WHEN THE FREQUENCY IS 1000HZ THEN SET PORT TO HIGH
VERIFY IF THE COMMAND IS GOOD

F VAR WORD

LOOP:
COUNT PORTB.1,1000,F
IF F=1000 THEN,OK
GOTO LOOP
OK:HIGH PORTB.0
PAUSE 1000
LOW PORTB.0
GOTO LOOP


IS OK ?
THE SIGNAL WICH AMPLITUDE 200 mvolt IS GOOD OR POOR SIGNAL?