Oregon Scientific RMW128C User manual

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RADIO CONTROLLED WATCH
MODEL NO.: RMW128C/ RMW128S
USER’S MANUAL
Congratulations on your purchasing the RMW128C/ RMW128S
Radio-controlled Watch.
The R Watch is a compact, easy-to-handle device with smart-
looking design. The RMW128C (Classic Design) and RMW128S
(Sport Design) are designed to automatically synchronize its current
time and date when brought within an approximate 1500km radius
of the radio signal generated from rankfurt, Germany (DC 77).
This unit also comes with features such as Daily Alarm, Stopwatch,
2nd zone-time and Countdown Timer functions as well as EL back
light.
FEATURES AND KEY CONFIGURATIONS
1. MODE BUTTON
-Press to change the display mode
-Press and hold to enter the setting routine
2. ALARM BUTTON
-Press to display the daily alarm function
-Press and hold to enable/disable the alarm
3. START/STOP (UP) BUTTON
-Press to increase the value of a setting
-Press to start or stop the stopwatch function
-Press and hold to enable auto-reception of radio signal
4. SPLIT (DOWN) BUTTON
-Press to decrease the value of a setting
-Press to reset or change the display of the stopwatch function
-Press and hold to disable auto-reception of radio signal
5. LIGHT BUTTON
-Press to turn on the back light for 3 seconds
6. ZONE BUTTON
-Press to change to 2nd zone time and date display
7. WEEKDAY INDICATOR
8. 2ND ZONE-TIME DISPLAY MODE
9. ALARM MODE
10. ALARM-ON INDICATOR
11. STOPWATCH MODE
12. TIMER MODE
13. RADIO RECEPTION INDICATOR
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BATTERY
The battery is pre-installed at time of manufacture and should be
replaced by authorized dealer only.
Replace the battery when the weekday indicator starts flashing.
BACK LIGHT
Press the LIGHT button to turn on the back light for 3 seconds.
Note: requent use of the backlight will shorten the barttery life.
DISPLAY ODES
Press the ODE button to display the following in sequence:
• Time with Seconds
• Time with Calendar
• Zone Time and Date
• Daily Alarm
• Stopwatch
• Countdown Timer
You can also press ALAR to display the alarm clock and details.
Display will return to the last display mode upon release of the
ALARM button.
MODE

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Press ZONE to display the 2nd zone-time and calender. After 3
seconds the display will return to the Time with seconds display
mode.
ABOUT RADIO RECEPTION
When the unit is within range of its respective radio signals, its
radio-control mechanism will override all manual settings unless
the auto-reception function is mannally disabled by the users.
When the unit is receiving radio signal, the RADIO RECEPTION
icon [ ]will start to blink. A complete reception generally takes
about 2 to 10 minutes, depending on the strength of the radio signal.
After that, the periodical scanning will only take a few seconds.
When the reception is complete, the icon will stop blinking.
For better reception of radio signals, place the watch away from
metal objects and electrical appliances to minimize interference.
To improve the signal reception place the watch on a stable surface
as shown:
NOTES ON RADIO RECEPTION
Signals from other electrical devices such as mobile phones,
computers or other household appliances may cause interference
with this product and results in failure of reception of radio signal.
Metal furniture such as steel table also has similar effect on the
reception. Radio signal reception can also become difficult or even
impossible when the product is situated near radio stations, airports,
in tunnels or underground. This is normal and does not affect the
general performance of the product. In case auto-reception of radio
signalfails, you can manually activatethe receptionagain by pressing
and holding the START/STOP (UP) button for 2 seconds.
To enhance reception of radio signal, you can also:
(a) Move the product to a location which is near to a window; for
optimization you can even leave the product overnight as it will
search for signal automatically at 2:00 am (summer time)/ 3:00
am (winter time); or
(b) Go outdoor and position the product towards the transmission
tower.

