and other precise sensors to
measure outdoor conditions.

WARNING !

!

Make sure that you fully understand the
functions and limitations of the ADC
before relying on it.

!

The ADC is an assisting device for the
outdoor user, and is not a substitute for
weather advisories from a weather
station. It is helpful to check the
readings provided by this product
periodically with those broadcasted by
the weather station.

2.0

Prevent getting dirt in the ADC propeller. It
could clog the mechanism.

Avoid exposing this product to extreme heat
or extreme cold for an unreasonable amount
of time.

Avoid severe impacts to the ADC.

Store the ADC in a dry place when it is not in
use.

Clean the ADC with a soft moistened cloth
occasionally.

DO NOT expose the ADC to strong
chemicals such as gasoline and alcohol, as
they will damage this product.

Care and Maintenance

3.0 Part description

North Orientation
blade (RED)

1st row

2nd row

3rd row

4nd row

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Display

Infrared Port
(send data from this
product to PC via
this port)

Detachable
Belt Clip

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[set]

Propeller

[mode]

Buttons

Propeller
blades

[light]

[reset]

4.0 Button Operation Summary 1

[mode]

[mode] Button

Press the mode button to select among the

major function modes

In function modes: Press and hold the mode

button to select setting display

In any setting display: Press the mode button to

select among different settings. Press and
hold the mode button to exit setting sequence.

[set]

Note:

The button operations are
summarized in the following
paragraphs, for detail operating
instructions, please continue
reading.

[set] Button

In Current Time Mode: press the set button to

select the Daily Alarm Display.

In Daily Alarm Mode: Press the set button to

switch the daily alarm between ON and OFF.

In Chronograph Mode and Race Timer Mode:

Press the set button to start or stop the
counting.

In Lap Time Recall Mode: Press the set button

to select the available lap time(s).

In setting displays: press the set button to scroll

the through the settings.

4.1 Button Operation Summary 2

[light]

[reset]

Note:

The button operations are
summarized in the following
paragraphs, for detail operating
instructions, please continue
reading.

[reset] Button

In Chronograph Mode (counting): Press the

reset button to get Lap Time Display.

In Chronograph Mode (stop-counting): Press

the reset button to reset the display to zero.

In Timer Mode (stop-counting): Press the

reset button to reset the timer to target time.

In Lap Time Recall Mode: Press the reset

button to select the available lap time(s).

In setting displays: press the reset button to

scroll the through the settings.

[light] Button

In any functional mode/display, press the light

button once to turn ON the EL backlight for
about 3 seconds.

5.0 Major Functional Modes

BARO hPa

TEMP C8

WIND mph

28.31001.3 21.3

18.2 13.2

Barometer Mode

[mode] [mode] [mode] [mode]

ALTITUDE m

Temperature Mode

[mode] [mode] [mode]

HUMIDITY

H.INX 50.2 C8

144 88.2%

734 80 44.0 62.288CC

Altitude Mode Humidity Mode Data Log Mode

18.3 8.3

DATALOG
06 MAR 2003

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r001-0023

Sensor Function

Major Functional Modes

[mode][mode][mode]

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Current Time ModeWind Mode

RACE TIMER

0:10.00

Race Timer Mode

[set]

DAILY ALARM

ON

12:00

Daily Alarm Mode

CHRONO

GRAPH

0:00.00

Chronograph Mode

00

Time Function

6.0

Current Time Mode - Functional Displays

Functional Displays

Weather
Forecast
Symbol

Current
Time

Relative
Humidity

Weather Forecast Display

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ALTITUDE:

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88.2%

Altitude Display

BAROMETER:

1001.3h Pa

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88.2%

Barometer Display

THU

5 Seconds

57m

5 Seconds5 Seconds

Date

Day of week

Current
Temperature

Mode
Indicator

Current
Altitude

Mode
Indicator

Current
Barometric
Pressure

Current Time Mode includes three different

!

displays: the Weather Forecast Display,
Altitude Display and Barometer Display.

The above displays rotate through every 5

!

seconds.
The current time, relative humidity and current

!

temperature appear on the 3rd and 4th row of
the display respectively.

Weather Forecast Display

In Weather Forecast Display, the weather

!

forecast symbol and day of week appear on
the 1st and 2nd row of the display respectively.
Check the coming 'Weather Forecast
Symbols' section below for more detail on the
means of the weather forecast symbols

Altitude Display

The indicator ' ' appears on the 1st row

!

of the display. The altitude at the current
location appears on the 2nd row of the display.

Barometer Display

The indicator ' ' appears on the 1st

!

row of the display. The current barometric
pressure appears on the 2nd row of the
display.

ALTITUDE

BAROMETER

Current Time Mode

6.1

Current Time Mode - Setting the Current Time Mode

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Current Time Mode

hold

[mode]

scroll through

the settings by

increment

scroll
the setting at
a faster pace

scroll through

the settings by

decrement

scroll
the setting at
a faster pace

hold

[mode]

[reset]

hold [reset]

hold [set]

reset Second tozero

'12' changes to'24';
'24' changes to'12'.

[set]

or [reset]

12/24

hour

[mode]

[set]

Current Time Setting Sequence

year

or [reset]

[mode]

[mode]

[mode]

[mode]

[set]

second

[mode]

minute

month

[mode]

date

To Select Setting Display

!

Setting the current time and date, and their
display formats, press and hold the [mode]
button for about 2 seconds to select the
setting display (the '12' indicator will start
flashing).

The Setting Sequence

In setting display, press the [mode] button to

!

move the setting following the adjacent
diagram.

When the ' ' or ' ' digits starts flash,

!

12 24

press the [set] or [reset] button to switch
between ' ' (12 hour format) and ' ' (24
hour format). When the ' ' digits starts

12 24

second

flash on the display, press [set] or [reset]
button to reset the second to zero.

If one of the settings (minute, hour, year,

!

month, date) starts flash, press the [set] or
[reset] button to scroll through the setting
(hold down the button to scroll the setting at
a faster pace).

When the above settings finished, press and

!

hold the [mode] button for about 2 seconds
to exit the setting sequence.

6.2

Current Time Mode - Weather Forecast Symbols

Weather Forecast Symbols

Sunny Partial

Cloudy

Cloudy Rainy Stormy

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Weather Forecast Display

Current Time Mode

Note:

! When the ADC has been reset or the battery

has been replaced, partial cloudy symbol will
be displayed. To get an accurate weather
forecasting, the ADC must stay at the same
altitude for over 12 hours.

Weather Forecast Symbol

!

The ADC includes a weather forecast function
that predicts the weather for the next 12 hours.

!

The ADC will display the forecasted weather
by the weather forecast symbol. There are five
kind of weather forecast symbols, they are the
Sunny, Partial Cloudy, Cloudy, Rainy and
Stormy.

What Does the Weather Forecast Symbol
indicate

A 'Sunny' symbol generally indicates

!

improving weather or sunny weather ahead.
A 'Partial Cloudy' symbol generally indicates

!

slightly cloudy weather ahead.
A 'Cloudy' symbol generally indicates

!

deteriorating weather or cloudy weather
ahead.

A 'Rainy' symbol generally indicates adverse

!

weather or rainy weather ahead.
A 'Stormy' symbol generally indicates stormy

!

weather ahead.

7.0 Daily Alarm Mode - Daily Alarm Display

Alarm ON
Indicator

DAILY ALARM

ON

12:00

Alarm ON Display

[set]

DAILY ALARM

OFF

--:--

Alarm OFF Display

Daily Alarm Mode

Mode indicator

Alarm ON/OFF
Status

Alarm time

Daily Alarm Display

In Daily Alarm Mode, the display will show

!

the following:

1) The mode indicator ' ' appears

DAILY ALARM

on the 1st row of the display.

2) The ' ' or ' ' status indicator appears

ON OFF

on the 2nd row of the display.

3) The alarm time (hour and minute) appears
on the 3rd row of the display.

To Select Daily Alarm between ON and OFF

!

To select the daily alarm between ON and
OFF, press the [set] button once.

!

When the daily alarm is ON, the Alarm ON
Indicator ' ' appear otherwise it is OFF.

Daily Alarm Sound

!

When the daily alarm is ON, the product will
beep at the predefined alarm time for about
30 seconds.

!

When the beep sounds, it can be stopped
prematurely by pressing any of the buttons
except the [light] button.

7.1 Daily Alarm Mode - Setting the Daily Alarm Mode

To Select the Setting Display

!

Setting the Daily Alarm Time, press and

DAILY ALARM

ON

12:00

Daily Alarm Mode

hold

[mode]

hold

[mode]

scroll the

setting by

increment of 1

[reset]

Daily Alarm Mode
Setting Sequence

[set]

scroll the

setting by

decrement of 1

[mode]

[mode]

scroll

the setting

faster

hold

[reset]

HourMinute

hold [set]

scroll

the setting

faster

hold the [mode] button for about 2 seconds
to select the setting display (the 'minute'
digits will start flashing).

The Setting Sequence

In setting display, press the [mode] button to

!

move the setting between minute and hour
settings.

When one of the settings (minute and hour)

!

digits start to flash on the display, press the [set]
or [reset] button to scroll through the setting
(hold down the button to scroll the setting at a
faster pace).

When the setting finished, press and hold the

!

[mode] button to exit the setting sequence.
The setting display will change to Current Time

!

Mode automatically if no key-stoke has been
activated for about 1 minute.

8.0 Chronograph Mode - Chronograph Display

Chronograph Function

Mode Indicator

Chronograph
Time (hour)

Chronograph
Time (minute)

1. Elapsed time

2. Accumulative
elapsed time

3. Lap time

Elapsed Time, Accumulative Elapsed Time and Lap Time

CHRONO

GRAPH

Chronograph
Time (second)

0:00.00

00

Chronograph Time

Chronograph Mode

(Zero Display)

[set]

10010

[set] [set] [set] [set]

[set]

[reset] [reset]

010203040

time

: Stop Counting : Counting

(1/100 Second)

300

[set]

20

10100

!

