Manual NTech Seawatch UV Master (page 3 of 7) (English)

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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

eyes, face and neck.

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

Check The

Latest

Uv Index

Wear

Long-sleeved

and Loose-fitting

Clothing

Wear UV

Blocking

Sunglasses

Avoid

Tanning

Beds

Stay Away

From The Sun

If the UV Index is

Very High

Wear a

Broad Brim Hat or

Use An Umbrella

Apply UV

Blocking Lotion

Regularly

Protect Babies

and

Young Child

1) Limit exposure during midday hours.

2) Seek shade.

3) Wear protective clothing.

4) Wear a broad-brimmed hat to protect the

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.

5.2 UV Index Mode - Basic Sun Protection Messages

! 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 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

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.

Current

UV Index

Peak

UV Index

Color Code

[start/stop]

UV Index Mode

(Peak UV Index Display)

UV Alarm

Indicator

Current UV Index

bar segment

Peak UV Index

bar segment

Peak UV Index

Indicator

Current UV Index

Indicator

Cu rr en t

upper row of the display. The Peak UV Index and

5.4 UV Index Mode - Current & Peak UV Index Display

(Current UV Index Display)

! 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.

ing the UV Sensor unintentionally.

maximum reading.

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.

- How UV is Sensing

Position the

UV Sensor

directly to

the source

Rotate the

Watch Slowly

and Search for

Maximum Reading

Avoid Shelter

the UV Sensor

Unintentionally

Clean the lens

of the Watch with

a Soft Cloth before

the measurement

the Sun

UV Index

the Watch

UV Sensor

2) Avoid shelter

3) Rotate the Watch slowly and search for the

4) Clean the lens of the Watch with a soft

5.3 UV Index Mode

Ultraviolet Radiation

How UV is Sensing

Notes to UV Measurement

5.5 UV Index Mode - How to Read UV Index Bar Segment & Color Code

2 Bar Segments; hence UV Index = 2

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

5 Bar Segments; hence UV Index = 5

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 equals one UV Index.

UV Index Bar Segment

For example, if there are 5 bar segments

displayed on the upper row of the display, the UV

Index is 5.

Green

(0-2)

The color code categorized by

the World Health Organization

Yellow

(3-5)

Orange

(6-7)

Red

(8-10)

Purple

(11+)

UV Index Color Code

! As categorized by the World Health Organization,

each UV index is matched with a color code.

Green

Yellow

Red

Purpl

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

UV Index Color Code

code of the current and peak UV index, this

Watch also printed green, yellow, red (stand for

UV Index = 5

orange and red) and purple color on the display.

Read the color code of a UV index by checking

the color background of the right-most exhibited

Color Code: Yellow

UV index bar segment. For example, if there are 5

UV Index Bar Segment & Color Code

bar segments displayed on the upper row of the

display, the color code is Yellow.

10 12

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NTech Seawatch UV Master Manual

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