Oregon Scientific Radio Controlled Projector Alarm Clock Ew98 Users Manual C

EW98 to the manual 63b194f1-70db-4da9-b61b-31ed50561520

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the alarm time for 5 seconds.
• Press it again to turn on/off the alarm.

Note When the sensor signal is received, the icon “ ”
will be displayed on the LCD.

Projection Alarm Clock
with Indoor / Outdoor Thermometer and Ice Alert
Model: EW98
USER MANUAL

10.SET ALARM key:
• Press it once to turn on the backlight for 5
seconds, and press it again to enter the alarm
time setting mode.
• In alarm time setting mode, press it to step the
setting items.

1.

Thank you for your purchase of this Projection Alarm
Clock. Please read these instructions carefully and
keep the manual well for future reference.

11.FOCUS turning knob:
• Focus the projected image.

2.

The receiver unit has a clear and easy-to-read display
that shows the indoor temperature, time, calendar, the
maximum & minimum temperature records in the past 24
hours as well as the outdoor temperature measured and
transmitted from the remote sensors. It is able to receive
and display readings from up to 3 remote sensors.

13.RESET key:
• Press it to return all values to default values.
• In case of malfunction, the unit may be required
to reset.
14.°C/°F slide switch:
• Slide it to switch between Celsius and Fahrenheit.

This product is designed to synchronize its date and
time automatically once it is within range of the WWVB-60
signal from the atomic clock in Fort Collins, Colorado.

15.SENSOR key:
• Press it once to turn on the reception of
transmitter signal (433 MHz).
• During the reception period, press and hold it
for 3 seconds to stop the reception.

OVERVIEW
16.PROJECTION ON/OFF slide switch:
• Slide it to turn on/off the projector.
1

17.180° FLIP key:
• Press it to rotate the projected image by 180°.

2

18.RCC key:
• In normal time mode, press it once to receive
the RC signal for reception testing.

3

19.BATTERY DOOR

4

LCD DISPLAY

5
6

1. Time zone
2. Low battery indicator
3. Signal reception indicator
4. Indoor temperature 1
5. Channel
2
6. Sensor signal
3
7. Outdoor temperature4
8. °C & °F
9. Alarm time & Date
10. Min and Max temperature
11. Time

9
10

7
8

11

13 14 15 16

11
10
9
56 7 8

17
18

1

2

19

3

2.SNOOZE/LIGHT key:
• In normal time mode, press it once to turn on
the backlight for 5 seconds.
• Press it to silence the current alarm when it is
going and enter the snooze mode for 8 minutes.
3.LCD display:
• Displays time, indoor & outdoor temperature,
date.
4.Ice alert indicator light:
• Flashes when the outdoor temperature is
between -2.0°C(28 °F) and 3.0°C(37 °F).

2.Wall-mounting holder:
• Supports the sensor on the wall.

Place the sensor in location away from direct
sunlight and rain.
•
Do not place the sensor more than 30 m (100 ft)
from the main (indoor) unit.
•
Position the sensor so that it faces the main
(indoor) unit, minimizing obstructions such as
doors, walls, and furniture.
•
Place the sensor in a location with a clear view to
the sky, away from metallic or electronic objects.
•
Position the sensor closer to the main unit during
cold winter months as below-freezing
temperatures may affect battery performance
and signal transmission.
The transmission range may vary depending on many
factors. You may need to experiment with various
locations to get the best results.
Standard Alkaline batteries contain significant amounts
of water. Because of this they will freeze in low
temperatures of approximately -12°C (10°F).
Disposable Lithium batteries have a much lower
threshold for temperature with an estimated freezing
range of below -30°C (-22°F).
Wireless ranges can be impacted by a variety of
factors such as extremely cold temperatures. Extreme
cold may temporarily reduce the effective range
between the sensor and the base station. If the unit’s
performance fails due to low temperature, the unit will
resume proper functioning as the temperature rises
to within the normal temperature range (i.e. no
permanent damage will occur to the unit due to low
temperatures).
RECEPTION OF RADIO CONTROLLED TIME SIGNAL

The wave segment flashing means time signals are
being received. The signal quality could be classified
into 3 types:
No signal

1.

