code light मीनिंग इन हिंदी

Control rooms also used color coded lights to send signals to workers in the plant to manually make certain changes.
If done from a control room a message could be sent to an operator in the plant by color coded light, letting him know whether to increase or decrease whatever was being controlled.
Troops moving beyond by-passed British positions in the, were to overcome centres of resistance by infiltration and envelopment, with, light and field artillery accompanying the infantry for the first time, each battery having a platoon of pioneers and a light machine-gun crew; communication was to be assisted by the use of colour-coded light signals.
"U-536 " lurked offshore for the coded light signal from the escapees and the RCN personnel attempted to replicate what the escapees would have done, however the submarine detected the presence of the RCN task force led by " Rimouski " and remained submerged and evaded attack or capture, without successfully carrying the prisoners, but was sunk the following month before she was able to make it home.