The ADC is equipped with a Chronograph
Mode, it can measure 3 different periods of
time. They are:

1) Elapsed time,

2) Accumulative elapsed time

3) Lap time

Chronograph Display

!

In Chronograph Mode, the display will show
the following:

1)The mode indicator ' '
appears on the 1st and 2nd row of the
display.

2) The chronograph time (hours, minutes,
seconds) appears on the 3rd row of the
display.

3) The lap number and chronograph time
(1/100 second) appears on 4th row of the
display.

!

The display shows the 'Zero' display, if the

product or the chronograph has been reset.

!

The maximum counting range of the

chronograph is 99 hours, 59 minutes and

59.99 seconds. The chronograph can record
up to 50 laps.

CHRONOGRAPH

8.1 Chronograph Mode - Using the Chronograph

Chronograph Function

Lap Time
(the chronograph
is counting in the
background)

Lap No.

CHRONO

GRAPH

0:00.00

00

Chronograph Mode

('Zero' Display)

Note:

This diagram illustrates the
general flow among different
functional displays only, and
may NOT conform to fact in all
instances.

counting

Elapsed Time
(the chronograph
is stop counting)

[reset]

CHRONO

RUNNING

0:00.00

Chronograph Mode

(Lap Time Display)

[set]

CHRONO

RUNNING

0:00.00

Chronograph Mode

(Counting Display)

CHRONO

STOP

0:00.00

Chronograph Mode

(Stop Counting Display)

011L

[reset]10 seconds

01

[set]

20

!

In 'Zero' Display, press the [set] button once
to start the counting. When it is counting,
press the [set] button again to stop the
counting, and the elapsed time of which the
chronograph is counting will appear.

When the elapsed time is displaying, repeat

!

the key operations above to get the
accumulative elapsed time or press the
[reset] button to reset the chronograph.
Check the below 'To Reset the Chronograph'
section for more detail on how to reset the
chronograph.

To Record a Lap Time

When the chronograph is counting in the

!

previous operations, press the [reset] button
to display Lap Time Display for 10 seconds.

When the Lap Time is displaying, the

!

chronograph remains counting in the
background.

To Reset the Chronograph

To reset the chronograph, to be ready for a

!

new operation, press the [reset] button once
when the chronograph has stopped counting.
The display will then return to 'Zero' Display.

8.2 Chronograph Mode - Recall the Lap Time

Select the lap time by

backward scrolling

(fast scrolling)

hold [set]

CHRONO

STOP

hold

[mode]

0:00.00 0:02.02

20 20

Stop Counting Display Lap Time Recall Display

hold [reset]

Select the lap time by

forward scrolling

(fast scrolling)

CHRONO

RECALL

[reset] [reset]

[set] [set]

CHRONO

RECALL

0:02.02 0:04.02

Lap No.

20 201L 2L

Lap Time

Lap Time Recall Display

(Lap 1 Time)

Lap Time Recall Display

Select the lap time by

backward scrolling

CHRONO

RECALL

Select the lap time by

forward scrolling

(Lap 2 Time)

(1 lap per step)

[set]

(Total Time)

[reset]

(1 lap per step)

Lap Time(s)

Next

Available

To Recall the Lap Time

In Stop Counting Display, press and hold

!

the [mode] button to select the Chronograph
Recall Display.

In Chronograph Recall Display, the total

!

elapsed time will appear. To recall the
individual lap time, press the [set] or [reset]
button to select the target lap time (hold
down the button to scroll the setting faster)
following the adjacent diagram.

In Chronograph Recall Display, press and

!

hold the [mode] button to return to the Stop
Counting Display.

Chronograph Recall Display

In Chronograph Recall Display, the display

!

will show the following:

1)The mode indicator ' '

CHRONO RECALL

appears on the 1st and 2nd row of the
display.

2)The lap time (hours, minutes,
seconds) appears on the 3rd row of the
display.

3) The lap number and lap time (1/100

second) appears on the 4th row of the display.

9.0 Race Timer Mode - Race Timer Display

The Target Time

Mode
Indicator

Target Time
(Hour, minute,
second)

1. Single-phase
down
counting

2. Multi-phases
down
counting

3. Reset to
preset
target time

RACE TIMER

0:10.00

Race Timer Mode

30

[set]

30

20

20 0

[set]

30 30

[set]

[set][set]

20

[set] [reset]

0

beep

beep

!

The ADC is equipped with a countdown timer to
keep track of a fixed period of time (target time).

!

The user can set a target time of up to 99 hours,
59 minutes 59 seconds.

!

Check the coming

Mode'

target time in Racer Timer Mode.

Race Timer Display

!

In Race Timer Mode, the display will show the

following:

1) The mode indicator ' ' appears
on the 1st row of the display.

2)The target time (hours, minutes,
seconds) appears on the 3rd row of the
display.

!

The maximum counting range of the Race

Timer is 99 hours, 59 minutes and 59
seconds.

'Setting the Race Timer

section for more detail on how to set the

RACE TIMER

010203040

time

Single/multi-down Counting & Reset

: Stop Counting : Counting

9.1 Race Timer Mode - Setting the Race Timer Mode

To Select the Setting Display

!

Setting the target time in Race Timer Mode,

RACE TIMER

0:10.00

Race Timer Mode

hold

[mode]

hold

[mode]

scroll the

scroll through

setting by

the settings by

increment of 1

increment

[reset]

Second

[mode]

Race Timer Mode

Setting Sequence

[set]

[mode]

scroll

scroll

the setting

the setting at

faster

a faster pace

hold

[reset]

Minute

[mode]

Hour

hold
[set]

press and hold the [mode] button for about 2
seconds to select the setting display (the
second digits will start flashing).

Setting Sequence

!

In setting display, press the [mode] button to
move setting following the adjacent diagram.

!

When the one of the settings (second, minute,
hour) start to flash, press the [set] or [reset]
button to scroll through the settings (hold down
the button to scroll at a faster pace).

When the setting finished, press and hold the

!

[mode] button for about 2 seconds to exit the
setting sequence.

The setting display will change to Race Timer

!

Mode automatically if no key-stoke has been
activated for about 1 minute.

scroll the

scroll through

setting by

the settings by

decrement of 1

decrement

scroll

scroll

the setting

the setting at

faster

a faster pace

9.2 Race Timer Mode - Using the Race Timer

To Use the Race Timer

RACE TIMER

0:10.00

Stop-Counting Display

set the
target
time to
30 minute

RACE TIMER RACE TIMER

0:30.00 0:29.59

Stop-Counting Display

[reset]

Note:
This diagram illustrates the

general flow among different
functional displays only, and
may NOT conform to fact in all
instances.

beeps

stop
counting

[set]

counting

stop
counting

RACE TIMER

STOPPED

0:00.00

Stop-Counting Display

29'59"

RUNNING

Counting Display

[set]

RACE TIMER

STOP

0:29.59

Stop-Counting Display

!

!

To Reset the Timer

!

!

Race Timer Alarm Sound

!

!

!

Once a target time has been set, press the
[set] button once to start the countdown.
When it is running, press the [set] button
again to stop the countdown.

The countdown time will be displayed
continuously throughout the operation.

To reset the timer to the preset target time
before the countdown reaches zero, press
the [reset] button once when the timer has
been stopped.

To set a new value for the target time, check
the previous 'Setting the Race Timer Mode'
section for more detail on how to set the
Racer Timer Mode.

At the last 10 minutes, the Alarm will beep
once for every minute.

At the last 10 seconds, the Alarm will beep
once for every second.

At zero, the Alarm will beep for about 2
seconds.

10.0 Sensor Functions Mode - Manual Data Log Function

Data Log Function

BARO hPa

1001.3

Barometer Mode

ALTITUDE m

734 80

Altitude Mode

Sensor Functional Mode

Record no. & Data no

Logging time & date

current

wind speed

ambient barometric

pressure

Data (The Elements of a Data)

WIND Km/H

18.3 8.3

Wind Mode

144

hold [set]

21.3

H.INX 50.2 C8

44.0 62.288CC

Humidity Mode

2 beeps

current location

TEMP C8

28.3

18.2 13.2

Temperature Mode

HUMIDITY

88.2%

ambient

temperature

altitude at the

relative

humidity

!

The ADC is equipped with a function to log
the sensor functional mode readings. They
are the current wind speed, relative humidity,
ambient temperature, barometric pressure
and the altitude at current location.

The record also includes the time and date

!

that data was logged.
The ADC can log data automatically or

!

manually. Check the 'Automatic Data Log'
section below for more detail on how to log
data automatically.

To Log the Data Manually - Manual-Log

To log a data manually, press and hold the [set]

!

button for about 2 seconds in one of the
functional modes (Temperature, Wind Speed,
Barometer, Altimeter and Relative Humidity
Mode).

When two beeps sounds, the record is logged.

!

You can log another record at any desirable

!

moment as long as there is sufficient memory.
Check the coming ' '

!

Logged Record and Data

section for more detail on how to review the
logged data.

11.0 Wind Speed Mode - Before Using the Wind Speed Mode

the propeller
blades are entirely
exposed to air

Propeller Closed Propeller Opened

windwind

display

How Wind Speed is Measured

The ADC is equipped with a propeller that is

!

similar to a traditional aerovane.
When the propeller faces the wind, it

!

rotates and generates signal. This product
will pick up the signal and converts it into
wind speed.

Before and After Measuring a Wind Speed

Turn the ball-shape propeller by your thumb

!

and index finger until the propeller blades
are entirely exposed, and it is not sheltered
by the case.

! After a wind speed measurement, rotate the

propeller to a closed position to prevent dirt
from getting into it.

