JRC Alphatron Marine AlphaTurn User Manual

2.5.1.2 Touch Screen Calibration (TOUCH CAL)
The touch screen can be calibrated by following the instructions that appear on the screen.
Figure 20: Touch Screen Calibration
Menu
Figure 21: Calibration Reference
Points
Figure 22: Calibration Lines
1. In the MENU, touch the TOUCH CAL button.
The TOUCH SCREEN CALIBRATION MENU appears, see Figure 20: Touch Screen Calibration Menu on page
31.
2. Calibrate the screen by touching the CONFIRM CALIBRATE THE TOUCH SCREEN button.
The calibration screen appears with text requesting to touch the four numbered reference points that appear on the
screen, see Figure 21: Calibration Reference Points on page 31.
3. Touch the four reference points in sequence 1 to 4, as they light up.
The application will determine whether the sequence is carried out correctly.
4. If the text VALID CALIBRATION appears, then the calibration is performed accurately. Test calibration for accuracy
by dragging a finger across the screen, see Figure 22: Calibration Lines on page 31.
The line that appears on the screen should follow the finger.
5. Touch the ACCEPT button if calibration appears to be correct, or touch the AGAIN button to repeat the calibration
process.
6. If the text INVALID CALIBRATION...PLEASE RETRY appears, touch the AGAIN button to repeat the calibration
process.
31 | Operation

JRC Alphatron Marine AlphaTurn Specifications

General

Brand	JRC
Model	Alphatron Marine AlphaTurn
Category	Marine Equipment
Language	English