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11

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!

When you go out in the sun, World Health 
Organization (WHO) suggests taking the following 
protective measures against UV radiation:

World Health Organization

1) Limit exposure during midday hours.
2) Seek shade.
3) Wear protective clothing.
4) Wear a broad-brimmed hat to protect the 

eyes, face and neck.

5) Protect the eyes with wrap-around-design 

sunglasses or sunglass with side panels. 

6) Use and reapply broad-spectru sunscreen 

of sun protection factor (SPF) 15+ liberally.

7) Avoid tanning beds.
8) Protect babies and young children.

Source: 

!
!

Hong Kong Observatory

Further information 

(28-08-2003)

:

1) www.who.int/peh-uv/uvindex.htm     
2) www.hko.gov.hk/wxinfo/uvindex/english/

euvtoday.htm

!

This Watch uses a built-in UV sensor to detect 
ambient Ultraviolet radiation which is then  
converted to UV Index. 

!

 

The UV Sensor is the small spot that 

is 

located

on 

the lower part of the dial. Check the previous 

'2.0 

Parts and Its Functions'

 Section for the

detail on 

the location of the UV Sensor.

Notes to UV Measurement

!

 

To make an accurate result, employ the 
following 

steps

 when taking a UV measurement:

1) Position the UV Sensor directly to the source 

of radiation, for example the Sun.

2)

 

Avoid shelter

ing

 the UV Sensor unintentionally.

3)

 

Rotate the Watch slowly and search for the 
maximum reading.

4) Clean the lens of the Watch with a soft 

cloth before the measurement, this practice  
allows NO dirt or dust sheltering the UV sensor.

!

During the first five minutes of UV Index Mode, the 
Watch needs two seconds to get a reading. 

!

After the first five minutes of UV Index Mode, the 
Watch needs 10 seconds to get a reading.

!

The UV Index Mode includes two functional 
displays. They are the Current UV Index Display 
and Peak UV Index Display.

Current UV Index Display

!

 

The Current UV Index Bar Segment 

displays

 on 

the upper row of the display. The   Cu rr en t  UV  
Index and UV Index Alarm Indicator 

display

 on the 

lower row of the display.

Note: 

When this display has been selected, and 

then the watch returns to Current Time Mode: the 
Current UV Index Bar Segment and Current UV 
Index will 

display

 if UV Index Display is selected.

Peak UV Index Display

!

The Peak UV Index Bar Segment appears on the 
upper row of the display. The Peak UV  Index and 
the UV Index Alarm Indicator appear on the lower 
row of the display.

Note: 

When this display has been selected, and 

then the watch returns to Current Time Mode: the 
Peak UV Index Bar Segment and Peak UV Index 
will 

display

 if UV Index Display is selected.

To Select between the Current and Peak UV 
Index Display 

!

Press the [start/stop] button once to select 
between the Current UV Index Display and Peak   
UV Index Display.

UV Index Bar Segment

!

To provide user a quick concept about the Current 
and Peak UV Indexes, this Watch exhibits them 
by displaying 

different number of bar segments on 

the upper row of the display. 

!

Whether the Current or Peak UV Index Bar 
Segment 

appear

 on the upper row of the display, 

one exhibited bar segment equal

s

 one UV Index. 

For example, if there are 5 bar segments 

displayed

 on the upper row of the display, the UV 

Index is 5. 

UV Index Color Code

R

ead the color code of a UV index by checking 

the color background of the right-most exhibited 
UV index bar segment. For example, if there are 5 
bar segments 

displayed

 on the upper row of the 

display, the color code is Yellow.

!

As categorized by the World Health Organization, 
each UV index is matched with a color code. 
Check the previous 

'5.1 UV Index Range, 

Exposure Category and Color Code' 

Section for 

more detail on the Color Code. 

!

To provide user a quick concept about the color 
code of the current and peak UV index, this 
Watch also printed green, yellow, red (stand for 
orange and red) and purple color on the display.  

!

