User's Manual
Table Of Contents
- Welcome
- Getting Started
- Helmet Mounting Locations
- Calibrating Your Device
- Setting Up Device For Individual Use
- Setting Up Device For Team Use
- Starting a Session
- Uploading Your Data
- Viewing Your Data
- Exporting Your Data
- Technical Specifications
- Operating Temperature
- Wireless Range and Frequency
- LED Status Indicators
- Service and Support
- Warranty
- Compliance Information
T h e G F T U s e r ’ s G u i d e P a g e | 22
Technical Specifications
Size
GFT3: 52mm x 28mm x 10mm
Weight
GFT3: 20g
Battery
300mAh Lithium Polymer batter, charge time 90 min
Connector
Micro USB female, sealed and protected to IP67 ingress protection rating for 1m water 30
minutes. Test pending for IP68.
Operating Temperature
-20C to 85C
Wireless Range and Frequency
200m Line of sight (LOS) operating in the Industrial, Scientific and Medical (ISM) band at 2.4GHz
LED Status Indicators
The GFT has a flashing red LED located in the center of the push button. There is also a status
indicator that shows battery charging status. In addition, the status LED indicates when the
firmware is being updated via internet connection.
This is list of LED modes and the meaning:
Flashing red – Indicates alarm condition. The threshold set by the user has been exceeded.
Flashing green – Battery is being charged
Constant green – Battery is fully charged
Flashing yellow – Battery needs to be charged
Flashing blue – Unit is in update firmware mode