To Measure Wind Speed

Select Wind Speed Mode. Point the blades

!

directly towards the wind direction, and
make sure that the blades rotate freely.

When the wind passes through the propeller,

!

the blades rotate. The ADC starts to
measure, and shows the current, average
and maximum wind-speed readings.

Point the Propeller towards the wind direction

11.1

Wind Speed Mode -

Beaufort

Scale

Wind Speed

Display Lock

Time Span

Setting

Wind Speed Mode Functions

Current, Max

and Average

Wind Speed

Wind

Speed

Alarm

Manual

Data Log

Wind Speed Mode Function

Wind Speed Mode Functions

! This ADC has the following wind speed

functions:

1) The Beaufort Scale: The longest and
most widely used set of criteria to
describe the wind conditions. Check the
coming ' ' section for more
detail on Beaufort Scale.

2) The Current, Maximum and Average

Average Wind Speed.

3) Wind Speed Alarm: alarm that alerts the

user when the current wind speed is higher
than the predefined level.

4) Wind Speed Display Lock: This feature
can lock the wind speed display for 5
seconds.

5) Time Span Setting: This feature defines
the time for the Average Wind Speed
Calculation. Check the coming '

Span Setting for Average Wind Speed

section for more detail on the setting.

6) Manual Data Log: The function to log
the sensor functional mode readings that
is currently obtained from sensors.

Beaufort Scale

Time

'

11.2 Wind Speed Mode - Wind Speed Display

Wind Speed Display

Mode
Indicator

Beaufort

Scale
(by average
wind speed)

Maximum

Wind Speed

[reset]

WIND mph

21.3

18.3 8.3

Wind Speed Mode

[reset]

Km/h

[reset]

[reset]

Knots

Wind
Speed Unit

Current
Wind Speed

Average
Wind Speed

mph

[reset]

feet/sm/s

!

In Wind Speed Mode, the display will show
the following:

1) The ' ' Indicator and the wind speed

WIND

unit appear on the 1st row of the display.

2) The Beaufort Scale (calculated by
average wind speed) appears on the 2nd
row of the display.

3) The Current Wind Speed appears on the
3rd row of the display.

4) The maximum and average wind speed
appears on the 4th row of the display.

To Change Wind Speed Unit

!

This ADC can display wind speed in the
following wind speed units:

1) Km/h (Kilometer per hour),

2) mph (mile per hour),

3) feet/s (feet per second)

4) m/s (meter per second) and

5) Knots.

!

In Wind Speed Mode, press the [reset]
button to change the wind speed unit
following the adjacent diagram.

Wind Speed Unit Selection Sequence

Wind Speed Mode - What is Beaufort Scale?11.3

Beaufort

Scale
(by average
wind speed)

(calculated by average wind speed)

force

no. 1

Example A: Number 5 of Beaufort Scale

(calculated by average wind speed)

force

no. 1

Example B: Number 8 of Beaufort Scale

WIND mph

21.3

18.3 8.3

Wind Speed Mode

Beaufort Scale

force
no. 5

Beaufort Scale

force

no. 8

force

no. 10

force

no. 10

Average
Wind Speed

What is Beaufort Scale?

!

Beaufort Scale is the longest and most
widely used set of criteria to describe the
wind conditions and its effects on land as
well as on sea.

It categorizes the wind speed into 13 force

!

numbers, from 0 (calm) to 12 (hurricane).
Check the 'Beaufort Scale Table' section
below for more detail on the Beaufort Scale.

Beaufort Scale Bar

For user's convenience, the ADC displays

!

Beaufort Scale for average wind speed.
The ADC exhibits Beaufort Scale by

!

displaying different number of bars on the
upper row of the display. One exhibited bar
is equivalent to one Beaufort Scale force
number. For example, if there are 5 bars on
the display, the average wind speed is
equivalent to force number 5 of Beaufort
Scale.

The ADC displays the Beaufort Scale force

!

number from 0 to 10 (if the average wind
speed is higher than force number 10, the
ADC will display 10).

Wind Speed Mode - Beaufort Scale Table11.4

11.5 Wind Speed Mode - Wind Speed Display Lock, Reset Max Wind Speed

[set]

WIND mph

lock
indicator

L 21.3

18.3 8.3

Wind Speed Mode

(Display Locked)

Note:

This diagram illustrates
the general flow among
different functional
displays only, and may
NOT conform to fact in
all instances.

5 seconds

WIND mph

21.3

18.3 8.3

Wind Speed Mode

display
keep still

flashing

hold
[mode]
(confirm
the
reset)

flashing

hold
[reset]

RESET MAX

WIND? NO

18.3 8.3

Maximum Wind Speed

Reset Display - NO

[set]

RESET MAX

WIND? YES

18.3 8.3

Maximum Wind Speed

Reset Display - Yes

hold
[mode]
(abort the
reset)

Wind Speed Display Lock

!

The ADC is equipped with a function to hold
the fluctuating wind speed reading on the
display.

In Wind Speed Mode, press the [set] button

!

to lock the wind speed reading (the display
will hold the current reading for 5 seconds).

Reset the Maximum Wind Speed

To reset the maximum wind speed, press

!

and hold the [reset] button for 2 second to
select the Reset Display.

When the Reset Display is displayed, press

!

the [set] button to select between 'YES' and
'NO'.

In the ' ' display, press and hold the [mode]

!

YES

button for 2 about seconds to confirm the
reset (the maximum wind speed will reset to
zero).

To abort the reset, press and hold the [mode]

!

button for 2 seconds in the ' ' display.

NO

11.6

Wind Speed Mode - Wind Speed Alarm

Wind Speed

preset
wind speed
level

Alarm Range

Below Alarm Range

0

The Wind Speed Alarm Range

'beep'
for 5
seconds
(every 2
minutes)

Time

Wind Speed Alarm

The ADC is equipped with a wind speed

!

alarm.
That alarm alerts user when the current

!

wind speed is equal to or higher than the
preset wind speed level.

Wind Speed Alarm Sound

In Wind Speed Mode, if the Current Wind

!

Speed is equal to or larger than the preset
wind speed level, the ADC will start beeping
for about 5 seconds.

After the first beeping, the ADC will beep

!

again for every 2 minutes if the current wind
speed holds above the preset level.

The above repeated alarm will stop unless

!

the wind speed again exceeds the preset
level or the wind speed alarm is set to OFF.

11.7

Wind Speed Mode - Setting the Wind Speed Alarm and Time Span

hold

[mode]

WIND mph

21.3

18.3 8.3

Wind Speed Mode

Wind Speed Alarm Setting

WIND mph

OFF

hold

[mode]

[set]

----

18.3 8.3

scroll

scroll

the setting

the setting at

faster

a faster pace

scroll through

the settings by

increment

Wind Speed Alarm and
Time Span Setting Sequence

[mode]

Wind Speed

Alarm

Alarm ONAlarm OFF

WIND mph

ON

flash

50.3

18.3 8.3

scroll
the setting at
a faster pace

Time Span

Setting

Time Span

Setting

WIND mph

AVG PERIOD

10

SEC

[reset][reset] hold [reset]hold [reset]

scroll through

the settings by

decrement

To Set the Wind Speed Alarm, and Time Span
for Average Wind Speed Calculation

To set the wind speed alarm, press and hold

!

the [mode] button for about 2 seconds to
select the setting display (wind speed starts
flashing).

When the 'wind speed' is flashing, press the

!

[mode] button to select between time span
setting and wind speed alarm setting.

When 'wind speed' is flashing, press the

!

[reset] button to scroll the target wind speed
level by 1 step (hold down the button to
scroll the setting faster). To select the wind
speed alarm between ON and OFF, press
the [set] button.

When 'time' is flashing, press the [set] or

!

[reset] button to scroll the target time span
for average wind speed calculation by 1
(hold down the button to scroll the setting
faster).

Press and hold the [mode] button for about

!

2 seconds to exit the setting sequence.
The setting display will change to Wind

!

Mode automatically if no key-stoke has
been activated for about 1 minute.

11.8

North
pole

red-colored
blade

Wind Speed Mode - Using the Propeller as a Mechanical Compass

Propeller as a Mechanical Compass

The ADC measures ambient temperature,

!

North East

Target object

propeller

reference
points

Using the Propeller as a

Mechanical Compass

wind speed, and it also tells compass
directions.

!

One of the propeller blades is red-colored to
indicate the magnetic north pole.

!

Four reference points were engraved on the
ADC as reference points.

To use the Mechanical Compass

!

To check bearing of an object, make sure
that the propeller cover is opened, and the
blades are entirely exposed to air.

!

Tilt the ADC until the propeller blades are
parallel to the horizon, and the propeller
blades rotate freely.

The red-colored blade of the propeller will

!

points to the magnetic north pole. Make use
of the reference points (marked on the
product) to check the direction of the target
object.

12.0

Temperature - Temperature Functions

Temperature Mode Functions

! The ADC has the following temperature

Current

Temperature

Temperature

History Graph

Temperature

Calibration

Current, Minimum

Wind Chill

Temperature

Wind Chill

Temperature

Alarm

Manual

Data Log

Temperature Mode Functions

functions:

1) The Current Temperature: The Current
Temperature readings.

2) The Current and Minimum Wind Chill
temperature: The wind effect on

temperature. Check the'WindChill
Temperature' section below for more detail
on Wind Chill Temperature.

3) The Temperature History Graph: The
temperature memory for the last 24 hours.

4) The Wind Chill Temperature Alarm:
alarm to alert the user when the current
Wind Chill Temperature is lower than the
predefined limit.

5) The Calibration: The process to
calibrate the temperature reading.

6) Manual Data Log: The function to log
the sensor functional mode readings that is
currently obtained from sensors.

Temperature - Temperature Display12.1

Mode
Indicator

Current Wind Chill
Temperature

TEMP C8

28.3

18.2 13.2

Temperature Mode

C

[reset]

F

Temperature
Unit

Current
Temperature

Minimum Wind Chill
Temperature

Temperature Display

!