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TO ENABLE OR DISABLE AUTO-
RECEPTION
If you wish to disable the auto-reception feature while the unit is
within range, press and hold the SPLIT (DOWN) button for 2
seconds. The antenna indicator will disappear and the unit will
NOT respond to radio signals.
To enable the feature again, press and hold the START/STOP (UP)
button for 2 seconds. The antenna indicator will start blinking to
initiate reception automatically.
SETTING THE CALENDAR CLOCK
ANUALLY
When the unit is not within range of the radio signal, you can set the
time and calendar manually.
1. Press and hold the MODE button for 2 seconds.
2. Enter the year using the START/STOP(UP) orSPLIT (DOWN)
buttons. Hold down either button to rapidly increase or decrease
the value.
3. Press the MODE button to confirm the entry.
4. Enter the months using the START/STOP (UP) or SPLIT
(DOWN) buttons. Press theMODE button to confirm the entry.
5. Follow the same pattern to set the days, hours, minutes, seconds
and 2nd time-zone hour-offset (+/- 12 hours).
6. For second-setting, if its value is between 0 to 29, press either
START/STOP (UP) or SPLIT (DOWN) button will return to
thepresent minute. If its value is between 30to 59, it will proceed
to the next minute. (e.g., when the time is 12:46:28, it will return
to 12:46:00; when the time is 12:46: 48, it will go to 12:47:00).
7. For the 2nd time-zone setting, please note that the 2nd time-
zone hour-offset function comes with automatic Daylight Saving
Time (DST) compensation. When the hour-offset is set from+1
to -12 hours, the 2nd zone-time will synchronize with DCF-DST
and be adjusted automatically. However, when the hour-offset
is set from+2 to +12 hours, no DST compensation will be made.
8. Press the MODE button to save the changes and exit. The unit
will also save all changes and return to normal display
automatically after the unit has been left idle for 2 minutes.
ABOUT THE ALARM
To set the alarm:
1. In the Alarm time display mode, press and hold the MODE
button for 2 seconds and the hours will flash.
2. Use the START/STOP(UP) or SPLIT(DOWN)buttons to enter
the hours.
3. Press the MODE button to confirm.
4. Use the START/STOP(UP) or SPLIT(DOWN)buttons to enter
the minutes.
5. Press the MODE button to confirm.

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To activate the alarm, press and hold the ALARM button for 2
seconds and the ALARM-ON indicator will appear. To deactivate
the alarm, press and hold the ALARM button again.
TO USE THE DAILY ALAR
An alarm will go off for 1 minute in 3-step crescendo patterns if
undisturbed. The ALAR -ON indicator will flash and the alarm
sound will be activated. To mute the alarm, press the ODE,
ZONE, START/STOP (UP) or SPLIT (DOWN) button . If the
Alarm sound is not turned off manually, the alarm will go off again
for once after 8 minutes.
TO USE THE STOPWATCH FUNCTION
To use the stop-watch:
1. Press the ODE button repeatedly to display the Stopwatch function
2. Press the START/STOP (UP) button to start or stop the
stopwatch. The maximum accumulated time is 99 hours, 59
minutes, 59 & 99 1/100 seconds.
To show
:
ST/SP
(
Start )
Elapsed Time
ST/SP
(Stop)
ST/SP
(Start)
ST/SP
(Stop)
SPLIT
(
Clear )

