User's Manual
24 | P a g e
Soft alert – unit will produce “di di di di di” tone once and repeat every 3 minutes.
LED will blink for 5 seconds on problematic tire. This alert is for non-emergency
situation such as:-
Tire pressure slightly exceed above or below user pre-set limits. It is not
dangerous to continue driving.
Sensor battery low. Once notified on low sensor battery, please remember to
change the battery as soon as possible. Do not leave the unit to continue
operating under low battery for a long time.
In-Car unit battery low. LED blink will be on the status LED, not on the tire
indicator LED. Once notified on low sensor battery, please remember to
change the battery as soon as possible. Do not leave the unit to continue
operating under low battery for a long time.
Signal low or sensor missing. For this situation, the tone will repeat every 5
seconds instead of 3 minutes to inform user of a possible missing sensor.
Emergency alert – unit will produce “di da di da di da” tone once and repeat every
5 seconds. LED will continue to blink on problematic tire. This alert is for
emergency situation such as:-
Tire pressure is too high or too low. It is not recommended to continue
driving without checking the condition of the tire. Please stop the vehicle at
a safe location to check the condition of the tire.
Tire temperature is too hot, exceeding 65
o
C or 149
o
F. It is not recommended
to continue driving without checking the condition of the tire. Please stop
the vehicle at a safe location to check the condition of the tire. Note that the
measured temperature may be lower by 10
o
C or 50
o
F compared to the actual
temperature of the air inside the tire when the vehicle is moving, due to the
cooling effect on the tire valve.
WARNING: FOBO ULTRA IS A MONITORING DEVICE TO
ALERTS THE USER WHEN IT DETECTS SIGNALS THAT IS OUT
OF PRE-SET CONDITIONS BASED ON THE SETTING BY THE
USER. THE USER OR DRIVER IS SOLELY RESPONSIBLE TO
FIND OUT THE ACTUAL CONDITION OF THE TIRE AND TO
ENSURE PROPER TIRE MAINTENANCE. FOBO ULTRA IS NOT
RESPONSIBLE FOR WRONG DIAGNOSTICS OR FALSE ALERTS
THAT MAY CAUSE INCONVENIENCE.