In Temperature Mode, the display will show

the following:

1) The ' ' Indicator and the temperature

TEMP

unit appear on the 1st row of the display.

2) The Current Temperature appears on the
3rd row of the display.

3) The Current and Minimum Wind Chill
Temperature appear on the 4th row of the
display.

To Change Temperature Unit

!

The ADC can display temperature in the
following units:

1) Degree Celsius (C)

2) Degree Fahrenheit (F)

!

In Temperature Mode, press the [reset]
button once to change the temperature unit.
See adjacent figure.

12.2

Case

1.

2.

3.

Temperature Mode- Wind Chill Temperature

What is Wind Chill Temperature

!

Wind

Conditions

NO wind

wind speed

at 50 mph/

80.5 km/h

NO wind

Wind Chill Temperature Effects

Current

Temperature

15F/ -9.4C

15F/ -9.4C

-10F/ -23.3C

Wind Chill

Temperature

15F/ -9.4C

-10F/ -23.3C

-10F/ -23.3C

Weather

Cold

Very
Cold

Very
Cold

Wind chill is a temperature factor that
combines air temperature and the effect of
blowing wind.

!

As blowing wind makes you feel as though
the temperature is lower than simple air
temperature.

!

For example, if it is -9.4 degrees Celsius
and the wind blows at 80.5 km per hour:
People will feel as if the temperature is -23.3
degrees Celsius. In this case, the wind chill
temperature is -23.3 degrees Celsius.

The ADC is also equipped with wind chill

!

temperature functions, including displaying
current and minimum wind chill temperature,
and having a wind chill temperature alarm.

Note:

Wind chill temperature is the effect that

!

combines wind speed and temperature, the
ADC must measure the wind speed in order
to display the wind chill temperature.

Check the previous '

!

Speed Mode

Wind Speed Measurement.

Before Using the Wind

' section for more detail on

Temperature Mode - To Reset Minimum Wind Chill Temperature12.3

Temperature Mode

Note:

This diagram illustrates
the general flow among
different functional
displays only, and may
not conform to fact in
all instances.

TEMP C8

28.3

18.2 13.2

RESET MIN

W.CHILL? NO

18.2 13.2

Maximum Wind Speed

Reset Display - NO

hold
[mode]
(confirm
the
reset)

RESET MIN

W.CHILL? YES

18.2 13.2

Maximum Wind Speed

Reset Display - Yes

hold
[reset]

[set]

hold
[mode]
(abort the
reset)

flashing

flashing

To Reset the Minimum Wind Chill
Temperature

!

To reset the minimum wind chill temperature,
press and hold the [reset] button for 2
seconds to select the Reset Display.

!

When the Reset Display is displaying, press
the [set] button to select between the ' '
and ' ' Display.

NO

!

In the ' ' display, press and hold the [mode]

YES

YE

S

button for about 2 seconds to confirm the
reset (the minimum wind chill temperature
will reset to zero).

!

To abort the reset, press and hold the [mode]
button for 2 seconds in the ' ' display.

NO

12.4

Temperature Mode - Temperature History Graph for the Last 24 Hours

the temperature
of the selected
record (numeric)

current
wind chill

Temperature History Graph Display

Select the lap time by

forward scrolling

(fast scrolling)

TEMP C8

18.2 13.2

Temperature Mode

[mode]

TEM

C8

18.2 1-00

[reset]hold [reset]

Select the record by

forward scrolling
(1 hour per step)

28.3

[set]

0 hour (current)-24 hour

flashing bar
represents
the selected record

28.3

Select the lap time by

backward scrolling

(fast scrolling)

(graphical bar)

the time that took
this record

Select the record by

backward scrolling

(1 hour per step)

Temperature History Graph

!

The ADC is equipped with a temperature
memory function. It records the last 24-hour
temperature and displays them by bar-graph.

!

In Temperature Mode, press the [set] button
to select the Temperature History Graph
Display.

While in the Temperature History Graph

!

Display setting, the right most bar will start
flashing.

The right most bar represents the current

!

temperature (0 hour). While the other bars
represent the temperature records of the last
24 hours. Each temperature record is taken
at the hour (i.e. 12:00, 1:00, 2:00 ...)

To browse the temperature record at

!

[set]hold [set]

different times, press the [set] button to
select the record by backward scrolling or
[reset] button to select time by forward
scrolling (hold down the button to scroll the
setting at a faster pace).

Press the [mode] button once to exit the

!

Pressure History Graph Display.

Temperature Mode - Wind Chill Temperature Alarm12.5

Wind Chill

Temperature

preset
wind chill
temperature
level

High Temperature Range

Low Temperature Range

0

The Wind Chill Temperature Alarm

'beep'
for 5
seconds
(every 2
minutes)

Time

Wind Chill Temperature Alarm

!

The ADC is equipped with a wind chill
temperature alarm.

!

That alarm alerts user when the current
wind chill temperature is equal to or lower
than the preset wind chill temperature level.

Wind Chill Temperature Alarm Sound

!

In Temperature Mode: When the Current

Wind Chill Temperature is equal to or lower
than the preset wind chill temperature level,
the ADC starts beeping for about 5 seconds.

After the first beeping, the ADC will beep

!

again for every 2 minutes if the current wind
chill temperature holds at or below the preset
value.

The above repeated alarm will stop unless

!

the wind chill temperature equals or drops
below the preset value or the wind chill
temperature alarm is set to OFF.

Temperature Mode - Setting the Wind Chill Temperature Alarm12.6

TEMP C8

28.3

18.2 13.2

Temperature Mode

Wind Chill Temperature

Alarm Setting

Alarm OFF

W.CHILL C8

OFF

[set]

----

18.3 8.3

hold
[reset]

scroll

the setting

faster

Wind Chill Temperature Alarm and

hold

[mode]

Temperature Calibration
Setting Sequence

Temperature

hold

[mode]

Alarm ON

W.CHILL C8

ON

18.3 8.3

scroll the
setting by
increment

of 1 step

Wind Chill

Alarm

-10.0

[mode]

Temperature

Calibration

Temperature

Calibration Display

TEMP C8

OFFSET

0.0

18.3 8.3

flash

[mode][reset]

Calibration Setting Display

Check 'Calibrating

the Temperature' section

below for more detail

hold
[reset]

To Select Setting Display

!

To select the setting display, press and hold
the [mode] button for about 2 seconds to
select the setting display (temperature digits
will start flashing).

The Setting Sequence

!

When the temperature digits are flashing,
press the [mode] button to select between
the Wind Chill Temperature Alarm Setting
and Temperature Calibration Display
following the adjacent diagram. Check the
'Calibrating the Temperature' section below
for more detail on temperature calibration.

When the temperature digits are flashing,

!

press the [reset] button to scroll through to
select target wind chill temperature level
(hold down the button to scroll the setting at
a faster pace), or press the [set] button to
select the between wind chill temperature
alarm ON and OFF.

When the above settings finished, press and

!

hold the [mode] button for about 2 seconds
to exit the setting sequence.

Temperature Mode - Calibrating the Temperature12.7

Temperature Calibration Display

wind chill
temperature

Calibration Setting Display

Select the

setting by

forward scrolling

Select the setting by

forward scrolling

(fast scrolling)

TEMP C8

OFFSET

0.0

18.3 8.3

hold [reset][mode]

TEMP C8

OFFSET

0.0

18.3 8.3

Select the setting by

backward scrolling

the offset
value

current
temperature

backward scrolling

(fast scrolling)

Select the

setting by

To Select Setting Display

!

Following the previous '

Chill Temperature Alarm

Setting the Wind

' section to select

the Calibration Display.
In the Calibration Display, press and hold

!

the [reset] button for 2 seconds to select the
Calibration Setting Display.

The Setting Sequence

When the 'offset value' digits are flashing,

!

press the [set] or [reset] buttons scroll
through to select target offset value (hold
down the button to scroll the setting at a
faster pace).

When the above settings finished, press the

!

[mode] button once to exit the setting
sequence.

[set]hold [set][reset]hold [reset]

Note:

1) When the temperature has been calibrated,
the ADC will offset the current temperature
by the target offset value. For example:
If the offset value is +2 and the current
temperature is 26 degrees C, the ADC will
display 28 degrees C (26+2).

2) The current wind chill temperature will be

updated as above accordingly.

Barometer Mode - Barometer Mode Function13.0

24 Hour

Pressure

History Graph

Pressure

Calibration

Barometer Mode Functions

Stormy Alarm

Manual

Data Log

Barometer Mode Functions

! The ADC has the following barometric

pressure functions:

1) The 24-Hour Pressure History Graph:

The Barometric Pressure Memory for the
last 24 hours.

2) Storm Alarm: The alarm that alerts the

user when the upcoming weather is stormy.
Check the coming 'Storm Alarm' section for
more detail on the Storm Alarm.

3) Calibration: The process to calibrate

the Barometric Pressure reading.

4) Manual Data Log: The function to log

the sensor functional mode readings that
are currently obtained from sensors.

Barometer Mode - Barometer Display13.1

Mode
Indicator

BARO hPa

1001.3

Barometer Mode

hPa

[reset]

mb

[reset][reset]

inHg

Pressure
Unit

Current
Barometric
Pressure

Barometer Display

!

In Barometer Mode, the display will show the
following:

1) The mode indicator ' ' Indicator and

BARO

the barometric pressure unit appear on the
1st row of the display.

2) The ambient Barometric Pressure
appears on the 3rd row of the display.

To Change Barometric Pressure Unit

!

The ADC can display Barometric Pressure in
the following units:

1) Hecto-Pascal (hPa)

2) milli-bar (mb)

3) Inches of mercury (inHg)

!

In Barometer Mode, press the [reset] button
to change the barometric pressure unit
following the adjacent diagram.

