TYREDOG TD-4000A-X - Manual (Page 31)

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D. If these solutions do not help improve the situation, consult your
nearest Tyredog dealer.
3. Monitor display color is getting dark.
When car temperature is over 80 , it is natural that LCD panel will к
be getting dark. When car temperature is back to normal, LCD panel
will be normal again.
4. When temperature is below -20к, the response time of CD monitor
could be slower.
5. ‘Learning mode’ can only accept ‘learnable sensor’ but not standard
sensor.
Additional Information
Under normal conditions, sensor batteries will last approximately 1~2
years. LCD monitor will last around 6 months. (The service life may be
shorter, depending on the conditions of use.) When the battery becomes
weak, the power low indicator will appear on the screen. Replace the
battery with a new CR1632 lithium battery for sensor or with AAA 1.5
battery for LCD monitor.
Notes on battery
z Keep the battery out of the reach of children. Should the battery be
swallowed, immediately consult a doctor.
z Wipe the battery with dry cloth to assure a good contact
z Be sure to observe the correct polarity when installing the battery.