Take this action when these numbers are reached. How?

[richard]

select case counter

case 2
led1 = 1
case 4
led1 = 1
case 6
led1 = 1
case 8
led1 = 1
case 10
led1 = 1
case else
led1 = 0
end select

or
if (counter = 2 )| (counter = 4) |,,,,, etc then
led1 = 1
else
led1 = 0
endif