Barometric Pressure Unit Selection Sequence

13.2 Barometer Mode - Pressure History Graph for the Last 24 Hours

Pressure History Graph

The ADC is equipped with a barometric

!

pressure memory function. It records the last
24 hours barometric pressure readings, and
it can display them by bar-graph.

In Barometer Mode, press the [set] button to

!

select the Pressure History Graph Display.

While in the Temperature History Graph

!

Display, the right most bar will start flashing.

The right most bar represents the current

!

temperature (0 hour), while the other bars
represent the pressure records of the last 24
hours. Each pressure record is taken at the
hour (i.e 12:00, 1:00 and 2:00 ... ).

To browse the pressure record at different

!

times, press the [set] button to scroll the
record backward (from the current record to
the -24 hour record) or press the [reset]
button to scroll the record forward (from the

-24 hour record to the current record).
Press the [mode] button once to exit the

!

Pressure History Graph Display.

[mode]

-24 hour

the pressure
of the selected
record (numeric)

Pressure History Graph Display

Select the record by

forward scrolling from

-24 hour to current
(1 hour per step)

Select the lap time by

forward scrolling

(fast scrolling)

BARO hPa

1001.3

Barometer Mode

[set]

BAR
hPa

1023.2

1-00

[reset]hold [reset]

Select the lap time by

backward scrolling

(fast scrolling)

flashing bar
represents
the selected record
(graphical bar)

0 hour (current)

the time that
took this record

[set]hold [set]

Select the record by

backward scrolling

from current to -24 hour

(1 hour per step)

13.3 Barometer Mode - About Storm Alarm

About Stormy Alarm

!

Weather Forecast Symbols

Stormy

Storm

alarm on

06MAR

12:38.28

Weather Forecast Display

beep

THU

28.0 C888.2%

The alarm gives beep alert when the ADC
predicts the upcoming weather as stormy.

!

Then, in the Current time - Weather
Forecast Display, the 'stormy' weather
forecast symbol will appear.

Storm Alarm Sound

!

If the 'stormy' weather forecast symbol

appears, the ADC starts beeping for about 30
seconds.

!

The ADC will NOT beep again unless another

'stormy' condition is predicted.

13.4 Barometer Mode - Setting the Storm Alarm

Select the Setting Display

hold

[mode]

BARO hPa

1001.3

Barometer Mode

Storm Alarm and Pressure
Calibration Setting Sequence

[mode]

Stormy

Alarm

Pressure

Calibration

!

Press and hold the [mode] button for about
2 second to select the setting display (the
' ' or ' ' will start flashing).

ON OFF

Setting Sequence

!

In the setting display, press the [mode]
button to move the setting following the
adjacent diagram.

hold

[mode]

(Alarm OFF)

BARO hPa BARO hPa BARO hPa

[set]

OFF ONSTORM STORM

1001.3

Alarm OFF

Storm Alarm Setting

current

barometric

pressure

hold

[mode]

(Alarm ON)

1001.3

Alarm ON

Calibration Display

[mode]

Calibration Setting Display

Check the 'Calibrating

the Temperature' section

Pressure

OFFSET

0.0

1001.3

hold
[reset]

below for more detail

!

When the ' ' or ' ' starts to flash, press

ON OFF

the [set] button to select the Stormy Alarm
between ON and OFF.

!

When the above settings finished, press and
hold the [mode] button for about 2 seconds
to exit the setting sequence.

13.5

Barometer Mode -

Select the setting by

forward scrolling

(fast scrolling)

BARO hPa
OFFSET

0.0

1001.3

Pressure Calibration Display

[mode]

BARO hPa
OFFSET

Calibration Setting Display

[reset]hold [reset]

Select the

setting by

forward scrolling

hold [reset]

0.0

1001.3

backward scrolling

Select the setting by

backward scrolling

(fast scrolling)

the offset
value

the current
value

Calibrating the Barometric Pressure

To Calibrate the Barometric Pressure

!

Following the previous 'Setting the Storm Alarm'
section to select the Calibration Display.

!

In the Calibration Display, press and hold the
[reset] button for 2 seconds to select the
Calibration Setting Display.

When the 'offset value' digits are flashing, press

!

the [set] or [reset] button to scroll to select the
target offset value (hold down the button to scroll
the setting at a faster pace).

When the above settings finished, press the

!

[mode] button once to exit the setting sequence.

Setting Pressure relative to Sea Level

1) When the barometric pressure has been
calibrated, the current barometric pressure will
offset by the target offset value.

2) To be able to read the current barometric
pressure as a pressure referring to sea-level
although at an altitude, calibrate as follows:

Check the current altitude (for example 1000m).
Divide 1000/8 (since 1 hPa/mbar is 8m altitude).
Result 125 hPa/mbar. Set offset to +125hPa/mbar.
The reading will now refer to the pressure at sea­level.

Select the

setting by

[set]hold [set]

Altimeter Mode - Altimeter Mode Functions14.0

Current, Min &

Max Altitude

Altitude

Calibration

Air Density/

Relative Density &

Density Altitude

Altimeter Mode Functions

Accumulative

Ascend & Descend

Altitude

Altitude

Alarm

manual

Data Log

Altimeter Mode Functions

!

This mode has the following functions:

1) The different altitude readings: Current,
Minimum and Maximum Altitude.

2) The Accumulative Ascend and Descent
Altitude: The sums of the ascending/

descending distance for ski sport.

3) The Altitude Alarm: Alarm sounds when
the current altitude is higher than the
predefined level.

4) Altitude Calibration: The process to
calibrate the altitude reading.

5) Air Density, Relative Air Density and
Density Altitude: The temperature,

pressure and humidity effects on air

density.

6) Manual Data Log: The function to log the
current sensor readings.

WARNING !

The ADC estimates altitude by air pressure.

!

Hence, these altitude values may be
changed if air pressure changes. DO NOT
rely on the ADC for those activities that
demands commercial standard.

14.1

Altitude Mode - Functional Displays

ALTITUDE m
SKI RUN: 99

2237 2418

Ski-Run Display

Mode
Indicator

Max
Altitude

[set] [set]

ALTITUDE m ALTITUDE m

AD:0.2345 RAD: 55.78%

ALTITUDE m

734 80

Max-Min Display

relative air

density

hold [reset]

144 144

144.8 144.8

Air-Density Display

(Air Density)

air density

density
altitude

Ski Run
number

144

[set]

Accumulated
Descent

Accumulated
Ascent

Altitude
unit

Current
Altitude

144

Min
Altitude

Air-Density Display

(Relative Air Density)

unctional Displays

F

!

Altimeter Mode includes three different
functional displays, they are the Ski-Run
Display, Max-Min Display and Air-Density
Display.

!

In Altimeter Mode, press the [set] button to
select between the above displays following
the adjacent diagram.

!

In the above displays, the indicator ' '

ALTITUDE

and altitude unit appear on the 1st row of the
display, and the current altitude appears on
the3rdrowofthedisplay.

Altitude Ski-Run Display

!

In this display, the number of Ski Runs
appears on the 2nd row of the display, and the
accumulated ascent and descent appear on
the 4th row of the display.

Altitude Max-Min Display

!

In this display, the maximum and minimum
altitude appears on the 4th row of the display.

Altitude Air-Density Display

!

In this display, the air density or relative air
density appears the 2nd row of the display,
and the density altitude appears on the 4th
row of the display.

Altimeter Mode

Altimeter Mode - To Change Altitude Units14.2

m

[reset]

ft

Select among the Altitude Units

Altimeter Mode

To Change Altitude Units

!

The ADC can display altitude in the
following units:

1) Meter (m)

2) Feet (ft).

!

In any of the functional displays (Ski-Run,
Max-Min and Air-Density Display), press the
[reset] button to select the altitude unit
following the adjacent diagram.

14.3.0 Altimeter Mode - Altitude Ski-Run Display

altitude (m)

500

485

470

455

440

425

410

Starting

point

Mode
Indicator

Current
Altitude

Accumulated
Ascent

record

ski-run count

(counter +1)

A

B

Ski-Run 1

ALTITUDE m

SKI RUN: 99

144

2237 2418

Ski Run Display

Altimeter Mode

>30 m

C

End

point

Starting

point

Altitude
unit

Ski Run
counter

Accumulated
Descent

record

ski-run count

(counter +1)

D

E

Ski-Run 2

F

End

point

time

Ski-Run Display

!

The ADC is equipped with functions to register
ski runs. They are the Ski-Run Counter,
Accumulative Ascending Altitude and
Accumulative Descending Altitude.

!

The Ski Run Counter registers the number of
ski runs.

!

The Accumulative Ascending Altitude and
Accumulative Descending Altitude registers
the total ascend or descend altitude during the
ski runs.

When the Ski-Run functions is ON:

!

1)The ADC will record a Ski-Run count
(Counter +1) automatically when a ski run
has descended 15 meters (point A to B or
point D to E).

3) The ADC will record a new ski-run record
(Counter +1) once a 30 meters ascend
(point C to D) is completed before another
ski-run record is allowed to be registered.

Check the 'To Turn the Ski-Run Function ON

!

and OFF' section below for more detail on how
to set the function ON and OFF.

14.3.1 Altimeter Mode - To Turn Ski-Run Function ON and OFF

To Turn Ski-Run Function ON and OFF

Ski-Run Function ON-OFF Setting

Function OFF Function ON

SKI RUN ON?

hold [mode]
(Ski-Run
Function OFF)

ALTITUDE m

SKI RUN: 99

2237 2418

Ski Run Display

NO

144

[mode]

SKI RUN ON?

[set]

hold [mode]
(Ski-Run
Function ON)

hold

[reset]

hold

Ski-Run Counter, Ascend and
Descend Reset Setting Sequence

Ski-Run

Function

ON-OFF

Ski-Run

Descend

Reset

YES

[mode]

[mode]

Ski-Run
Counter

Reset

[mode][mode]

Ski-Run

Ascend

Reset

!

