The default setting is for A major at 440Hz but there is a transpose function which will allow you to flatten it by 2 semitones so it will display correctly for a trumpet.
I'm not sure what a guitalele is, but tuners typically now have a variety of settings and there are settings for chromatic tuning, so if you know the notes the strings are supposed to play, you can use it.
Nissan skyline gtr r34 it the best tuner there is
I believe there is no such fish as a "Snark"
His illustrator.
the snark
The Hunting of the Snark was created in 1876.
Hunting the Snark was created in 1989.
The Cruise of the Snark was created in 1911.
Hunting the Snark has 396 pages.
The duration of Russian Snark is 1.3 hours.
If it has a built-in tuner, yes, most don't. You can buy an outboard tuner and connect the projector using the video in / out connectors. VCR's have this tuner.