WIRELESS MULTI-ZONE
THERMOMETER and HYGROMETER
with CLOCK
Model No. 91756
User’s Manual
BASE STATION
REMOTE SENSOR
FEATURES AND SPECIFICATIONS
BASE STATION
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Indoor / wireless outdoor temperature, °C / °F selectable
Indoor / wireless outdoor humidity
Memory function to recall min / max temperature and humidity readings
Temperature trend indicators
Can accept up to 3 remote temperature and humidity sensors
Remote channel auto-scroll
Programmable high / low temperature alert
Heat Index readings
12 / 24 hour clock with alarm
Calendar
Countdown timer – 23 hours, 59 minutes, 59 seconds
Low battery indicators for base station and remote
Indoor temperature range: 14°F to 158°F (-10°C to 70°C)
Indoor humidity range: 20% to 95%
Tabletop easel stand or wall mount
Uses (2) AAA batteries (not included)
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Locating the Base Station and Remote Sensor
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Choose a suitable place for the base station and remote outdoor sensor, within the transmission distance.
Place the base station near a window, but away from direct sunlight or sources of heat or air conditioning to ensure
accurate temperature readings. The remote sensor is water resistant, but not waterproof. Locate the sensor out of
direct sunlight, in an area where it will not be exposed to rain, snow or ice.
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The location you choose is critical for maximizing the transmission range. The remote sensor is designed to transmit
up to 100 ft. unimpeded. Although the RF signal may travel through solid surfaces or objects, transmitting through
walls, metal doors, metal framed windows, thick concrete, stone or brick may reduce the transmission range. To
optimize the transmission distance, the base and remotes should be positioned in locations that minimize these
obstructions. Interference from other sources such as home security systems, wireless doorbells and wireless home
entertainment equipment may interrupt the transmission signal temporarily.
In areas of extreme low temperatures (below 0°F), re-locate the remote sensor indoors and use a remote sensor wire.
The sensor wire is not included with the unit and can be purchased separately by contacting Springfield Precision
Instruments at 1-888-809-3284. Plug the sensor wire into the remote and route the wire through a nearby window.
Be sure to plug in the wire securely. Note: The sensor wire will transmit outdoor temperature only, not humidity.
OPERATING INSTRUCTIONS
MODE BUTTON
Starting from the normal time display, press MODE to scroll through Alarm time 1 (A1), Alarm time 2 (A2), Timer,
back to normal time display.
Note: When entering your settings, you can press and hold the UP or DOWN button for fast setting.
SETTING THE CLOCK AND CALENDAR
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Press and hold the SET/AL button until the hour is flashing
Press UP or DOWN buttons to adjust the hour
Press SET/AL and the minutes will be flashing
Press UP or DOWN to adjust the minutes
Press SET/AL and the month will be flashing
Press UP or DOWN to adjust the month
Press SET/AL and the day will be flashing
Press UP or DOWN to adjust the day
Press SET/AL and the year will be flashing
Press UP or DOWN to adjust the year
Press SET/AL to lock in the settings
12 / 24 Hour Clock
Press DOWN 12/24 to select either 12 hour or 24 hour clock display.
Display the Calendar
Press SET/AL to scroll through:
1) normal time display (hour / minute / day)
2) hour / minute / second display
3) calendar
4) normal time display
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ALARM CLOCK WITH SNOOZE
Setting the Alarm Time
Two different alarm times can be set, Alarm 1 and Alarm 2. Use MODE to scroll to Alarm 1 (A1) or Alarm 2 (A2).
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To set Alarm 1; In normal time display, press the MODE button once and the Alarm 1 time and (A1) will show.
Press the SET/AL button for 3-4 seconds until the alarm hour flashes
Press UP or DOWN to set the alarm hour
Press SET/AL and the minutes will be flashing
Press UP or DOWN to set the alarm minutes
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Press SET/AL to lock in the settings. The alarm is now activated and the alarm bell icon
to the time.
will show next
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Press MODE to get to Alarm 2 or to return to normal time display
If no buttons are pushed within 20 seconds, the unit will revert to the normal time display automatically
To set Alarm 2; When Alarm 2 (A2) is showing on the display, follow the same setup sequence as for Alarm 1.
De-activating the Alarm
To de-activate an alarm, press MODE to choose the alarm (A1 or A2) that you want to de-activate. Press SET/AL until
the alarm bell icon is no longer showing. Your alarm time settings will remain and you can re-activate the alarm by
following the instructions below.
Activating the Alarm
Press the MODE button to choose the alarm (A1 or A2) that you want to activate. Press SET/AL to activate (the alarm
bell icon and 1 or 2 will show). The alarm will sound at the time you have entered.
