MA0308-EA
Operation Guide DQR-300
1
Main unit
Sub-unit
F
C
°C/ °F
SELECT
RESET
°C/ °F
SELECT
RESET
CASIO
TEST
TEST
D
E
HUMIDITY
MAX/MIN
TEMP.
MAX/MIN
7
9
8
3
2
A
B
SET
CLEAR
DOWN(—)
WAVE
5
UP(
+
)
HUMIDITY
MAX/MIN
TEMP.
MAX/MIN
RE-SYNC
CLEAR
4
0
6
SET
UP(
)
+
DOWN(—)
WAVE
SELECT
°C/ °F
RE-SYNC
SELECT
°C/ °F
RESET
RESET
°C/ °F
°C/ °F
SELECT
RESET
SELECT
RESET
TEST
TEST
¡
™
• A sticker is affixed to the glass of this clock when you purchase it. Be sure to remove the sticker before using the
clock.
• Depending on the clock model, the configuration of your clock may differ somewhat from that shown in the
illustration.
Alarm Off
Alarm On
Snooze on indicator
Current time
(Hour, minutes, seconds)
Day of the week
¡
™
Alarm on
indicator
PM indicator
Alarm time
Wave OK indicator
DATE (month - date)
Current Temperature
Antenna Icon
Current Humidity
Upcomimg weather
indicator
1
• In locations subject to radio frequency interference, the product may malfunction and require you to reset the
product.
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Operation Guide DQR-300
Turning the Alarm On and Off
Setting the Time and Date Manually
Use the Alarm Mode selector (5) on the side of the clock to turn the alarm on and off, and to select the snooze
• When using the clock in an area that is outside of the range of the transmitter in Mainflingen or in an area where
signal reception is impossible for some reason, you need to manually adjust the time as required.
1. Press the SET button (3) to cycle through the setting screens as shown below.
feature.
Alarm Mode selector
SNZ
Description
Normal Timekeeping Screen
The alarm sounds at the preset time for one minute, and seven
more times every five minutes thereafter. Even if you stop the
alarm sound by pressing the SNOOZE/LIGHT button (1), the
alarm operation is performed again five minutes later.
( )
• The indicator
flashes on the display to indicate that the
snooze feature is activated.
ALM ON
The alarm sounds at the preset time for one minute.
Year Setting Screen
12-hour/24-hour Timekeeping Screen
( )
ALM OFF
The alarm does not sound.
• The alarm time appears in place of the date on the display whenever the Alarm Mode selector (5) is set to ON
or SNZ.
• The light also turns on for the first four seconds that the alarm sounds.
• The alarm sound changes over four levels as it sounds.
Stopping the Alarm
• When alarm is sounding, press the SNOOZE/LIGHT button (1) to stop it. When the snooze feature is turned
Month and Day Setting Screen
Time Setting Screen
on, the alarm will sound again in about five minutes.
• To turn off the snooze feature, slide the Alarm Mode selector (5) to OFF.
USING THE LIGHT
Pressing the SNOOZE/LIGHT button (1) turns on the light and illuminates the display for easy reading in the
dark.
2. While the screen you want is on the display, use the Alarm Time Set buttons (2) to change the digits that are
flashing.
Important!
• Overuse of the light can shorten battery life.
BATTERY REPLACEMENT
Low Battery Warning
Press + to increase
Press
—
to decrease
UP( )
+
DOWN(—)
the flashing digits.
the flashing digits.
• Holding down + or – changes the flashing digits at high speed.
• You can set the year in the range of 2000 to 2039. The day of the week is set automatically in accordance with
the date setting.
• Pressing + or – while the Time Setting Screen is on the display causes the seconds count to be reset to 00.
• Each press of + or – while the 12-hour/24-hour Timekeeping Screen is on the display toggles between 12-hour
and 24-hour timekeeping.
A
indicator appears on the display to let you know when battery power is low. Replace the batteries as soon
as possible.
Note that the
indicator appears on both the main unit and sub-unit when sub-unit battery power goes low.