4.CHANNEL slide switch:
• Assign the sensor to channel 1, 2 or 3.

2.

5.BATTERY COMPARTMENT:
• Accommodates 2 AAA size batteries.

6.SET CLOCK key:
• In normal time mode, press it once to enter the
normal time setting mode.
• In normal time setting mode, press it to step
the setting items. Press and hold it to exit the
setting mode in any step.

2.
3.

RECEPTION OF SENSOR SIGNAL
OPERATING THE MAIN UNIT
1.

4.
5.

Remove the battery door and insert 2 new AA
size batteries as per the polarity information
marked on the battery compartment.
Press “RESET” key to restart the clock.
Slide “°C/°F” switch to select between Celsius
and Fahrenheit.
Slide the battery door back on.
Press “+/CHANNEL” key to select the desired
channel.

7.-/MIN.MAX. key:
• Press it to show the minimum and maximum
temperature records in the past 24 hours.
• Press and hold it for 3 seconds to delete the
minimum and maximum temperature records.
• In time setting mode, press it to decrease the
setting values.

Main unit is searching for the sensor(s)
(the icon will be flashing)
The sensor(s) cannot be found

Weak signal

Excellent signal

Note

3.RESET key:
• Press it to restart the sensor and return all values
to default values.

6.BATTERY DOOR

9.ALARM ON/OFF key:
• Press it once to turn on the backlight and display

6

1.LED indicator:
• Flashes when the remote unit sensor a reading.

5.+/CHANNEL key:
• Press it once to switch between Channel 1, 2
and 3.
• Press and hold it for 2 seconds to view the
channels automatically Press it again to exit
the automatic display mode.
• In time setting mode, press it to increase the
setting values.

8.DC jack:
• Plug DC adaptor to power the clock.

•

SIGNAL RECEPTION INDICATOR

4
5

1.Projector:
• Use it to project the time and temperature.

Note

The time and calendar are radio-controlled. The current
time and calendar are automatically synchronized with
the atomic clock signal from Fort Collins, Colorado.
When used for the first time (after inserting batteries
or pressing “RESET” key), the clock will start to search
for the atomic clock signal and the signal reception
icon will flash for 5 minutes.

SENSOR
12

Remove the battery door and slide “CHANNEL”
switch to CH 1. (When using additional sensors,
make sure each sensor is assigned a different
CHANNEL number.
Insert 2 new AAA batteries, matching polarities
(+/-).
Press the “RESET” key .
Slide the battery door back on.

3.
4.

12.BATTERY COMPARTMENT:
• Accommodates 2 AA size batteries.

The 433 MHz technology means no wire installation is
required and you can place the sensors within 30m
(100ft) from the main (indoor) unit.

RECEIVER

OPERATING THE SENSOR

3.
4.

5.

The unit will automatically search for the time
signal at 2:00am (3:00am or 4:00am is also
available if the signal is not received at 2:00am),
8:00am, 2:00pm, and 20:00 each day.
Always place the unit away from electrical
devices such as televisions, computers,
telephones, etc.
Avoid placing the unit on or next to metal plates.
If possible, place the unit next to a window.
Signal reception is greatly decreased when located
in closed areas like basements or metal buildings.
Do not start reception in moving vehicles or trains.

TIME AND CALENDAR MANUAL SETTING
If you are out of reach of the Radio Controlled
transmitter or if the reception is not reachable, the
time and calendar can be set manually. As soon as the
signal of transmitter is received again, the clock will
automatically synchronize with the exact time and
calendar.
1.
In normal time mode, press “SET CLOCK” key
once to enter the time setting mode.
2.
Press “+/CHANNEL” or “-/MIN.MAX.” key to
change the settings.
3.
Press “SET CLOCK” to confirm. The setting order
is: 12/24-hr format, time, time zone offset, year,
day/month format, date.
4.
Press “SET CLOCK” key to save and exit the
setting mode.