To select the setting display, press and hold
the [reset] button for about 2 seconds (the
'YES' or 'NO' will start flashing).

!

In setting display, press the [mode] button to
select between the Ski-Run Function ON­OFF Setting and the Ski-Run Reset Settings
following the adjacent diagram. Check the
'To Reset the Ski-Run Counter, Ascend &
Descend' section below for more detail on
reset setting.

When the Ski-Run Function ON-OFF Setting

!

'YES' or 'NO' is flashing, press the [set]
button to select between the Ski-Run
Function ON and OFF.

When the 'YES' Display is flashing, press

!

and hold the [mode] button for about 2
seconds to confirm the setting and exit the
setting sequence (Ski-Run Function will turn
ON).

When the 'NO' Display is flashing, press

!

and hold the [mode] button for about 2
seconds to abort the setting and exit the
setting sequence.

Altimeter Mode - To Reset the Ski-Run Counter, Ascend & Descend14.3.2

ALTITUDE m

SKI RUN: 99

144

2237 2418

Ski Run Display

hold

[mode]

DESCEND

RESET? YES

2237 2418

DESCEND
RESET?

2237 2418

hold [reset]

Activated

[set]

NO

Inactivated

SKIRUN SKIRUN
RESET? RESET?

Activated

Ski-Run Counter Reset Setting

Ski-Run
Function
ON-OFF

Ski-Run

Descend

Reset

Ski-Run Counter, Ascend
and Descend Reset
Setting Sequence

YES

Activated

Accumulative Descend Reset Setting

YES

[set]

[mode]

[mode]

[set]

Inactivated

Ski-Run
Counter

Reset

[mode][mode]

Ski-Run

Ascend

Reset

ASCENDASCEND
RESET?RESET?

2237 24182237 2418

Inactivated

NO

NO

To Reset Ski-Run Counter, Ascending and
Descending Altitude.

!

Following the previous 'To Turn Ski-Run
Function ON and OFF' section to enter the
Ski-Run Reset Setting.

!

Press the [mode] button to select between
the Ski-Run Function ON-OFF Setting and
the Ski-Run Reset Settings following the
adjacent diagram.

When one of the 'YES' Displays is flashing,

!

press and hold the [mode] button for about
2 seconds to confirm the reset and exit the
setting sequence (the respective Ski-Run
reading will be reset to zero).

When one of the 'NO' Displays is flashing,

!

press and hold the [mode] button for about
2 seconds to abort the reset and exit the
setting sequence.

IMPORTANT

!

Accumulative ascend and descend will only
work when Ski-Run function is activated
(ON)

14.4.0

altitude (m)

500

400

300

200

Starting

point
(reset the max
& min altitude)

Maximum

Altitude

Minimum

Altitude

Note:

1. The maximum altitude will be updated as a higher
altitude (550m > 500m) is reached.

2. The minimum altitude will NOT be updated as there is
NO further lower altitude (150m < 200m) accomplished.

Altimeter Mode - Altitude Max-Min Functions

Highest point Highest point

AB

Lowest

point

Trail 1

Trail 1 at point A at point BTrail 2

500 m 550 m 500 m 550 m*1

150 m 150 m 150 m*2200 m

End

point

Starting

point

This Product will display

Lowest

point

Trail 2

End

point

Altitude Max-Min Display

! Altitude Max-Min Display includes three

different altitude readings: Current,
Minimum and Maximum Altitude.

Current Altitude

!

Current Altitude is reading that measured by
the air pressure at your current location.

Minimum Altitude

time

!

Minimum Altitude is the accomplished
minimum altitude record. It will be
superseded if a lower altitude is
subsequently achieved.

Maximum Altitude

!

Maximum Altitude is the accomplished
maximum altitude record. It will be
superseded if a higher altitude is
subsequently achieved.

Note:

!

During the first three minutes of Altitude Display,
the ADC needs one second to get a reading.

!

After the first three minutes of Altitude Display,
the ADC needs one minute to get a reading.

!

Reset the maximum or minimum altitude prior
to recording a new one, check the 'To Reset the
Maximum and Minimum Altitude' section below
to reset the respective reading.

14.4.1

hold
[mode]
(abort
the
reset)

Altimeter Mode - To Reset Minimum and Maximum Altitude

ALTITUDE m

Max-Min Display

RESET MAX

ALT ? NO

734 80

Maximum Altitude

Reset Display - NO

RESET MAX

ALT ? YES

144

734 80

flashing

[mode]

flashing

flashing

[mode]

hold [reset]

RESET MIN
ALT ? NO

734 80

Minimum Altitude

Reset Display - NO

[set][set]

RESET MIN
ALT ? YES

hold
[mode]
(confirm
the
reset)

To Reset the Maximum and Minimum
Altitude

To reset the maximum and minimum altitude,

!

press and hold the [reset] button for about 2
seconds to select the Reset Display.

When the Minimum Altitude Reset Display is

!

displaying, press the [mode] button to select
between the Maximum and Minimum Altitude
Reset Display.

When the ' ' or ' ' Display is displaying,

!

NO YES

press the [set] button to select between the
'YES' and 'NO' Display.

!

When the ' ' Display is displaying, press

YES

and hold the [mode] button for about 2
seconds to confirm the reset of the
respective altitude (i.e. the maximum or
minimum altitude), the maximum or minimum
altitude will be reset to zero.

To abort the reset, press and hold the [mode]

!

button for 2 seconds in the ' ' Display.

NO

734 80

Maximum Altitude

Reset Display - YES

flashing

Minimum Altitude

Reset Display - YES

734 80

air density

ALTITUDE m ALTITUDE m

AD:0.2345 RAD: 55.78%

AD

144.8 144.8

density

altitude

Air-Density Display

(Air Density)

Altimeter Mode - What is Air Density and Its Effects14.5.0

relative air density

hold [reset]

144 144

RAD

Air-Density Display

(Relative Air Density)

Altimeter Mode

density
altitude

Air Density

Air's density depends on its temperature,

!

pressure and humidity.

The higher the temperature, the air is,

!

heated, and the air's density decreases.

Humid air is lighter than dry air at the same

!

temperature and pressure, that is, the air is
humid, air's density decreases.

Increasing the pressure increases the airs

!

density. Altitude and weather can change the
airs pressure. In general, higher the altitude,
lower the air density.

Air Density and Relative Air Density
Display

!

In this display, the indicator 'ALTITUDE' and
altitude unit appear on the 1st row of the
display, and the current altitude appears on
the3rdrowofthedisplay.

!

The air density (AD) or relative air density
(RAD) appears on the 2nd row of the display,
and the density altitude appears on the 4th
rowofthedisplay.

Check the 'Setting the Altimeter Mode' section

!

below for more detail on how to set the data
for calculating the relative humidity.

Altimeter Mode - Effects on Lower Air Density14.5.1

Effects of lower air density on people

!

If you go high enough by climbing a

mountain, about 3658 meters high, the air's
pressure is about 40% lower than at sea
level.

This means that with each breath you are

!

getting about 40% less oxygen than at sea
level.

Effects of lower air density on engines

When the air's density decreases, the lifting

!

force on an aircraft's wings or helicopter's
rotor decreases, the power produced by the
engine decreases, and the thrust of a
propeller, rotor or jet engine decreases.

When the air's density is low, airplanes need

!

longer runways to take off and land and they
don't climb as quickly as when the air's
density is high.

Air density also affects the performance of

!

automobiles; with lower density decreasing
performance in the same way it decreases
the performance of aircraft engines.

Density Altitude

!

As air's density varies by altitude (the
combination effect of pressure and
temperature), hence the performance of
aircrafts or automobile engines will be
affected in different altitude (air density).

Pilots need to take the above facts into

!

account because the lift, power and thrust
would be different between the standard
atmosphere and the real atmosphere (the
Density altitude).

Altimeter Mode - Altitude Alarm14.6

preset
altitude
level

Altitude

0

Undesirable Range

Desirable Range

The Altitude Alarm

'beep'
for 5
seconds
(every 2
minutes)

Time

Altitude Alarm

!

The ADC is equipped with an altitude alarm.

!

That alarm alerts user when the current
altitude is equal to or higher than the preset
altitude level.

!

Check the 'Setting the Altimeter Mode'
section below for more detail on how to set
the altitude level for the alarm.

Altitude Alarm Sound

!

In Altitude Mode: When the current altitude is

equal to or higher than the preset altitude
level, the ADC starts beeping for about 5
seconds.

After the first beeping, the ADC will beep

!

again for every 2 minutes if the current is still
equal or higher than the preset value.

The repeated alarm beeps will stop until the

!

altitude is equal or higher than the preset
value or the Altitude Alarm is set to OFF.

ALTITUDE m

144

734 80

Altitmeter Mode

Altimeter Mode - Altitude Mode Setting14.7.0

[mode]

[mode]

hold

hold

[mode]

Altitude

Alarm

Setting

Relative

Humidity

Relative Air Density Setting

Altimeter Mode Setting Sequence

Altitude

Calibration

Display

[mode][mode]

[mode][mode]

temperaturepressure

Altimeter Mode Setting

!

The following functions can be performed in
the Altimeter Setting Mode.

1) Altitude Alarm Settings,
a) ON or OFF
b) Target Altitude Level for alarm

2) Altitude Calibration ,

3) Relative Air Density Setting
a) Temperature
b) Pressure
c) Humidity.

To Select the Setting Display

!

o select the setting display, press and hold
the [mode] button for about 2 seconds
(altitude digits will start flashing).

!

In the setting display, press the [mode]
button to select between the Altitude Alarm
Setting, Altitude Calibration Display and
Relative Air Density Setting following the
adjacent diagram.

!

Check the 'Altitude Alarm Setting', 'Altitude
Calibration' and 'Relative Air Density
Setting' sections below for more detail on
the above settings.

