The call is for your information. Best not to alter course at all unless you can see them and they are going to hit you [which is too late anyway]. They will have seen you and can manoeuvre to miss you, as long as you don't make any sudden moves.
"Gibralter Tower, Two 4-jets for the run and break"
"Confirm that is Four 2-jets?"
"Negative" [2 Nimrods arrive at max chat, 200', and peel at the threshold to join the circuit]
ah, the good old days!