To replace main unit batteries
Replace batteries whenever the display of the clock becomes dim and difficult to read.
1. Open the battery compartment cover as shown in the illustration.
2. Remove all of the old batteries.
3. After making the settings you want, use the SET button (3) to display the Normal Timekeeping Screen.
• The clock automatically returns to the Normal Timekeeping Screen if you leave a setting screen on the display for
about three minutes without performing any operation.
3. Load a full set of new batteries. Make sure that their positive (+) and negative (–) ends face in the correct
directions. If you load batteries incorrectly, they can burst and damage the clock.
4. Replace the battery compartment cover.
5. Press the RESET button (6). Be sure to press the RESET button (6) after replacing batteries.
USING THE ALARM
The alarm sounds and the light turns on when the alarm time you set is reached. You can also use the Alarm
Mode selector (5) to select the snooze alarm feature.
To replace sub-unit batteries
1. Open the stand so you can see the back cover.
2. Remove the back cover screw, and then open the back cover.
3. Remove both old batteries.
4. Load new batteries. Make sure that their positive (+) and negative (–) ends face in the correct directions.
If you load batteries incorrectly, they can burst and damage the product.
5. Replace the back cover and secure it in place with the screw.
6. Press the RESET button (D). Be sure to press the RESET button (D) after replacing batteries.
7. Press the RE-SYNC button (A).
Setting the Alarm Time
Use the Alarm Time Set buttons (2) to set the alarm time.
Pressing the Alarm Time Set buttons (2) causes the alarm time to appear in place of the date on the display.
Press to change the
alarm time setting (+)
Press to change the
alarm time setting (
UP( )
+
DOWN(—)
—
)
• Holding down + or – changes the digits at high speed.
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Operation Guide DQR-300
Battery precautions
High Temperature and Low Temperature Memory
• Keep batteries out of the reach of small children. If a battery is accidentally swallowed, contact your physician
• The following data is stored in memory automatically.
Main unit high temperature and low temperature
Sub-unit high temperature and low temperature
immediately.
• Be sure to load the batteries with their positive (+) and negative (–) ends facing correctly.
• Never mix old and new batteries, or batteries of different brands.
• Never charge the batteries that come with the clock.
• Should batteries ever leak while in the clock, wipe out the fluid with a cloth, taking care not to let any get onto
your skin.
• Replace the batteries at least once a year, even if the current batteries are working properly.
• The batteries that come with the clock lose some of their power during transport and storage.
Current temperature and humidity
THERMOMETER FUNCTIONS
MAX/MIN TEMP. button (7)
Both the main unit and the sub-unit are equipped with their own temperature sensors. Temperature data measured
by the sub-unit is sent by wireless transfer to the main unit. You can toggle the main unit display between the main
unit temperature reading and the sub-unit temperature reading. This makes it possible to view both the indoor and
outdoor temperature on the main unit display.
Main unit high temperature and low temperature
Sub-unit high temperature and low temperature
Temperature Measurements
• Both the main unit and the sub-unit take temperature measurements every 16 seconds.
• The temperature display shows “LO” for temperatures below –50°C (–58°F) and “HI” for temperatures above
70°C (158°F).
• Though temperature readings are displayed up to 0°C (32°F) and greater than 41°C (105°F), note that such
readings are actually outside the guaranteed temperature range of this clock.
Switching between Celsius and Fahrenheit
• Push the °C/ °F button (0) to select either Celsius (°C) or Fahrenheit (°F).
Celsius (°C)
Fahrenheit (°F)
• To clear the high temperature and low temperature data memory, press the CLEAR button (9).
New data starts to be stored after memory is cleared.
°C/ °F button (0)
°C
°F
Switching between Main Unit and Sub-unit Temperature Data
• Press the SELECT button (B) to toggle the display between the main unit (INDOOR) temperature and the sub-
unit (OUTDOOR) temperature.
