* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated NOT
*/
public void fetchSwitchState() {
OnOffValue switchValue = OnOffValue.UNDEF;
try {
switchValue = brickletLCD20x4.isBacklightOn() ? OnOffValue.ON : OnOffValue.OFF;
setSwitchState(switchValue);
} catch (TimeoutException e) {
TinkerforgeErrorHandler.handleError(this, TinkerforgeErrorHandler.TF_TIMEOUT_EXCEPTION, e);