Electronics Tomorrow 931120406 433MHz Transmitter User Manual

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Document ID	666773
Application ID	Gj+AY8rYERtDRhjsn4zb0Q==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	142.33kB (1779149 bits)
Date Submitted	2006-06-09 00:00:00
Date Available	2006-06-09 00:00:00
Creation Date	2006-05-27 12:44:43
Producing Software	Adobe Acrobat 7.0 Image Conversion Plug-in
Document Lastmod	2006-05-27 12:45:39
Document Title	User Manual
Document Creator	Adobe Acrobat 7.0

Size: 140mm(W) x 177mm(H) M???(4581+9311)
INSTRUCTION MANUAL
Locations of Control
Main Unit (Receiver)
RESET BUTTON
I? RE-SYNC BUTTON
MODE BUTTON
E] + BUTTON
MAX/MIN BUTTON
D RESET BUTTON
RE-SYNC BUTTON
I! IN/OUT TEMP BUTTON
- BUTTON
CLEAR BUTTON
7?
l v.
ii
i.
- The configuration of your clock may differ somewhat from that shown in the illustration
- "AA" or "AAA" size battery. This clock may use more than one piece of battery. Please refer to the
engraved battery marks inside the battery compartment for the correct battery type.
P.1
P.2
FEATURES AND SPECIFICATIONS
BASE UNIT
RF rainfall and temperature measurement
Rainfall history tracking: last hour, last 24 hours
Daily Min. / Max. rainfall tracking with auto daily clearing
Features Decline Principal Rain Measurement Technology*
Indoor / RF outdoor temperature, auto scroll
lndoor temperature range: 32°F to 122°F (0°C to 50°C)
C/F selectable
Memory function to recall Min/Max. temperature readings
Temperature trend arrow indicates rising, falling or constant temperature
12 or 24 hour selectable clock
Calendar with day of the week display
Low battery indicator for base station and rain collector
Table top stand or wall mount
Requires 2 AAA batteries (not included)
RAIN COLLECTOR I REMOTE SENSOR
Self-emptying, waterproof with oversized collection area
Vlfide base to minimize tip-over
Transmission range: 100 ft. (range may be shorter based on interference present)
Transmission frequency: 433MHz
Outdoor temperature range: -4°F to 140°F (-20°C to 60°C)
Includes (4) stainless steel screws and (4) spikes for mounting to solid surface or ground
Requires 2 AA batteries (not included)
BATTERY INSTALLATION AND ACTIVATION
Warning
Do not mix old and new batteries.
Do not mix alkaline, standard (carbon zinc), or rechargeable (nickel cadmium)
batteries.
For maximum performance in normal conditions we recommend using good quality
alkaline batteries. When temperatures are below 32F, alkaline batteries can lose
power resulting in a loss of remote transmission. If you reside in an area that
experiences frequent temperatures below freezing, we recommend using lithium
batteries to minimize the loss of transmission.
Battery installation of Base Unit
Open the battery door at the back of the base unit and insert (2) AAA batteries
according to the polarity markings. Replace the battery door.
Press the RESET button.
Set the clock and calendar as follows. M77?
P3
P4
Setting the Calendar, Clock, °C I °F
When either the clock or calendar IS being displayed, press and hold the MODE
button for 3- 4 seconds until the year display IS flashing
- Press + or - to set the year
- Press MODE to display the date
- Press + or - to set the month and day
- Press MODE to display time
~ Press + or - to set the time
' Press MODE and the display will show 12 hr
- Press + or - to set your clock to 12 hr or 24 hr time format
- Press MODE and the temperature field will be flashing
- Press + or - to select °F or °C format
- Press MODE to lock in the settings
Note: If you set the time and date after initial activation, the accuracy of the rainfall history
data may be affected. Reset the unit to clear the history by pressing the RESET button
then set your desired time and date.
- Press the RE-SYNC button.
' Position the Rain Collector/Remote Sensor close to the base unit.
Battery installation of Rain collector
- Open the rain collector unit outer case as indicated and remove the inner cover to
access RESET/RE-SYNC buttons.
- Using a screwdriver, unscrew the battery door at the side of rain collector and insert (2)
AA batteries according to the polarity markings.
- Press the RESET button.
- Replace the battery door.
- Remove the tape from the pendulum inside to allow it to move freely.
- Close the outer case.
Note : Make sure the battery door is closed securely to prevent water leakage.
' When the REMOTE temperature is shown on the display of the base unit,
synchronization between the base unit and the remote sensor is complete.
POWER UP SYNCHRONIZATION
The base unit will search for the RF signal from the rain collector for 6 minutes after reset
or after batteries are inserted. When the temperature display on the main unit shows the
REMOTE temperature. synchronization between the base unit and remote unit is
complete
The bottom, left of the base unit display will show the NH icon to indicate signal
transmission. If the REMOTE temperature does not show on the display within 6 minutes
after reset, press the RE-SYNC button and the main unit will search for the RF signal for
another 6 minutes. If the base unit still fails to show the out temperature, refer to the
LOSING SYNCHRONIZATION section.
Locating the Base Unit and Remote Sensor
- Choose a suitable place for the base unit and remote outdoor sensor, within the
