TR-203 Operation Guide
Off: fully charged (while charging)
Red: battery low
Flashing (blue): Receiving GPS signals
Flashing (green): Sending/receiving via cellphone network
Press and hold the power button until the unit vibrate. It takes approx. 1 minute to be fully operational after turned on.
Press and hold the SOS button (approx. 3 seconds) until it vibrate. The unit will calculate its current position, then inform your family member/caregiver that you need help, along with its current location. This process may take up to 5 minutes, before they receive the notification.
The unit is built to operate in wet environment. However, it will break if you submerge it into water.
The unit provide an accuracy within 2.2 meters or 90% of times. It is a full GPS unit, uses Cell-tower coordinates only if there is no enough GPS signals in sight, such as indoors.