This manual describes how to use the Astro 900/T9 handheld device and its dog collar. Topics include the device’s components, installing batteries, turning the device on and off, and acquiring satellite signals.
The Garmin Astro 900/T9 system consists of a handheld device and a dog collar device designed for tracking dogs. Before use, users must install batteries in the handheld unit, charge the collar device, and pair the two units. The system requires satellite signals to function, which are acquired by both devices before the collar is placed on the dog.
| Handheld Power Source | two AA batteries |
|---|---|
| Recommended Battery Type | NiMH or lithium |
| Charging Time | about five hours |
Hold the power key until the LCD screen turns off.
The handheld device operates on two AA batteries.
Charging a fully depleted battery takes about five hours.
You must pair the handheld device and collar, and acquire satellite signals.