4-2
 
4.1 Basic Operation 
 
4.1.1 Turning on the power 
 
When the main power is turned on, the power to the display unit is automatically turned on. 
In the state in which the power is turned off by the display unit key operation, pressing the 
 
key turns on the power. 
 
  When the main power is OFF 
 
 
 
 
 
 
Turning on the main power 
 
  When the main power is ON 
  Turning on the power 
 
 
 
 
 
  Pressing the power key 
 
When the power is ON for first time. 
 
The following screen is displayed. Select a Model with            and press            . 
 
 
 
 
       Model 
 
 
 
 
When "LOG" is selected by mistake 
  Refer to Caution in "4.2.4 setting a model". 
 
 
 
 
 
 
 
 
 
 
When "GPS" is selected by the first time power up and model setup for the prevention from 
receiver breakage, the check of a receiver and display power supply voltage is performed. 
 
Use a receiver and the display power supply voltage in the following combination. 
Receiver    Display power supply voltage   
JLR-4341/4340   DC12~24V  
excepct JLR-4341 / 4340    DC12V   
 
 
 
If the power cannot be turned on, check the main power of the power distribution board 
and the cable connection to the display unit. 
 
JRC 
ENT
ON 
 
Supplement