Main unit temperature: INDOOR indicator displayed
Sub-unit temperature: OUTDOOR indicator displayed
CLEAR button (9)
• The display does not change to the sub-unit (OUTDOOR) temperature if no data has been received from the sub-
unit yet.
• Holding down SELECT button (B) for about two seconds causes the display to continually toggle between the
main unit and sub-unit temperature at five-second intervals.
Main unit
Sub-unit
OUTDOOR
INDOOR
SELECT button (B)
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Operation Guide DQR-300
HYGROMETER FUNCTIONS
• To clear the high humidity and low humidity data memory, press the CLEAR button (9).
New data starts to be stored after memory is cleared.
Both the main unit and the sub-unit are equipped with their own humidity sensors. Humidity data measured by the
sub-unit is sent by wireless transfer to the main unit. You can toggle the main unit display between the main unit
humidity reading and the sub-unit humidity reading. This makes it possible to view both the indoor and outdoor
humidity on the main unit display.
Humidity Measurements
• Both the main unit and the sub-unit take humidity measurements every 16 seconds.
• The humidity display shows “LO” for humidity below 10% and “HI” for humidity above 90%.
Switching between Main Unit and Sub-unit Humidity Data
• Press the SELECT button (B) to toggle the display between the main unit (INDOOR) humidity and the sub-unit
(OUTDOOR) humidity .
CLEAR button (9)
Main unit humidity: INDOOR indicator displayed
Sub-unit humidity: OUTDOOR indicator displayed
• The display does not change to the sub-unit (OUTDOOR) humidity if no data has been received from the sub-unit
yet.
• Holding down SELECT button (B) for about two seconds causes the display to continually toggle between the
main unit and sub-unit humidity at five-second intervals.
Main unit
Sub-unit
OUTDOOR
INDOOR
USING THE SUB-UNIT
SELECT button (B)
Data Transfer from the Sub-unit
• Data is transferred from the sub-unit to the main unit every three minutes.
• The sub-unit is able to send data to the main unit up to an unobstructed distance of about 30 meters.
• The data receive status is indicated on the display of the main unit by the icons shown below.
High Humidity and Low Humidity Memory
• The following data is stored in memory automatically.
Main unit high humidity and low humidity
Sub-unit high humidity and low humidity
Receive successful
Receive unsuccessful
• If a receive operation is not successful for some reason, the display of the main unit shows dashes (–) in place of
the sub-unit temperature and humidity values.
• If you experrience problems with data transfer, press the RE-SYNC button (A) to synchronize the two units.If
this does not eliminate the problem,try changing the positions or orientations of the main unit and sub-unit.
• The transferred data includes temperature and humidity data.
Current temperature and humidity
MAX/MIN HUMIDITY button (8)
Switching between Celsius and Fahrenheit
• Push the °C/ °F button (F) to toggle between Celsius (°C) and Fahrenheit (°F).
Celsius (°C)
Fahrenheit (°F)
Main unit high humidity and low humidity
Sub-unit high humidity and low humidity
°C/ °F button (F)
Switching between Current Temperature and Humidity
• Press the SELECT button (C) to toggle the display between the current temperature and current humidity.
• Holding down SELECT button (C) for about two seconds causes the display to continually toggle between the
temperature and humidity at five-second intervals.
Temperature
Humidity
SELECT button (C)
Location
• Place the sub-unit in a location where it will not be exposed to rain, direct sunlight, or other elements.
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Operation Guide DQR-300
USING THE WEATHER FORECAST FEATURE
A built in pressure sensor makes it possible to forecast upcoming weather over the next 12 hours based on
changes in barometric pressure. Note that these forecasts are not absolutely accurate, and are intended for
general reference only.
Weather Forecasts
• Barometric pressure readings are taken every 15 minutes. Weather forecasts are based on the last six readings.
Upcoming weather forecasts are displayed using the graphic indicators shown below.
Sunny
Sunny, some clouds
Cloudy
Rain
Stormy
• Upcoming weather trends are indicated as shown below.
Improving weather Deteriorating weather
Stable weather
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