transmission distance.
- Place the base unit near a window, but away from direct sunlight or sources of heat or
air conditioning to ensure accurate temperature readings.
- The location you choose is critical for maximizing the transmission range. The remote
sensor is designed to transmit unimpeded 80 to 100 ft. Transmitting through walls,
metal doors and metal framed windows may reduce the transmission range. To
optimize the transmission distance. the remote unit should be positioned in a location
that minimizes these obstructions. Other interference from electrical sources such as
home security systems, wireless doorbells and wireless home entertainment equipment
may interrupt the transmission signal temporarily.
Notes
-The outdoor rain collector must be placed on a level horizontal surface for accurate
rainfall measurement.
- Warning: Ice will affect the accuracy of rainfall readings and will damage the internal
mechanism of the rain collector. ln temperatures below freezing the collector can
remain outdoors for temperature data transmission, but the unit must be placed in a
protected area to prevent ice damage.
INDOOR AND OUTDOOR TEMPERATURE
- The indoor temperature is shown after activation until the first outdoor temperature
signal is received. The display will then change to the outdoor temperature reading.
- Press the IN-OUT TEMP button to toggle between indoor and outdoor temperature.
- To activate Auto Scroll mode, press and hold the lN-OUT TEMP button for 3-4
seconds. Double curved arrows will show at the bottom of the LCD display and the unit
will automatically toggle between indoor and outdoor temperature. Press and hold the
IN-OUT TEMP button for 3-4 seconds to de-activate Auto-Scroll mode.
- The temperature trend arrow which is located directly above the temperature reading
will indicate the trend of indoor and outdoor temperatures during the last three minutes.
M???
P.5
VIEWING CLOCK, CALENDAR, RAINFALL RATE AND TOTAL RAINFALL
' Press the MODE button to toggle the main display between time, date, rainfall rate
and total rainfall.
- The rainfall reading is accumulative data since the last press of either the RESET or
CLEAR button. To clear the rainfall reading, press the CLEAR button when the
rainfall reading is shown on the display.
RAIN FALL HISTORY
This unit has a large capacity memory that can store and display:
- Last hour rain fall
- Last 24 hours total rain fall
MAXIMUM AND MINIMUM RECORDS
Temperature Maximum and Minimum
The highest and lowest record of indoor temperature, outdoor temperature and rainfall are
stored automatically after you activate the base unit. You can recall the records at any time
by pressing the MAX/MIN button. With each press of the button, in sequence the display will
show; indoor maximum reached, indoor minimum reached, outdoor maximum, outdoor
minimum, rainfall maximum and rainfall minimum. The corresponding MAX or MIN icon will
be displayed each time. To clear any maximum or minimum record, press the CLEAR button
when the appropriate record is shown on the display.
Rainfall Maximum and Minimum
The rainfall maximum and minimum record is a daily record which counts from 12:00am to
11:59pm every day.
Aside from the automatic daily clear, the rainfall maximum or minimum record can be
cleared by pressing the CLEAR button when the appropriate record is shown on the display.
LOSING SYNCHRONIZATION
If the main unit displayed a proper REMOTE temperature and rainfall rate, but now displays
blanks “--.-°F" or "--.-in", the unit may have lost synchronization. If this occurs, press the
RE-SYNC button of the main unit and the RE-SYNC button on the rain collector. The base
unit will search for the RF signal for 6 minutes and will re-initialize synchronization with the
remote unit.
*DECLINE PRINCIPAL RAIN MEASUREMENT TECHNOLOGY
One of the features that defines our wireless rain gauge as superior to competition is
Decline Principle Rainfall Technology.
P.6
Inside the collector housing there is a teeter bar that has a spoon shaped collector on each
end. When it rains, the rain drains into one of the spoons until the weight of the rain causes the
teeter bar to tip to one side. When the opposing spoon collects enough rain it will cause the
teeter bar to tip the other way. The rate of the rocking back and forth of the teeter bar is
translated into a measurement of rainfall and this data is transmitted to the base station. The
software of competitive units also measures the rocking back and forth of this teeter motion
but has a flaw. When rain is falling steadily and then slows to a trickle it will give a reading
based on the last tip of the teeter bar. It will assume the same continued rate of rainfall from
the last tip and does not recognize the sudden change. Your Springfield rain gauge with
Decline Principal Rainfall Technology is superior in that it is programmed to account for this
sudden difference in rainfall rate. This translates to more accurate readings.
FCC STATEMENT OF COMPLIANCE
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. 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 the 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.
M???

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