Grub2 menu font-size

Hi, I am a newbie to Grub2 (v1.96) and I am wondering if there is
any way to increase and/or decrease font-size in the menu. I use
1024x768 mode and the letter is, I think, too small. I have tried the
project page at gnu.org but it seems the documentation page is "under
development" so there is none. Any help appreciated, thanks...

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