11
OPERATION
Understanding the Display
The PRO3750’s display can be set up to show Heading* and
Mode of Operation (Highway and City modes). In-between the
Heading and Mode of Operation one of the following can be
displayed;
Temperature, Voltage or Clock*.
Selecting the Default Feature to be Displayed
Press and hold the Dark button for four seconds or until 2 beeps
are heard. The display will change from Temperature to Voltage.
Pressing and holding the Dark button again for four seconds will
change the display to show the Clock. Repeat and Temperature
is once again selected.
Momentarily Display Features
Press and hold the Dark button for 2 seconds or until 1 beep is
heard and the unit will scroll and display the following for 3
seconds each: Temperature, Voltage, Clock and Vehicle Speed*
and then return to the default feature. Note: When unit is
displaying the vehicle speed the radar antenna is turned off!
Error Messages
Flashing character will be displayed in place of the Heading,
Clock or Speed when the GPS module is acquiring a signal.
Display showing “NO F”, “NO : ”, “NO V” indicates that
Temperature, Clock and Voltmeter have been turned off in
Option Mode.
*Heading, Clock and Speed are available with the RLC-360 GPS
module.
Heading
Mode of Operation
