int zoom_sample(int64_t zoom_sample);
void zoom_autos(float min, float max);
void zoom_amp(int64_t zoom_amp);
- void zoom_track(int64_t zoom_track);
+ void zoom_atrack(int64_t zoom);
+ void zoom_vtrack(int64_t zoom);
int fit_sample();
int move_left(int64_t distance = 0);
int move_right(int64_t distance = 0);