Question id 381 - Air Law - ATPL - Airline Transport Pilot license

Setting the SSR decoder to mode A code 7000 and thereafter to code 7500
Setting the SSR decoder to mode A code 7500 and thereafter to code 7700
Setting the SSR decoder to mode A 7700 then to standby and thereafter to code 7500
Setting the SSR decoder to mode A 7500 then to standby and thereafter to code 7700