Because of this, the onboard guidance computer had been needlessly processing data from the rendezvous radar, its duty cycle grew heavier than expected and a series of "1201" and "1202" alarms began signalling an executive overflow.
Because of this, the onboard guidance computer had been needlessly processing data from the rendezvous radar. As the LM descended towards the lunar surface the landing radar was then also switched on, the computer's duty cycle grew heavier than expected and a series of "1201" and "1202" alarms began signalling an executive overflow.