User Manual Part 1

IS-900 User Guide Page 32 of 159
2. Specifications
2.1. Performance Specifications
Degrees of Freedom: 6 (X, Y, Z, Yaw, Pitch, and Roll)
Tracking Device(s): MicroTrax Wired Head Tracker
MicroTrax Wired Wand (Standard with VETracker only)
Custom/OEM Devices (Consult InterSense)
Tracking Volume: Up to 20 m
2
with 12 SoniStrips (SimTracker maximum)
Up to 140 m
2
with 84 SoniStrips (VETracker maximum)
2.0 m x 2.0 m x 3.0 m maximum w/ SoniFrame (optional)
1.5 m x 1.5 m x 3.0 m with SoniWing (optional)
Angular Range: Full 360º - All Axes
Resolution: 0.75 mm (1.5 mm Wireless)
0.05º (0.10º Wireless)
Static Accuracy: 2.0 to 3.0 mm (3.0 to 5.0 mm Wireless)
0.25º RMS in Pitch & Roll, 0.50º RMS in Yaw
0.50º RMS in Pitch & Roll, 1.00º RMS in Yaw (Wireless
MicroTrax)
Update Rate: 180 Hz Nominal
120 Hz Minimum (Wireless SimTracker & VETracker)
Latency: 4 ms Typical (without prediction @ 115 kbaud)
Maximum number of devices 4 for SimTracker (Wired or Wireless)
7 for VETracker (Wired or Wireless)
Interface: RS-232 Serial Port
Ethernet (Optional)
O/S Compatibility: Windows /2000/Millenium/XP, Linux, SGI IRIX, Sun Solaris,
HP AUX, Mac OS X, VISTA
Software Support: SDK with full InterSense API
ISDEMO control & connectivity software
Additional Specification for Wireless Devices
Device charge time 3 hours
Number of charges 500
Constant Tracking Time 6-8 hours on one charge
Radio Technology 2.4 GHz non-frequency hopping spread spectrum
Radio Range (Indoor) 100 Feet (with no major obstructions)
Radio Channels 16