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4.0 Current Time Mode
- Date Display & UV Index Display
! The Current Time Mode includes two function
Day of week
displays. They are the Date Display and UV Index
Display.
Date
Date Display
!The day of week and date appear on the upper
Current Time
*2
(hour, minute,
[start/stop]
row of the display. The current time (hour, minute,
second)
Date Display
second) appears on the lower row of the display.
UV Index Display
Current UV
*1
[start/stop]
Index represents
! Either the Current UV Index info or Peak UV
by bar segments
UV Index
Index info appears on the upper row.
Color Code
Note 1: The Current UV Index info will appear in
Current
this display if the Current UV Index has been
UV Index
UV Index
selected in the UV Index Mode.
Alarm Icon
Note 2: The Peak UV Index info will appear in this
display if the Peak UV Index has been selected in
Current Time
UV Index Display
the UV Index Mode.
(hour, minute,
(Current UV Index)
second)
Check the coming '5.4 Current & Peak UV Index
Peak UV Index represents
Display' Section for more detail on how to select
by bar segments
UV Index
between Current UV Index and Peak UV Index.
Color Code
Peak UVI
! The UV Index Alarm Indicator and the Current
Indicator
Time appear on the lower row of the display.
Peak
UV Index
To Select between the Date Display and UV
Index Display
! Press the [start/stop] button once to select
Current Time
UV Index Display
(hour, minute,
between the Date Display and UV Index Display.
(Peak UV Index)
second)
5
4.1 Current Time Mode
- To Set the Current Time
! To set the current time and date, and their display
reset Second to zero
formats, press and hold the [mode] button for
about 2 seconds to select the setting display.
'12' changes to '24';
! When the '12Hr' or '24Hr' is flashing, press the
'24' changes to '12'.
[start/stop] or [lap/reset] button to switch between
[start/stop]
[start/stop]
'12Hr' (12 hour format) and '24Hr'
or [lap/reset]
or [lap/reset]
Current Time Mode
format).
hold
hold
[mode]
[mode]
[mode]
! When the 'second' flashes on the display,
12/24
second
press [start/stop] or [lap/reset] button to reset
the second to zero.
[mode]
! If one of the setting items (minute, hour, year,
[mode]
[start/stop]
month, day) is flashing, press the [start/stop] or
scroll the
hour
[lap/reset] button to scroll the setting (hold down
minute
setting by
the button to scroll the setting faster).
increment of 1
! When the 'M-D' or 'D-M' is flashing, press the
hold
[mode]
[start/stop]
[start/stop] or [lap/reset] button to switch between
[mode]
scroll
'M-D' (month-day) and 'D-M' (day-month).
M-D/
the setting
year
D-M
! When the above settings are finished, press and
faster
hold the [mode] button for about 2 seconds to exit
[lap/reset]
[mode]
the setting sequence.
[mode]
[mode]
scroll the
! The setting display will change to Current Time
setting by
day
decrement of 1
month
Mode automatically if no key-stoke has been
hold
activated for about 3 minutes.
Current Time
[lap/reset]
Setting Sequence
scroll
[start/stop] or [lap/reset]
the setting
faster
'day-month' changes to 'month-day';
'month-day' changes to 'day-month'.
6
(24 hour
5.0 UV Index Mode
-
What Does the UV Index Mean
The UV Index is a measure of the solar UV
!
(ultraviolet) intensity at the Earth's surface
1
relevant to the effect on human skin.
!
The skin-damaging UV radiation is governed by
the erythemal action spectrum, the black line in
0.1
the adjacent figure.
This spectrum has been adopted by the
!
0.01
International Commission on Illumination (CIE) to
represent the average skin response over the
solar UV spectrum.
0.001
Source:
! World Health Organization
! National Oceanic Atmospheric Administration
0.0001
280 290 300 310 320 330 340 350 360 370 380 390 400
Hong Kong Observatory
!
Wavelength (nm)
Further information (28 August 2003):
1)www.who.int/peh-uv/uv_radiation.htm
Erythemal Action Spectrum
Source: The International Commission on Illumination
2)www.cpc.ncep.noaa.gov/products/stratosphere/
uv_index/uv_information.html
3)www.hko.gov.hk/wxinfo/uvindex/english/
uvbginfo.htm
5.1 UV Index Mode
-
UV Index Range, Exposure Category and Color Code
! As categorized by the World Health Organization,
t
he UV Index
UV Index
Exposure
Color
UV index is matched with an exposure category
Range
Category
Code
and color code. Check the adjacent table for more
detail on UV index range, exposure category and
0 - 2
Low
Green
color code.
3 - 5
Moderate
Yellow
! The lower the UV Index, the lower the UV
exposure category, the less likely the damage to
High
Orange
6 - 7
our body, while the higher the index, the higher
the UV exposure category, the more likely the
8 - 10
Very High
Red
damage to our body.
! This Watch exhibits UV Index.
Purple
11
Extreme
use of the exhibited
his/her exposure level, and hence to taking the
appropriate protections to safeguard his/her body
UV Radiation Exposure Categories
from the potential harms of UV radiation.
Source: World Health Organization
Source:
! World Health Organization
! National Oceanic Atmospheric Administration
! Hong Kong Observatory
Further information (28 August 2003):
1) www.who.int/peh-uv/uv_radiation.htm
2)www.cpc.ncep.noaa.gov/products/stratosphere/
uv_index/uv_information.html
3) www.hko.gov.hk/wxinfo/uvindex/english/
uvbginfo.htm
7
ranges between 0 and 11+. Each
User can make
UV Index
to cross-check
8
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