Remote Processing CAMBASIC - Manual (Page 87)

Comm ands - 54
The following show s the use of labels:
90 A3 = AIN(0)
100 GOSUB ..FILTER
110 PR FL
.
.
.
3000 ..FILTER
3010 FL = .875 * FL + .125 * A3
3020 RETURN
ERROR: < Can’t compile> – if line/label does not exist