Altimeter Mode - Setting the Altitude Alarm14.7.1

Altitude Alarm Setting

Alarm OFF

ALTITUDE m

W.CHILL C8

----

18.3 8.3

144

hold
[reset]

[set]

scroll

the setting

faster

Alarm ON

ALTITUDE m

ONOFF

1800

[reset]

scroll the
setting by
increment

of 1 step

144

flash

To Set the Altitude Alarm

!

Following the previous 'Altimeter Mode
Setting Sequence' to select the Altitude
Alarm Setting Display.

When the altitude alarm digits are flashing,

!

press the [reset] button to scroll by 1 to
select target altitude level (hold down the
button to scroll the setting faster), or press
the [set] button to select the between
altitude alarm ON and OFF.

When the above settings finished, press and

!

hold the [mode] button for about 2 seconds
to exit the setting sequence or press the
[mode] button to set the other settings.

Altimeter Mode - Calibrating the Altitude14.7.2

Altitude Calibration Display

Calibration Setting Display

Select the

setting by

forward scrolling

Select the setting by

forward scrolling

(fast scrolling)

ALTITUDE m

ADJUST

144

hold [reset][mode]

ALTITUDE m

ADJUST

144

Select the setting by

backward scrolling

the offset

0

0

(fast scrolling)

value

the current
value

flashing

backward scrolling

Select the

setting by

To Calibrate the Altitude

!

Following the previous 'Altimeter Mode
Setting Sequence' enter the Calibration
Display. When the Calibration Display
appears, press and hold the [reset] button
for about 2 seconds to select the Calibration
Setting Display.

When the 'offset value' digits are flashing,

!

press the [set] or [reset] button to scroll by 1
to select the target offset value (hold down
the button to scroll the setting faster).

When the above settings finished, press the

!

[mode] button once to exit the calibration
setting sequence. To return to Altimeter
Mode, press and hold the [mode] button for
about 2 seconds to exit the setting
sequence or press the [mode] button to set
the other settings.

[set]hold [set][reset]hold [reset]

Note:

!

1) When the altitude has been calibrated, the
ADC will offset the current altitude by the
target offset value. For example: If the offset
value is +20 and the current altitude is 144
the ADC will display 164 (144+20).

2) The maximum and minimum altitude will

NOT be updated as the above.

[mode]

[mode]

Altimeter Mode - Setting Relative Air Density14.7.3

RAD SETTING

TEMP C8

15.0

Temperature

Setting

[mode]

RAD SETTING

BARO hPa

1013.3

Pressure

Setting

[mode]

RAD SETTING
HUMIDITY

80%

Humidity

Setting

temperature

pressure

relative
humidity

[set]

Select the

setting by

forward scrolling

hold [reset]

Select the setting by

forward scrolling

(fast scrolling)

[reset]

Select the

setting by

backward scrolling

hold [set]

Select the setting by

backward scrolling

(fast scrolling)

To Calibrate the Altitude

Following the previous 'Altimeter Mode

!

Setting Sequence' to enter the Relative Air
Density Setting Display.

When the one of the settings (temperature,

!

pressure and relative humidity) is flashing,
press the [set] or [reset] button to scroll by 1
to select the target value (hold down the
button to scroll the setting faster).

When the above settings finished, press the

!

[mode] button once to exit the setting
display, press and hold the [mode] button
for about 2 seconds to exit the setting
sequence or press the [mode] button to set
the other settings.

Note:

!

1) hen the above Relative Air Density setting
has been set, the Relative Air Density and
the Absolute Air Density will be calculated by
this setting.

2) The standard default values in the RAD

settings are 15.0° C, 1013.3hPa and 0%
RH.

Relative Air Density Setting

Relative Humidity Mode - Functional Display15.0

mode indicator

Dew Point
Temperature

Wet-bulb:

The evaporation of water from the thermometer with
the bulb wrapped in wet cloth has a cooling effect.
The temperature indicated by the wet bulb
thermometer is less than the temperature indicated
by a normal thermometer. The rate of evaporation
from the wet-bulb thermometer depends on the
humidity of the air - evaporation is slower when the
air is already full of water vapor.

HUMIDITY

H.INX 50.2 C8

88.2%

44.0 62.288CC

Humidity Mode

Heat Index

Relative Humidity

Wet Bulb
Temperature

unctional Displays

F

!

Relative Humidity Mode includes four different
readings; Heat Index Temperature, Relative
Humidity, Dew Point Temperature and Wet
Bulb Temperature.

In the above displays, the indicator ' '

!

HUMIDITY

appears on the 1st row of the display.

!

The Heat Index Temperature appears on the
2nd row of the display.

!

The Relative Humidity appears on the 3rd row
of the display.

!

The Dew Point Temperature and Wet Buld
Temperature appear on the 4th row of the
display.

To Change Temperature Unit

!

The above temperature readings can be
display in the following units:

1) Degree Celsius (ºC)

2) Degree Fahrenheit (ºF)

!

Set the temperature unit in the Temperature
Mode to change the temperature unit. Check
the previous ' ' section

Temperature Display

for more detail on how to change the
temperature unit.

Data Log Mode - Data Log Function16.0

B

data data data

Record

C

Record no. & Data no

Logging time & date

current

wind speed

ambient barometric

pressure

The Elements of a Data

Memory Full Display

temperature

altitude at the

current location

Record and Data

MEMORY

FULL

A

record

Free Memory Display

Data Log Display

ambient

relative

humidity

Data Log Function

The ADC is equipped with a function to log

!

the sensor functional mode data. These
data are the current wind speed, ambient
temperature, barometric pressure, relative
humidity and the altitude at the current
location.

This data also includes the time and date

!

that the logging was taken.
The ADC can log data automatically (log a

!

data at a preset interval) or manually.
For logging data automatically, check the

!

'Automatic Data Log' section below. For
logging data manually, check the previous
'Manual Data Log'.

Note:

1) The log memory can log up to 256 records
and 1980 data.

2) If log memory is full, a ' '

MEMORY FULL

message will display for few seconds. Delete

some data, or transfer the data to PC if
necessary.

3) Always check the memory level before data
logging.

Data Log Mode - Data Log Display and Free Memory Display16.1

the date that
this record
was logged

the record
no. of this
record

DATALOG
06 MAR 2003

2:10.30

r001-0023

Data Log Display

3 seconds

FREE: 1350

06 MAR 2003

2:10.30

r001-0023

Free Memory Display

DATALOG

NO RECORD

--:----

r000-0000

the time that
this record
was logged

no. of data
logged by
this record

the free
memory

NO data
is found

Functional Displays

Data Log Mode includes two different

!

functional displays; they are the Free
Memory Display and Data Log Display.

Free Memory Display and Data Log Display

!

will be appeared alternatively for every 3
seconds.

In the above displays, the date of which the

!

record was logged appears on the 2nd row
of the display. The time of which the record
was logged appears on the 3rd row of the
display. The data number and record
number appear on the 4th row of the display.

If NO data is found on the Data Log Mode,

!

NO RECORD

the ' ' display appears.

The Data Log Display

The mode indicator ' ' appears on the 1st

!

DATALOG

row of the display.

The Free Memory Display

The free memory appears on the 1st row of the

!

display.

!

Data Log Display

(NO Record)

Data Log Mode

Data Log Mode - Automatic Data Log16.2

DATALOG
06 MAR 2003 06 MAR 2003

hold [set]

2:10.30

r001-0023

Data Log Display

(Auto-Log OFF)

DATALOG

2:10.30

r001-0023

Data Log Display

(Auto-Log ON)

LOG

LOG

To Log Data Automatically (Auto-Log)

Press and hold the [set] button for about 2

!

seconds in the Data Log Mode to enable or
disable the automatic log function.

When the function is enabled, a 'LOG' indicator

!

appears, the ADC will log a data at the
predefined interval.

Check the 'Setting the Data Log Mode' section

!

below for more detail on how to set the interval..

Example 1:

Record 1
(set 10 seconds
as the interval)

Example 2:

Record 2
(set 30 seconds
as the interval)

data 1

logged

hold [set]

to start

data 1

logged

hold [set]

to start

data 2

logged

beep

0

10

data 2

logged

beep

0

30

Automatic Data Log

data 3

logged

beep

20

data 3

logged

beep

60

data 4

logged

beep

30

data 4

logged

beep

90

hold [set]

to stop

40

hold [set]

to stop

120

time

(sec)

time

(sec)

Data Log Mode - Data and Record Administration16.3

data 1

data 2

Record

Record 1

Record 2

Record 3

new
data

Log a

new data

Acquire a New Data

Record 2

Delete a

record

data 1

data 2

data 3

Record

Record 1

Record 2

Log a New Data

!

When a new data is logged, this data will
become the last one of the data list.

Delete

!

a Existing Record

If the displaying record is erased, the record will
shift it's location onward following the adjacent
diagram.

Delete a Record

Data Log Mode - Data Log Mode Setting16.4.0

Delete

the current

data

Delete

all Record

&Data

Data Log Mode Setting

Logging

interval

setting

PC

Synchronization

Data Log Mode Setting

!

The following functions can be performed in
the Data Log Mode Setting.

1) Delete the current data

2) Set the logging interval for auto log

3) Enable the PC Synchronization
(transfer data from the ADC to PC)

4) Delete all data

!

Check the 'PC Synchronization' section
below for more detail on the communication
between the ADC and PC.

Data Log Mode - Setting Data Log Mode16.4.1

DATALOG
06 MAR 2003

2:10.30

r001-0023

Data Log Display

hold

[mode]

DEL ALL ?

DEL ALL ?

hold [mode]

YES

Activated

[set]

NO

Inactivated

flash

[set]

[set]

DEL? NO

06 MAR 2003

2:10.30

r001-0023

2.
Auto-Log

Interval

Setting

[mode][mode]

3.

