Garmin 396 'installation' in the Maule

Mike Granby wrote:
I've had silly numbers (30+ hours) without the antenna, so perhaps it
varies from unit to unit. Still, it's not a big deal. I'm planning to
wire the unit into ship's power this weekend, so it'll be rather
academic after that. As long as it can last long enough to get me
somewhere safe if I lose electrical power, that's good enough.

You probably already did this, but upgrade the firmware to 2.40 and try
again. There's nothing specific in the release notes for 2.40
indicating a power management-related fix (and I didn't bother to read
back to the notes on the previous versions), but it shouldn't hurt to
upgrade.

If the problem persists the battery is likely at fault, as it contains
logic to transmit the state of the battery to the GPS firmware. The GPS
firmware, then, merely reports what it's being told. Try to borrow
someone else's battery and see if the problem goes away.

-Doug

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Doug Vetter, CFIMEIA

http://www.dvcfi.com
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