La Crosse Technology WS-8157U-IT - Manual (Page 7)

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4) Remove batteries for five minutes, reinsert and leave the unit alone
overnight without pressing any keys.
Problem: Hour is incorrect (minute and date are correct).
Solution: 1) Be sure the correct time zone and daylight saving time is selected.
Problem: "OF“ appears in the indoor temperature section of the LCD
Solution: 1) Move the radio-controlled clock to an area with warmer or cooler
surrounding temperature. Current surrounding temperatures are outside
measuring range. Batteries.
Problem: "--.-" appears in the outdoor temperature section of the LCD.
Solution: 1) Remove the batteries of both units for ten minutes, Press any button 20
times with battery out then reinsert them again. Make sure the batteries are
new and fresh.
2) Move the radio-controlled clock closer to the transmitter or place the
transmitter closer to the radio-controlled clock. Make sure the clock is at a
receivable range from the transmitter.
3) Move the units to another location. Interferences from other electrical
devices operating on the same signal frequency (915MHz) may prevent
correct signal transmission and reception.
Problem: "OF“ appears in the outdoor temperature section of the LCD.
Solution: 1) Wait until the current surrounding temperature cools down or increases.
Current temperature is outside of the measuring range of the transmitter.
The outdoor temperature will be displayed again once the current
surrounding temperature is within the range of the transmitter. Batteries
CARE AND MAINTENANCE:
• Avoid placing the units in areas prone to vibration and shock as these may cause damage.
• Avoid areas where the units can be exposed to sudden changes in temperature, i.e. direct sunlight, extreme cold and wet/moist conditions as these
will lead to rapid changes which reduce the accuracy of readings.
• When cleaning the LCD and casing, use a soft damp cloth only. Do not use solvents or scouring agents.
• Do not submerge the units into water.
• Immediately remove all low powered batteries to avoid leakage and damage. Replace only with new batteries of the recommended size.
• Do not make any repairs to the units. Please return it to the original point of purchase. Opening and tampering with the units may invalidate the
warranty.
SPECIFICATIONS:
Temperature measuring range
Indoor: 14.2 °F to 103.8°F with 0.5°F resolution
(-9.9 °C to +39.9°C with 0.5°C resolution)
(“OF” displayed if outside this range)
Outdoor:
-39.8 °F to 139.8°F with 0.5°F resolution
(-39.9 °C to 59.9°C with 0.5°C resolution)
(“OF” displayed if outside this range)
Temperature checking interval
Indoor: every 20 seconds
Outdoor: every 4 seconds
Transmission distance maximum 330 feet (100 meters) in open field, depending upon
surrounding structures, mounting location and possible
interfering sources
Power source (Alkaline batteries recommended)
Radio-controlled clock:
2 x AA, 1.5V batteries
Transmitter: 2 x AA, 1.5V batteries
Battery life: about 24 months
Dimensions (H x L x W)
Radio-controlled clock: 8.03“ x 12.20“ x 1.18“ / 204 x 310 x 30mm
Transmitter: 5.05” x 1.50” x 0.83” / 128.3 x 38.2 x 21.2 mm