User's Manual

SmarTire Systems Inc.
Tire Monitoring System Reference Manual
6/20/2000 Page 27 of 56
This manual is under review by SmarTire – DO NOT ISSUE
Multi-function Display Operation Modes
The Multi-function display extends the functionality of the basic tire monitoring system from
four to twenty wheel positions. Digital readouts for pressure, temperature and temperature-
compensated pressure alerts are provided for each wheel position.
The MFD is required when the receiver must be programmed to accept the new ID number of a
replacement transmitter (Learn Mode) and to change the alert settings in the receiver.
Mode Summary
Stand-By mode System wheel data status and configuration
Regular mode View condition of a selected tire
Programming mode Program cold pressure, tire rotation, (3) alert settings, units
Diagnostic modes Slope, battery voltage, learn mode
Hidden Programming mode Set receiver low pressure alert threshold
Power Stages
The MFD has an energy saving feature that turns lights on to full intensity only when required to
display alert conditions or program the unit. The unit automatically switches to lower power
stages when no data transmissions or control activity is detected.
Active stage Back light is on, LEDs (alarm light and button lights) at full intensity.
Entered when any button is pressed or a valid packet is received in low-
power stage.
Half-power stage Back light is off, LEDs (alarm light and button lights) dimmed
Default stage after power-up. This stage is entered when no button is
pressed in 5 minutes
Low-power stage All lights are off (will activate when a button is pressed or transmission
received). Entered when no valid data packet is received in 20 minutes.
In stand-by mode the MFD will be in one of the three power stages. In all other modes the MFD
will be in the active power stage.