Garmin Astro 320 - Maximizing Battery Life; Decreasing Backlight Usage; Decreasing DC 40 Update Rate

Astro 320 and DC40 Owner’s Manual 59
Device Information
capacity and store it in a cool, dry
location where temperatures are
not expected to exceed typical
household levels.
• Do not store a fully depleted battery
because it may not recharge after an
extended period of storage.
• After storage, fully charge the
battery again before using the
DC 40.



From the main menu, select Setup
> System > Display > Battery
Save.

Extensive use of screen backlighting
can signicantly reduce battery life.
You can adjust the backlight brightness
and decrease the backlight timeout to
maximize battery power.
1. Quickly press
.
2. Adjust the brightness.

From the main menu, select Setup
> System > Display > Backlight
Timeout.


This requires wireless communication
with the DC 40. You must turn on the
DC 40 and bring it within range of the
Astro.
1. From the main menu, press DOG >
ENTER > MENU.
2. Select Comm. Settings.
3. If necessary, select a unit ID.
4. Change the update rate.
Both 30-second and two-minute
rates reduce battery drain, but they
create a less-detailed dog track and
collected statistics.