Sensor 1 has been found
(the icon will be displayed,
but won't flash)
and “--.-”
(Outdoor
temperature
Area)

The sensor(s) cannot be found after
operating the main unit for 15 minutes

12/24 Hr setting

Time setting

Time zone setting

Month-Date setting

MD/DM setting

Year setting

Note
1.
2.

MAX.temperature records

During the setting period, press and hold “+/
CHANNEL” or “-/MIN.MAX.” key to speed up the
change of settings.
The time zone indicators are abbreviated as
below: P=Pacific, M=Mountain, C=Central,
E=Eastern.

ALARM TIME SETTING
1.
2.
3.

In normal time mode, press “SET ALARM” key
once to enter the alarm time setting mode.
Press “+/CHANNEL” or “-/MIN.MAX.” key to set
hour/minute.
Press “SET ALARM” key to save and exit the
setting mode “ ” indicates alarm is ON.

Normal time mode

MIN.temperature records

USING ICE ALERT FUNCTION
If the outdoor temperature range is -2.0ºC ~ 3.0ºC
(28.4ºF ~ 37.4ºF), the ice alert indicator light will be
turned on and flash.
BATTERY REPLACEMENT
If the low battery icon turns on next to the outdoor
temperature reading, replace the sensor’s battery with
2 AAA batteries.
If the low battery icon turns on next to time, replace
the main unit’s battery with 2 new AA batteries.

2.

The alarm will be automatically turned on when
you set the alarm time.
During the alarm time setting period, press and
hold “+/CHANNEL” or “-/MIN.MAX.” key to speed
up the change of settings.

2.
3.

Follow the directions above to set the alarm
time.
In normal time mode, press “ALARM ON/OFF”
key once to display the current alarm time.
Press it again to turn alarm ON/OFF.

TO SILENCE THE ALARM
1.
2.
3.

Note
Attention! Please dispose of the used unit or batteries
in an ecologically safe manner.

For the sensor, place the screw on the desired wall and
hang the sensor by the recessed hole in the back of it
or simply place it on the desktop.
For the main unit, you can just place it on the table by
itself.

1.
2.
3.
4.
5.
6.
7.

Slide “PROJECTION ON/OFF” to turn on the
projection function.
Press “SNOOZE/LIGHT” to turn on the projector
for 5 seconds.
When using DC power adapter, the projector will
be turned on all the time.
The indoor and outdoor temperature will be
projected alternatively for 5 seconds.
If the alarm is set to go off, the alarm icon “
”
will be projected.
Press “180 FLIP” to rotate the projected image
by 180°.
Turn “FOCUS” knob to focus the projected image.

READING INDOOR AND OUTDOOR TEMPERATURE
RECORDS
Slide “ºC/ºF” switch to select between Celsius and Fahrenheit.
Note
1.
2.

If no signals are received or the transmission is
interfered, “--” will appear on the display.
Replace the batteries if the batteries are low,
relocate the sensor or main display unit away
from electronic devices, or hit the reset buttons
on the main display unit and sensor.

VIEWING THE MINIMUM AND MAXIMUM
TEMPERATURE RECORDS
1.
2.
3.

In normal mode, press “-/MIN.MAX.” key twice to
show the minimum indoor & outdoor temperature
records in the past 24 hours.
Press it again to show the maximum temperature
records.
Press it again to exit.

Note Press and hold it for 3 seconds to delete the
minimum and maximum temperature records.

This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1)This device may not cause harmful interference,
and (2)This device must accept any interference
received, including interference that may cause
undesired operation.
WARNING 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.
Note This equipment has been tested and found to
comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation.