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To show
:
Note:
The stopwatch can continue to operate in other display modes.
The CHRONO icon will flash to indicate its operation.
SETTING THE COUNTDOWN TI ER
This Timer function can measure up to 99 hours, 59 minutes and 59
seconds.
1. Press and hold the ODE button for 2 seconds in the Timer mode.
2. Enter the hours using the START/STOP (UP) or SPLIT
(DOWN) buttons. Hold down either button to rapidly increase
or decrease the value.
3. Press the ODE button to confirm the entry.
4. Enter the minutes using the START/STOP (UP) or SPLIT
(DOWN) buttons. Press the ODE button to confirm the entry.
5. Then, enter the seconds using the START/STOP (UP) or SPLIT
(DOWN) buttons. Press the ODE button to save the changes
and exit.
TO USE THE COUNTDOWN TI ER
To start or stop the Countdown Timer function, press the START/
STOP (UP) button. The Countdown function will continue to
operate in other display modes. The TI ER icon will be flashing
to indicate its operation.
Upon completion of the Countdown function, beep sound will be
turned on for 1 minute.
ST/SP
(
Start )
Split Time
SPLIT
(
Split )
SPLIT
(
Split release )
ST/SP
( Stop )
SPLIT
( Clear )

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RESETTING THE UNIT
The reset function is used to enhance synchronization of signals
after battery replacement or when the unit is operating in an
unfavorable way or malfunctioning. To activate this function, press
and hold the ODE, ZONE, START/STOP (UP) and SPLIT
(DOWN) buttons together for 2 seconds. All settings will return to
their default values.
PRECAUTIONS
This unit is engineered to give you years of satisfactory service if
handled carefully.
- Though the watch is 50-meter water resistant, do not operate
buttons underwater nor wear it when snorkeling or diving.
- Though the watch is designed to withstand normal use, rough
usage or dropping the watch should be avoided.
- Avoid direct contact of the watch with chemicals like colognes,
sun block creams and other toiletries as this would cause
deterioration of the plastic parts of the watch. When the watch
comes into contact with such chemicals, remember to wipe it off
with it dry and soft cloth.
- Store the watch into its plastic container when not in use.
- Paintedor silk-screened finishing on the watch maybe discolored
and worn out by strong pressure, long-term rubbing as well as
frictions.
- Do not clean the unit with abrasive or corrosive materials.
- Do not subject the unit to snow or excessive force, shock, dust,
temperature or humidity.
- Do not tamper with the unit’s internal components.
TECHNICAL SPECIFICATIONS
Operating Temperature : -20ºC to 50ºC
Radio Control : Auto synchronizing time
and date by radio signal
generated from Germany
DC 77
Clock format : 24-hour format/ hh:mm:ss
2nd Zone time Hour-Offset : +/- 12 hours
Date format : dd:mm:with weekday
indication / Auto Calendar
from 2001 to 2098
Alarm Duration : 1-minute crescendo
Stopwatch unction : Up to 99 hours 59 minutes
59 & 99/100 seconds
Countdown Timer unction : Up to 99 hours 59 minutes
59 seconds
Water Resistant : 5 ATM (50 meters)
Battery Type : 1 x CR1620 3V lithium cell
NOTE ON COMPLIANCE
Warming: Changes or modifications to this unit not expressly
approved by the party responsible for compliance could void the
user’s authority to operate the equipment.

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CAUTION
- Thecontent of this manual is subject to change without
further notice.
- Due to printing limitation, the displays shown in this
manual may differ from the actual display.
- The contents of this manual may not be reproduced
without the permission of the manufacturer.
R&TTE Compliance Note
This product complies with the essential requirements of Article 3
of the R&TTE 1999/5/EC Directives, if used for its intended use
and that the following standard(s) has/have been applied:
Efficient use of radio frequency spectrum (Article 3.2 of the R&TTE
Directive) applied standard(s): N / A
Electromagnetic compatibility (Article 3.1.b of the R&TTE
Directive) applied standard(s): ETS 300 683:1997
Safety of information technology equipment (Article 3.1.a of the
R&TTE directive) applied standard(s): EN 60950:1997
Additional information:
The product is therefore conform with the Low Voltage Directive
73/23/EC, the EMC Directive 89/336/EC and R&TTE Directive
1999/5/EC (appendix II) and carries the respective CE marking.
VS-Villingen / Germany August 2001
Gerhard Preis
EC representative of manufacturer
RTTE Compliant Countries :
All EU countries, Switzerland
And Norway