PC Syn-

chronization

DEL? YES

06 MAR 2003

2:10.30

r001-0023

Activated Inactivated

1.
Delete the

record that

is displaying

4.

Delete

all record

and data

Data Log Mode
Setting Sequence

PC SYNC PC SYNC ...
START? STOP?

Ready Sending

this data to
be deleted

Delete the Current Data

[mode]

[mode]

if the send

completed

PC Synchronization

To Select Setting Display

!

Press and hold the [mode] button for about
2 seconds to select the Data Log Mode
Setting Display (the ' ' starts flashing).

!

In setting display, press the [mode] button to

NO

select among the settings following the
adjacent diagram.

1: When the ' ' starts to flash, press the

NO

[set] button to select between ' '
(delete the record that is displaying) and

NO

' ' Display.

2: When the interval digits starts to flash,

press the [set] or [reset] button to scroll to
select the target auto-log interval (hold
down the button to scroll the setting at a
faster pace).

3: When the 'PC SYNC START?' starts to

flash, press [set] button to send the data
from the ADC to PC.

4: When the ' ' starts to flash, press the

[set] button to select between ' ' (delete
all records) and ' ' Display.

When the above setting completed, press

!

NO

YES

NO

and hold the [mode] button for about 2

seconds to confirm the setting and exit the

setting sequence.

YES

Data Log Mode - PC Synchronization16.5

PC SYNC PC SYNC ...

START? STOP?

Ready Sending

[set]

if the send

completed

PC Synchronization

Infrared Port

Pointing this port towards
the ADC-IR connected
toaPC

PC SYNC
START?

Transfer Data from the ADC to PC

!

The ADC is equipped with a function to
transfer/backup the data from the ADC to
PC.

!

To be able to transfer data to a PC, the
accessory ADC-IR (optional extra) is
needed.

Following the previous 'Data Log Mode

!

Setting Sequence' to select the PC
Synchronization Display.

In the above PC Synchronization Display,

!

press the [set] button once to activate the
synchronization. The data of the ADC will
send to the target PC.

Note:

!

Start the PC's communication software prior
to the transmission.

!

Check the PC's hardware and software
manual for the detail on how to transfer and
receive data via infrared device.

Make sure that the infrared port (of the ADC)

!

is pointing towards the target ADC IR
infrared port during the transmission.

Data Log Mode - Logged Record and Data16.6.0

[reset]

Erase a Dive Record

[set]

B

data data data

Record

[set]

C

Record no. & Data no

Logging time & date

current

wind speed

ambient barometric

pressure

Data (The Elements of a Data)

Data Log Mode (Review Data Log)

hold
[mode]

temperature

altitude at the

current location

[reset]

A

record

Data Log Display or

Free Memory Display

ambient

relative

humidity

[mode]

To review Logged Data

!

The adjacent diagram shows the operations

for employing a review on the logged data.

!

Check the 'To Select the Logged Record'

and ' To Review the Logged Data' sections

below for more detail on how to review

hold [mode][mode]

logged data.

Data Log Mode - To Select the Logged Record16.6.1

A

DATALOG

06 MAR 2003

001

record
no.

B

2:10.30

r001-0023

Data Log Display

(Record 1)

[reset]

Record Selection Sequence

[set]

-0001RXXX

06 MAR 2003

2:10.30

28.0 C888.2%

Data Log Display

(Data 1)

Data Selection Sequence

[set]/[reset]

[reset]

0023

this record
consist of
23 data

001

data
no.

[set]/
[reset]

[reset]

the next

Logged
Record

[reset]

the last

Logged

Record

hold [mode]

[set]/[reset]

the next

Logged

Data

the last
Logged

Data

[set]/
[reset]

To Select the Logged Record

!

Press the [reset] button to scroll forward to
select the target record (the logging time
and date) among the logged records (from
record 1 to the last record) following the
adjacent diagram.

If a record is selected, the logging date and

!

time appear on the 2nd and 3rd row of the
display. The record number and the total
number of data (stored by such record)
appear on the 4th row of the display.

When the target record is displaying, press

!

the [set] to enter the Data Selection
Sequence. Check the 'To Review among
Logged Data' section below for more detail
on how to select target data.

Data Log Mode - To Review the Logged Data16.6.2

B

RXXX

06 MAR 2003

2:10.30

Data Log Display

(Data 1)

Data Selection Sequence

C

logging
date &
time

record
no.

barometric
pressure

R001 -0001

06 MAR 2003

2:10.30

Date & Time

R001 -0001

1001.3 hPa

2:10.30

Barometric Pressure

-0001

28.0 C888.2%

[mode]

001

[set]/
[reset]

[set]/[reset]

wind speed

[mode]

temperature

data no.

altitude

[mode]

relative
humidity

data
no.

21.3 Km/H

[set]/[reset]

the next

Logged

Data

[set]/
[reset]

the last

Logged

Data

R001 -0001

2:10.30

28.0 C888.2%28.0 C888.2%

Wind Speed

[mode][mode]

R001 -0001
144 m

2:10.30

28.0 C888.2%28.0 C888.2%

Altitude

To Review the Logged Data

!

Following the previous 'To Select the

Logged Record' section to select the target

record.

Once a record is selected:

!

Press the [reset] button to scroll forward to

select the target data among the logged

data (from data 1 to the last data) following

the adjacent diagram.

Or press the [set] button to scroll backward

!

to select the target data among the logged

data (from last data to data) following the

adjacent diagram.

!

If a data is selected, the record number and
data number appear on the 1st row of the
display. The logging date and time (the time
such data was logged) appear on the 2nd
and 3rd row of the display. The temperature

relative humidity

and appear on the 4th row
of the display.

To review the other information of the

!

selected data, press the [mode] button
following the adjacent diagram.

The wind
speed, temperature, barometric pressure,
and the altitude at the current location will
appear one by one.

Specifications A17.0

Current Time Mode

Hour, minute and second

!

Month, day, day of week and year

!

12 / 24 hour format selectable

!

Auto calendar from year 2003 to 2099

!

Wind Speed Mode

Current, Average and Maximum Wind Speed

!

Beaufort Scale for Average Wind Speed

!

5 Wind Speed Unit Selection (Km/h, mph,

!

feet/s, m/s, and Knots).
User defined time span for Average Wind

!

Speed calculation.
User defined Wind Speed Alarm.

!

Temperature Mode

Current Temperature, and Current and

!

Minimum Wind Chill Temperatures.
User defined Wind Chill Temperature Alarm.

!

Graphical and numerical displays for

!

temperature for the last 24 hour

Barometer Mode

!

Current Barometric pressure

!

Storm Alarm

!

User defined offset for Calibration

!

Graphical and numerical displays for

barometric pressure for the last 24 hours

Altitude Mode

!

Current, Average and Maximum Altitude

!

Air Density and Relative Air Density

!

Density Altitude

!

Altitude Alarm

!

User defined offset for Calibration

!

Ski Run Counter, Ascending and Descending

Distance.

Relative Humidity

!

Current Relative Humidity,

!

Heat Index,

!

Dew Point Temperature and Wet Bulb

Temperature.

Specifications - B17.1

Data Log Mode

!

Log data includes logging time and date,
wind speed, barometric pressure, altitude,
temperature and relative humidity.

Manual and Automatic Data Log

!

User define logging interval for automatic

!

data log
Data transfer from the ADC to PC via the

!

infrared synchronization, ADC-IR unit is
required.

Daily Alarm Mode

Daily Alarm: 1 daily alarm

!

Alarm Duration: about 30 seconds

!

Chronograph Mode

Resolution: 1/100 second

!

Counting range: 99 hours, 59 minutes, 59.99

!

seconds

Measurement: Elapsed time, accumulative

!

elapsed time and lap time.

Lap memory: 50 laps

!

Race Timer Mode

!

Resolution: 1 second

!

Setting limit: 99 hours, 59 minutes, 59
seconds

!

Alarm sound:

!

Last 10 minutes: beep once for every
minute.

!

Last 10 seconds: beep once for every
second.

!

0 second: beeps for about 2 seconds.

Others

!

Electro-luminescent back-light turns on for 3
seconds when activated.

17.2

Accuracy, resolution and units

Wind Speed

Up to 3.0 m/s, better than +/-10%
Over 3.0 m/s, better than +/-5%
Resolution: 0.1 m/s
Units: m/s, km/h, mph, knots, ft/s

Temperature

Better than +/-1 Celsius degree (offset
calibration possible)
Resolution: 0.1 degree
Units: Celsius, Fahrenheit

Barometer

Better than +/-1.5mb (700 ~ 1100 mb) (offset
calibration possible)
Resolution: 0.1 hPa
Units: hPa, mbar, inHg

Altimeter

Better than +/- 3 meter provided properly
calibrated.
Resolution: 1 meter
Units: meter, feet

Humidity

Between 20% and 80%, Better than +/-3.5%
Other range better than +/-5.0%
Resolution: 0.1%

Time

Better than +/- 1 sec/day

Weather Forecast

5 weather forecast symbols that predict the
coming 12-hour weather.

Specikation

Dimensions: 109x50x20 mm
Wind Measuring Range: 0,3 to 40m/s
Temperature Measuring Range: -20 to +40°C
Weight: 70 gram including battery and strap.
Only the strap incl. bracket on ADC 6 gram
Wind Chill: Is measured from 12°C degrees and colder.
Altimeter Measuring Range: -500 to +9000 meters
Barometer Measuring Range: 300 to 1100 hPa

Warranty18

Warranty

2 years against manufacturing/material faults.
The warranty does not apply to modifications,
normal wear and tear or abuse.

Responsibility

Silva is not responsible for any consequences,
direct or indirect, or damage resultant from use
of this product.

Silva Sweden AB

BOX 998, SE-191 29 Sollentuna

[e-mail] - www.silva.se