Both crewmembers will close all EFB applications except those permitted by the FOM. The captain will determine taxi configuration and will announce the engine(s) to be started when cleared and ready to start. If taxiing with the left engine only, the crew will ensure that Hydraulic Pump 2B is selected on. The First Officer will press the ENG START switch light, verify EICAS messages, and start the chronometer. The engine instruments will be verified prior to introducing fuel and monitored for a stable start. If applicable, both crewmembers will review the alternate engine start procedures prior to starting the engines.