Most of the time you do NOT need to use the "on" sign. For
example, to sign "The party will be on Tuesday" you would sign
PARTY with your brows up, and then "TUESDAY" with an affirming
nod. Thus, in ASL, you would not need to use the sign "ON." The
general sign for on: I don't use the "ON" sign much in everyday
conversation. I do use it from time to time with children who
need to get their "shoes on." (When it is time to get dressed
for school.) Any time you are considering using the sign "ON,"
you ought to ask yourself, "Is there a more appropriate way to
express Take a look at some of the other ways this can be
signed... ON: "flipping a switch" -- as in "turn on the light"
ON: "turning a knob" -- as in "turn on the TV," or turn on
anything that turns on with a knob. For example, this might be
used in a sentence having to do with turning on a microwave that
uses a "timer dial." "ON" as in "lights on." Note: You can
reverse this sign to mean "lights off." Earlier I talked about
how you would do a phase like,