Silencing the Alarm
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When the alarm sounds press any button on the base station to silence the alert or press SNOOZE to activate the
snooze function
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When snooze is activated the Zzz symbol will appear and the alarm will sound again in 5 minutes
When the alarm sounds again, press SNOOZE to continue the snooze function or press any button on the base station
to discontinue snooze
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The alarm icon will remain on the display and the alarm will sound every day at the pre-set time until the alarm is de-
activated
MAX / MIN MEMORY
Use the MAX/MIN button to display the highest and lowest indoor and outdoor temperature and humidity readings since
the last reset.
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Press MAX/MIN once to display the highest readings recorded since last reset. MAX is shown on the display.
Press MAX/MIN a second time to display the lowest readings recorded since last reset. MIN is shown on the display.
Press MAX/MIN to return to the normal display
To clear and reset the max/min records, when either the MAX or MIN record is shown on the LCD display, press and
hold MAX/MIN for 3-4 seconds until the beep sounds
TEMPERATURE ALERTS
You can program your weather center to sound an alert whenever the indoor or outdoor temperature exceeds the upper or
lower pre-set level. The outdoor alert can be set for any remote channel.
Setting the Indoor Temperature Alert
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Press and hold the ALERT button for 3-4 seconds. The high temperature limit icon
be flashing.
and indoor temperature will
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Press UP or DOWN to select the high temperature alert level
Press ALERT and the low temperature limit icon
and temperature will be flashing
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Press UP or DOWN to select the low temperature alert level
Press ALERT to lock in the settings. The temperature alerts are activated and both the low and high limit icons will
be showing.
Setting the Outdoor Temperature Alert
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Press and hold the ALERT button for 3-4 seconds
Press CHANNEL to select the channel on which you want to set the alert (1, 2 or 3)
The high temperature limit icon and outdoor temperature for the channel you selected will be flashing
Press UP or DOWN to select the high temperature alert level
Press ALERT and the low temperature limit icon and temperature will be flashing
Press UP or DOWN to select the low temperature alert level
Press ALERT to lock in the settings. The temperature alerts are activated and both the low and high limit icons will
be showing.
Activating and De-Activating the Temperature Alerts
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Press ALERT to activate or de-activate the temperature alerts. When the alert function is activated, both the high and
low limit icons will show.
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When de-activated, your temperature alert settings will remain and can be re-activated at any time.
HEAT INDEX
Heat Index is the “feels like”, or apparent temperature. It is a function of temperature and humidity. As relative humidity
increases, the air seems warmer than it actually is because the body is less able to cool itself via evaporation of
perspiration. The HEAT INDEX temperature is usually higher than the actual air temperature.
Press the HEAT INDEX button to view the readings. HI will show above the indoor and outdoor temperature readings.
COUNTDOWN TIMER
To set the countdown timer:
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Press MODE until you get to the timer display
Press and hold SET/AL until the hours are flashing
Press UP or DOWN to set the hours
Press SET/AL and the minutes will be flashing
Press UP or DOWN to set the minutes
Press SET/AL and the seconds will be flashing
Press UP or DOWN to set the seconds
Press SET/AL to lock in the settings
Use SET/AL to start, pause and restart the timer
When the timer sounds, press any button to turn it off
TEMPERATURE TREND ARROWS
The arrows to the left of the indoor and outdoor temperature readings indicate the general temperature trend;
increasing, stable or decreasing.
LOW BATTERY INDICATORS
Low battery indicators are located on the base station display near the outdoor temperature reading (for the remote sensor)
and near the indoor temperature reading (for the base station). When a low battery icon appears, replace the batteries as
soon as possible with a fresh set according to the BATTERY INSTALLATION AND SETUP section of this manual.
Note: When the old batteries are removed from the unit, you will lose your clock, alarm and temperature alert settings.
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PURCHASING ADDITIONAL REMOTE SENSORS
Additional temperature / humidity sensors may be ordered directly from Springfield Precision Instruments by calling
1-888-809-3284. The remote sensor for this unit is SPRINGFIELD P/N 91912.
Please have a major credit card ready when placing the call.
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 of more of the following measures:
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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.
LIMITED WARRANTY
Springfield warrants this product to be free from defects in workmanship or material for a period of one year from the date
of purchase. ALL IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
FITNESS AND MERCHANTABILITY ARE HEREBY LIMITED IN DURATION TO A PERIOD ENDING ONE
YEAR FROM THE DATE OF PURCHASE. Some states do not allow limitations on how long an implied warranty
lasts, so the above limitation may not apply to you. This warranty gives you specific legal rights, which vary, from state
to state. During the warranty period, such defects will be repaired or the defective instrument will be replaced at our
option. This warranty does not cover damages through accident or misuse. IN ADDITION, SPRINGFIELD IS NOT
RESPONSIBLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES INCURRED AS A RESULT OF
DEFECT. Repair or replacement will be made at our option without additional charge if the instrument is returned
postpaid with $5.00 for return postage and handling to:
76 Passaic Street, Wood-Ridge, NJ 07075-1091
1-888-809-3284
Made in China
©2009 Springfield Precision Instruments, Inc.
All Rights Reserved
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