HeadingIndicator::bind ()
{
fgTie("/instrumentation/heading-indicator/serviceable",
- &_gyro, &Gyro::is_serviceable);
+ &_gyro, &Gyro::is_serviceable, &Gyro::set_serviceable);
fgTie("/instrumentation/heading-indicator/spin",
&_gyro, &Gyro::get_spin_norm, &Gyro::set_spin_norm);
}