miller legend aluminum tig

Ive been learning to tig aluminum and doing alright with a machine at school with a foot pedal and ac balance and all that stuff but i was wondering if i could tig aluminum with an old miller legend (aead200le) without the foot pedal option. I have a torch set up for it and have welded some steel but i have to scratch start it. could it work for aluminum?

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It will not work well enough to fool with.

jody