National Geographic 260NE Thermometer User Manual


 
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Before You Begin
4.0 Set up procedure:
1. Insert batteries into the monitor first and then press the RESET button once.
2. Place the monitor as close as possible next to the remote sensor and insert the
batteries into the remote sensor and press the RESET button.
3. Position the monitor and remote sensor within effective transmission range, which
in usual circumstances is 30 to 45 meters. The range is affected by the building
materials and where the monitor and remote sensor are positioned; try various
locations for the best results.
Note: The remote sensor should be placed in a shaded area for accurate readings.
4.1 Getting Started
Once the remote sensor has been powered up (or the RESET button has been
pressed), the transmission signal is immediately sent to the monitor. The monitor will
attempt to search for the signal for 5 minutes.
Once the signal is received, the dashes (--.-°F) on the monitor will change to the
current outdoor temperature. If after 5 minutes the screen does not change to show
the outdoor temperature, press the RE-SYNC button on the monitor. The monitor will
now attempt to search for the signal for another 6 minutes.
5.0 Troubleshooting
Press the RESET button at any time your display shows dashes (--.-°F) and/or to
ensure that the remote sensor is in direct line to the monitor.
If the outdoor temperature cannot be received, check:
1. The distance between the monitor or remote sensor should be at least 0.9 to 1.2
meters away from any interfering sources such as computer monitors or TV sets.
2. Avoid placing the monitor onto or in the immediate proximity of metal window
frames.
3. Using other electrical products such as headphones or speakers operating on
the same signal frequency (433MHz) may prevent correct signal transmission and
reception.
4. Neighbors using electrical devices operating on the 433MHz signal frequency can
also cause interference.
5. Signals from other household devices, such as door bells and home security
systems, may temporarily interfere with the units and cause reception failure. The
transmission and reception of temperature reading will resume once the
interference has stopped.
The maximum transmission range is 45 meters from the remote sensor to the
monitor (in open space). However, this depends on the surrounding environment and
interference levels. The temperature signal travels in a straight line from the remote
sensor to the monitor. The signal will not curve around an object. If no reception is
possible, despite the observation of these factors, all units will have to be reset.
Note: To reset unit please see Set up Procedure. (See section 1.0).