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12. MAINTENANCE (ADVANCED)
Touch screen calibration function
When no screen action occurs, or a different function
is activated after touching the screen, the touched
point and the detected point may be different.
In that case, the Touch screen calibration function
helps to correct the touch screen sensing accuracy.
1. Display the OTHERS screen.
TIP: When the touch screen is not accurate, and
you cannot access the OTHERS screen.
Do the following steps to display the “Touch Screen
Calibration” screen.
1. Turn OFF the transceiver.
2. While holding down
MENU
and
EXIT
,
push
POWER
to display the “Touch Screen
Calibration” screen.
3. Repeat step 3 and 4 on the left column.
4. Touch the frequency readout or a key on the
touch screen to confirm that the touch screen is
working correctly.
MENU
» Set >
Others
2. Touch “Touch Screen Calibration.”
• A dot appears on the screen.
3. Touch the dot that is displayed on the screen.
• A new dot appears in another position.
Touch the displayed dot
4. Repeat step 3.
L
When the calibration is complete, the transceiver
returns to the OTHERS screen.