Je was op zoek naar: the phone is in standby mode for a preset ... (Engels - Portugees)

our work in the vineyard is in standby mode.
o nosso trabalho na vinha está parado.

this agreement is a voluntary commitment to reduce the electricity consumption of this equipment when it is in standby mode.
este acordo constitui um compromisso voluntário que se destina a reduzir o consumo de electricidade nos seus aparelhos, quando se encontram em «stand-by.

as long as the phone is in a reasonable location you should be able to hear exactly what is being said in a room.
enquanto o telefone está em uma localização razoável você deve ser capaz de ouvir exatamente o que está sendo dito em uma sala.

the geographical location of a mobile phone (and thus the person carrying it) can be determined easily even when the phone is not being used, using a technique known as multilateration to calculate the differences in time for a signal to travel from the cell phone to each of several cell towers near the owner of the phone.
the geographical location of a mobile phone (and thus the person carrying it) can be determined easily even when the phone is not being used, using a technique known multilateration to calculate the differences in time for a signal to travel from the cell phone to each of several cell towers near the owner of the phone.

i wasn't too worried at first - she usually turns down the phone's volume when she's in class, and if the phone is in the pocket of her jacket, she doesn't even hear the vibration.
eu não me preocupei muito no início - normalmente ela abaixa o volume do telefone quando está na aula, e se o telefone estivesse no bolso da jaqueta, ela nem mesmo percebe o vibrador.