La Crosse Technology CA85152 User Manual

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Wireless Thermometer
with Time
Model: CA85152 | Instruction Manual
Temperature at a glance! Everything is at your fingertips with this Wireless Thermometer: Indoor/Outdoor temperature with MIN/MAX readings in Fahrenheit or Celsius, outdoor temperature trend arrow, and manual set time.
Remove battery cover from the Wireless
Insert 2 NEW AA batteries (not included) into
the back of the Wireless Thermometer. Observe the correct polarity (see marking inside the battery compartment).
The Wireless Thermometer will light up and
show, indoor temperature, and time (12:00).
Ensure that the transmitter is within 10 feet of the
Wireless Thermometer.
Remove battery cover from TX141-B transmitter:
Slide the battery cover down and lift off the front.
Insert 2 NEW AA batteries into the transmitter.
Observe the correct polarity.
Within 3 minutes the Wireless Thermometer will show
readings in the outdoor temperature area on the LCD.
Note: Allow the Wireless Thermometer and the
transmitter to stay within 10 feet of each other for the first 15 minutes of set up.
Do Not Mix Old and New Batteries
Do Not Mix Alkaline, Standard, Lithium or Rechargeable
After the batteries are inserted, the Wireless Thermometer will
search for the outdoor temperature transmitter for 3 minutes.
The antenna symbol will flash during reception, and
temperature display will be dashes “---“.
No antenna symbol will show during RF (radio frequency)
If synchronization fails once, the antenna will lose one bar. If synchronization fails twice, the antenna will lose two bars.
If RF (radio frequency) reception fails five times, the antenna
symbol will be shown as .
The antenna will show full display with successful
RF (radio frequency) reception.
If the Wireless Thermometer does not display the outdoor
temperature after 3 minutes, remove the batteries from both units and start the setup process again.
If the outdoor temperature does not show up after a second
attempt, please slide open the battery cover of the outdoor transmitter to reveal the TX button. Push down on the TX button for 3 seconds to send a wireless signal to the Wireless Thermometer.
For optimal 433 MHz signal reception, the outdoor transmitter
should be placed within 200 feet (60 meters) from the indoor Wireless Thermometer.
Note: Use Alkaline batteries
(or Lithium for temperatures below -28.8°C / -20°F).
The SET/°F/°C button moves through the program menu. The MIN/MAX/+ button changes the value.
12/24-HOUR TIME: Hold the SET/°F/°C button for 2 seconds.
12H will flash. Press and release the MIN/MAX/+ button to select 24-hour time format. Press and release the SET button once to move to the hour.
HOUR: The Hour will flash. Press and release the MIN/MAX/+
button until the correct hour is shown. Press and release the SET button once to move to the minutes.
MINUTES: The Minutes will flash. Press and release the
MIN/MAX/+ button until the correct minutes are displayed. Press and release the SET button once more to exit the program menu.
Press the SET/°F/°C button to select Fahrenheit or Celsius
temperature readout.
The Wireless Thermometer: will show the daily minimum and maximum temperatures each day starting at midnight (12:00 AM). The temperature station automatically resets the min/max temperatures at midnight (12:00 AM).
VIEW MINIMUM: Press MAX/MIN button to show the minimum temperature record. RESET MINIMUM: With the minimum temperatures displayed, press and hold the MAX/MIN key for 2 seconds to manually clear the MIN records in memory.
VIEW MAXIMUM: Press MAX/MIN key again, to show the maximum temperature records. In maximum memory display mode, RESET MINIMUM: With the maximum temperatures displayed, press and hold the MAX/MIN key for 2 seconds to manually clear the MAX records in memory.
The outdoor temperature trend indicators will update every 30 minutes or less. These trends represent temperature changes over the past three hours.
Temperature rising more than 1°C/ 2°F in the past three
Temperature has not changed more than 1°C/ 2°F in the
past three hours.
Temperature falling more than 1°C/ 2°F in the past three
hours The temperature trend indicators are shown next to the indoor
temperature and outdoor temperature readings.
The remote temperature transmitter should be mounted vertically to avoid damage. Place both units in the desired shaded locations, and wait approximately 1-hour before permanently mounting the transmitter to ensure that there is proper reception. The outdoor temperature transmitter is water resistant, not waterproof and should not be placed anywhere it will become submerged in water or subject to standing water or snow.
Choose a location for the transmitter that is within range of the Wireless Thermometer and under an overhang for accuracy.
Option 1:
Install one mounting screw (not included) into a wall
leaving approximately ½ of an inch (12.7mm) extended.
Place the transmitter onto the screw, using the
hanging hole on the backside.
Gently pull the transmitter down to lock the screw into
Option 2:
Insert the mounting screw (not included) through the front of the
transmitter and into the wall. Tighten the screw to snug (do not over tighten). To achieve a true temperature reading, mount where direct
sunlight cannot reach the outdoor transmitter. Mount the outdoor
transmitter on a North-facing wall or in any well shaded area.
Under an eave or deck rail work well. The maximum transmitting
range in open air is over 200-feet (60 meters). Obstacles such as
walls, windows, stucco, concrete, and large metal objects can
reduce the range. Place the transmitter at least 6 feet in the air to
improve signal transmission.
Do Not Mix Old and New Batteries Do Not Mix Alkaline, Standard, Lithium or Rechargeable
Do not expose the Wireless Thermometer: to extreme
temperatures, vibration or shock.
Keep Wireless Thermometer: dry. Clean Wireless Thermometer: with a soft damp cloth. Do not use
solvents or scouring agents.
The Wireless Thermometer: is not a toy. Keep it out of reach of
The Wireless Thermometer: is not to be used for medical purpose
or for public information, but is determined for home use only.
The specifications of this product may change without prior notice.
Improper use or unauthorized opening of housing will void the
If the unit does not work properly, change the batteries and/or
check the a/c cord connection.
Indoor Temperature:
Range: 0°C to + 50°C (32°F to 122°F) Resolution: 0.1°C/ 0.2°F
Outdoor Temperature: Range: -40°C to + 60°C (-40°F to 140°F) Resolution: 0.1°C/ 0.2°F
CA85152 Wireless Thermometer: 2-AA LR6 alkaline battery
(not included)
TX141-B Transmitter: 2-AA LR6 alkaline battery
(not included)
Battery Life: Battery life is over 24 months when
using reputable battery brands
CA85152 Wireless Thermometer: 76 x 34 x 106 mm (3”L x 1.36”W x 4.17”H)
TX141-B Transmitter: 129 x 40.13 x 21mm (5.08” H x 1.58” W x 0.83” D)
This device complies with Industry Canada RSS-210. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Product Registration:
On the Web at:
Protected under U.S. Patents: 5,978,738 6,076,044 6,597,990
Limited Warranty: Springfield warrants this instrument to be free
from defects in workmanship and material for a period of 1 year from date of purchase, and will repair or replace it at our option, without charge. Please call 1-800-661-6721
For Warranty Service:
Springfield Instruments Canada Warranty 5151 Thimens Blvd St Laurent, Quebec H4R 2C8
FCC Statement
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 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.
This device must not be co-located or operating in conjunction with any other antenna or transmitter. 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.
The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user authority to operate the equipment.
All rights reserved. This manual may not be reproduced in any form, even in part, or duplicated or processed using electronic, mechanical or chemical process without the written permission of the publisher. This booklet may contain errors or misprints. The information it contains is regularly checked and corrections are included in subsequent editions. We disclaim any responsibility for any technical error or printing error, or their consequences. All trademarks and patents are recognized.
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