USING THE PROJECTOR

Note

For international inquiries, please visit:
www2.oregonscientific.com/about/international
FCC STATEMENT

PLACEMENT OF MAIN UNIT AND SENSOR

Press “SNOOZE/LIGHT” to silence the alarm
for 8 minutes. The “ ” will be flashing.
Press any other key to turn the alarm off and
activate it again after 24 hours.
If no key is pressed within 120 seconds, the
alarm will be turned off and be activated again
after 24 hours.

Slide the “PROJECTION ON/OFF” switch to turn on/
off the projection light. The projection light must be on
a dark background and within 1-4 meters (3 to 12 feet)
from the clock, see example below:

ABOUT OREGON SCIENTIFIC
Visit our website (www.oregonscientific.com) to learn
more about Oregon Scientific products. If you’re in the
US and would like to contact our Customer Care
department directly, please visit:
www2.oregonscientific.com/service/support

USING ALARM FUNCTION
1.

Note The technical specifications for this product
and the contents of the user manual are subject to
change without notice.

Low battery indicator

Alarm time setting

Note
1.

collected separately for special treatment and
not as normal household waste.
• Placement of this product on certain types of
wood may result in damage to its finish for which
Oregon Scientific will not be responsible. Consult
the furniture manufacturer’s care instructions for
information.
• The contents of this manual may not be reproduced
without the permission of the manufacturer.
• Do not dispose old batteries as unsorted municipal
waste. Collection of such waste separately for
special treatment is necessary.
• Please note that some units are equipped with a
battery safety strip. Remove the strip from the
battery compartment before first use.

SPECIFICATIONS
TYPE

DESCRIPTION

MAIN UNIT
LxWxH

138 x 42 x 82 mm
(5.43 x 1.65 x 3.23 in)

Weight

196g

Signal frequency

433 MHz

Temperature
range

-5°C to 50°C (23°F to 122°F)

Temperature
resolution

0.1°C (0.2°F)

Ice alert
temperature range

3°C to -2°C
(37°F to 28°F)

Power

2 x AA 1.5V batteries

REMOTE UNIT (EW-99)

This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment
and receiver.
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio / TV
technician for help.

DECLARATION OF CONFORMITY
The following information is not to be used as contact
for support or sales. Please visit our website at
www2.oregonscientific.com/service/support for all
inquiries.

LxWxH

58 x 23 x 100 mm
(2.28 x 0.9 x 3.94 in)

Weight

52g

Signal frequency

433 MHz

Number of channel

3

We
Name:
Address:

Transmission range

30 m (98 ft) unobstructed

Telephone No.:

Temperature range

-20°C to 60°C (-4°F to 140°F)

Declare that the product

Power

2 x AAA 1.5V batteries

Product No.:
Product Name:

Note We recommend that you use alkaline batteries
with this product for longer usage and lithium batteries
in temperatures below freezing.

Manufacturer:
Address:

PRECAUTIONS
• Do not subject the unit to excessive force,
shock, dust, temperature or humidity.
• Do not cover the ventilation holes with any items
such as newspapers, curtains etc.
• Do not immerse the unit in water. If you spill liquid
over it, dry it immediately with a soft, lint-free cloth.
• Do not clean the unit with abrasive or corrosive
materials.
• Do not tamper with the unit’s internal components.
This invalidates the warranty.
• Only use fresh batteries. Do not mix new and old
batteries.
• Images shown in this manual may differ from
the actual display.
• When disposing of this product, ensure it is

Oregon Scientific, Inc.
19861 SW 95th AVe., Tualatin,
Oregon 97062 USA
1-800-853-8883

EW98
Projection Alarm Clock with
Indoor / Outdoor Thermometer
and Ice Alert
IPM Concepts Limited
Block C, 9/F, Kaiser Estate,
Phase 1,41 Man Yue St.,
Hung Hom, Kowloon,
Hong Kong

is in conformity with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1)
2)

This device may not cause harmful
interference.
This device must accept any interference
received, including interference that may cause
undesired operation.

C 2009 Oregon Scientific. All rights reserved



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