If you want to use only LaTeX, and nothing else, you must include
the option hierLtx in your \documentstyle line, like
this:
\documentstyle[hierLtx]{article}
To type a hieroglyphic text directly, you can use the
\hieroglyphe macro. You type the signs like this:
\hieroglyphe{A/1}
to get:
Beware! the numbers aren't exactly the one in Gardiner's grammar. To
find which number gives you which sign, you may use the testfont
TeX source, like this:
let's suppose you want the sign list for ``man''. You type (on a
unix box, but the idea is the same elsewhere. Your input is slanted, the computer's output is in typewriter font) :
tex testfont
This is TeX--XeT, Version 3.1415--1.0 (C version 6.1)
TeX--XeT Copyright (C) 1992 by Dante e.V.
(/usr/TeX/lib/texmf/tex/plain/testfont.tex
Name of the font to test = A
Now type a test command (\help for help):)
* 
table
* 
bye
[1]
Output written on testfont.dvi (1 page, 6088 bytes).
Transcript written on testfont.log.
Then, you can print the table.
To type a complicated text, you can , like in the ``manuel'',
type : `-' to separate two groups horizontally, and `:'
to separate two groups vertically. Accolades allow you to group signs.
\hieroglyphe{{Q/3-X/1}:N/1}
nice, isn't it
?