5.2 UV Index Mode 

- Basic Sun Protection Messages

5.3 UV Index Mode 

- How UV is Sensing

5.4 UV Index Mode 

- Current & Peak UV Index Display

5.5 UV Index Mode 

- How to Read UV Index Bar Segment & Color Code

Current 
UV Index

Peak
UV Index

UV Index
Color Code

[start/stop]

UV Index Mode

(Current UV Index Display)

UV Index Mode

(Peak UV Index Display)

UV Alarm 

Indicator

Current UV Index

bar segment

Peak UV Index 

bar segment

Check The 

Latest

Uv Index

Position the 

UV Sensor

directly to 

the source

1.

1.

3.

3.

5.

7.

2.

2.

4.

4.

6.

8.

Wear 

Long-sleeved 

and Loose-fitting 

Clothing

Rotate the 

Watch Slowly

and Search for 

Maximum Reading

Wear UV

Blocking 

Sunglasses

Avoid 

Tanning 

Beds

Stay Away

From The Sun

If the UV Index is 

Very High

Avoid Shelter 

the UV Sensor
Unintentionally

Wear a

Broad Brim Hat or 

Use An Umbrella

Clean the lens 

of the Watch with 

a Soft Cloth before 

the measurement

Apply UV

Blocking Lotion

Regularly

Protect Babies 

and 

Young Child

Peak UV Index

Indicator

Current UV Index 

Indicator

UV Index Bar Segment

UV Index Bar Segment & Color Code

2 Bar Segments; hence UV Index = 2

5 Bar Segments; hence UV Index = 5

UV Index = 5

Color Code: Yellow

UV Index Color Code

the Sun

Ultraviolet Radiation

How UV is Sensing

Notes to UV Measurement

UV Index

the Watch

UV Sensor

Green

(0-2)

Green

The color code categorized by 
the World Health Organization

Yellow

(3-5)

Yellow

Red

Orange 

(6-7)

Red

(8-10)

Purple

(11+)

Purple

Summary of Contents for UV Master UV-100

Page 1: ...de button mode Button l Press the button to select among the 5 function modes l In function modes Press and hold the button to select setting display l During setting displays Press the button to select among different setting items Press and hold the button to exit setting sequence start stop Button l In Current Time Mode Press the button to select between the Date Display and UV Index Display l ...

Page 2: ... intensity at the Earth s surface relevant to the effect on human skin The skin damaging UV radiation is governed by the erythemal action spectrum the black line in the adjacent figure This spectrum has been adopted by the International Commission on Illumination CIE to represent the average skin response over the solar UV spectrum Hong Kong Observatory Further information 28 August 2003 1 www who...

Page 3: ...x Display is selected To Select between the Current and Peak UV Index Display Press the start stop button once to select between the Current UV Index Display and Peak UV Index Display UV Index Bar Segment To provide user a quick concept about the Current and Peak UV Indexes this Watch exhibits them by displaying a different number of bar segments on the upper row of the display Whether the Current...

Page 4: ...y using the following rules 1 Correct UV Index The UV index produced by a standard UV generator or other similar means 2 Exhibited UV Index The UV Index exhibited by the Watch when it is exposed to the previous standard UV generator 3 ADJ The percentage change of UV Index Hence ADJ Correct UV Index Exhibited UV index Exhibited UV index X 100 4 Calibration Factor CAL The value that to be selected f...

Page 5: ...he Daily Alarm Mode Section for more detail on how to set the Daily Alarm Mode The Daily Alarm Display The Current Time hours minutes shows on the upper row of the display The Alarm Time hours minutes shows on the lower row of the display Press the lap reset button once to select between ON and OFF the hourly chime When the Hourly Chime Indicator appears the hourly chime is ON the Watch will beep ...

Page 6: ...old the mode button to exit the setting sequence The setting display will change to Timer Mode automatically if no key stoke has been activated for about 3 minutes scroll the setting by decrement of 1 scroll the setting by increment of 1 Minute Hour Second hold mode hold mode mode mode scroll the setting faster scroll the setting faster start stop lap reset hold start stop mode hold lap reset Time...

Page 7: ...mages this limitation will still be in effect This limitation of liability cannot be waived or amended by any person This limitation is applicable under the condition that whether damages are sought or a claim made under the limited warranty as mentioned in this manual or as a tort claim including negligence and strict product liability a contract claim or any other claim The Company disclaims all...

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