7 Hybrid tracking
• ’as inertial sensor’: An inertial sensor is used (only available, if attached). If using
multiple inertial sensors use the adjacent drop-down menu to select the appropriate
one. The tracking frequency is set according to the Inertial Sensor Settings menu.
Please refer to the corresponding chapter 7.2.1.1 on page 112.
• ’custom frequency’: An internal source is used providing a custom frequency (only
available with inertial license). Use the adjacent spinbox in a range from 10 to 1000
Hz.
i
Selecting a custom frequency higher than the tracking frequency pro-
vided by the inertial sensors (e.g. 700 Hz for 3-Space wired inertial
sensors) could lead to minor tracking quality.
Z
Keep in mind that ’send data divisor’ in menu Output Settings is also
affecting the resulting data output frequency. Please refer to chapter
8.5.7 on page 160 for further information.
Z
It is NOT recommended to select a wireless inertial sensor as pulse
generator due to the nature of the connection (i.e. high latencies and
timing jitter). Therefore enter the menu Settings → Tracking only if
necessary.
120
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