User Manual

W401A Systems Operation
1. Display Signals Description:
：Bad Transmission Signal。 ：Battery Signal。 ：Pressure Unit 。
：Tire deflating signal。 ：Battery Voltage unit。 ：Normal Tire Pressure。
：Low Battery on Tire Sensor。 ：Temperature Unit。 ：Abnormal Tire Pressure。
：Abnormal Tire Condition Signal。 ：Tire Pressure/Temperature display unit。
2. Display System Operation
ORO-W401A got 3 different mode for user, which are Tire Pressure Display Mode, Temperature
Display Mode, Pressure-Temperature rotation mode, the display will show the pressure mode after turn
on, for enter the temperature monde can press once and pressure-temperature by another once. The
system will monitoring the tire pressure, tire temperature, battery voltage no matter what kind of
information are showing in the display and be alarmed whenever abnormal happens. If the user does
not modifying from the factory default, the system will return back to the tire pressure display, the 3
modes of display are as follow’s:
a. Pressure Display Mode: Displaying the 4 tires pressure and battery voltage unit only.
b. Temperature Display Mode: Displaying 4 tires temperature and battery voltage unit only.
c. Pressure-Temperature Rotation Display mode: Change the pressure and temperature unit by
rotating, and display battery voltage immovable.
ORO-W401A includes bar, kPa, psi which are 3 kinds of pressure’s unit and ℃、℉ for temperature
unit for user, the factory default for pressure unit is bar, the user can change the pressure unit by
pressing the MODE button for 2 sec., and the factory default for temperature is ℃, the user can
change the temperature unit by press MODE button for 2 sec.
3. Modify the factory default operation: