Display device of work vehicle and display method for the same

1. A display device of a work vehicle configured to alternatively display a plurality of display screens including a first display screen with a video display area and a second display screen without the video display area in accordance with an operation of a screen changeover switch, wherein

upon switching from the first display screen to the second display screen for display, a temporary second display screen on which precaution information prompting to switch to and display the first display screen is displayed is displayed.

2. The display device of a work vehicle according to claim 1 , wherein the temporary second display screen is the second display screen on which the precaution information prompting to switch to and display the first display screen is displayed.

3. The display device of a work vehicle according to claim 1 , wherein upon switching from the first display screen to the second display screen for display, the temporary second display screen is displayed, and upon a predetermined time having been passed since the temporary second display screen was displayed, a switch to the first display screen is automatically performed to display the first display screen.

4. The display device of a work vehicle according to claim 1 , wherein upon a confirmation switch of the precaution information being pressed in a state where the temporary second display screen is being displayed, the second display screen from which the precaution information has been deleted is displayed.

5. The display device of a work vehicle according to claim 1 , wherein upon the screen changeover switch being pressed in the state where the temporary second display screen is being displayed, the first display screen is displayed.

6. The display device of a work vehicle according to claim 1 , wherein upon transitioning from the first display screen to the temporary second display screen, a press of the screen changeover switch causes a transition from the first display screen to a third display screen where the video display area is displayed on the entire screen, and a further press of the screen changeover switch causes a transition from the third display screen to the temporary second display screen.

7. The display device of a work vehicle according to claim 1 , wherein the first display screen is an initial standard display screen to be displayed after a key switch is turned on.

8. A display device of a work vehicle configured to alternatively display a plurality of display screens including a first display screen with a video display area and a second display screen without the video display area in accordance with an operation of a screen changeover switch, wherein

upon transitioning from the first display screen to the second display screen, a press of the screen changeover switch causes a transition from the first display screen to a third display screen where the video display area is displayed on the entire screen,

a further press of the screen changeover switch in a state where the third display screen is being displayed causes a transition from the third display screen to a temporary second display screen being the second display screen on which precaution information prompting to switch to and display the first display screen is displayed,

upon a confirmation switch of the precaution information being pressed in a state where the temporary second display screen is being displayed, the second display screen from which the precaution information has been deleted is displayed, and

upon the screen changeover switch being pressed in the state where the temporary second display screen is being displayed, the first display screen is displayed.

9. A display method for a display device of a work vehicle configured to alternatively display a plurality display screens including a first display screen with a video display area and a second display area without the video display area by an operation of a screen changeover switch, the display method comprising,

upon switching from the first display screen to the second display screen for display, displaying a temporary second display screen on which precaution information prompting to switch to and display the first display screen is displayed.

10. The display method for a display device of a work vehicle according to claim 9 , wherein the temporary second display screen is the second display screen on which the precaution information prompting to switch to and display the first display screen is displayed.

11. The display method for a display device of a work vehicle according to claim 9 , wherein upon switching from the first display screen to the second display screen for display, the temporary second display screen is displayed, and upon a predetermined time having been passed since the temporary second display screen was displayed, a switch to the first display screen is automatically performed to display the first display screen.

12. The display method for a display device of a work vehicle according to claim 9 , wherein upon a confirmation switch of the precaution information being pressed in a state where the temporary second display screen is being displayed, the second display screen from which the precaution information has been deleted is displayed.

13. The display method for a display device of a work vehicle according to claim 9 , wherein upon the screen changeover switch being pressed in the state where the temporary second display screen is being displayed, the first display screen is displayed.

14. The display method for a display device of a work vehicle according to claim 9 , wherein upon transitioning from the first display screen to the temporary second display screen, a press of the screen changeover switch causes a transition from the first display screen to a third display screen where the video display area is displayed on the entire screen, and a further press of the screen changeover switch causes a transition from the third display screen to the temporary second display screen.

15. The display method for a display device of a work vehicle according to claim 9 , wherein the first display screen is an initial standard display screen to be displayed after a key switch is turned on.