This is, he realizes, exactly how a laptop computer must feel when it drops into its power-saving mode.
About three-quarters of these machines automatically slip into power-saving mode after their users leave for the day.
By contrast, a typical computer in power-saving mode draws about five watts.
On some computers, blinking green lights mean the machine is running, but they indicate power-saving mode on others.
Power waste can be reduced by setting computers and computerized devices to power-saving mode, rather than leaving them running when not in use.
My TV was on power-saving mode one night and came to life when I reached for a soda.
The sublight navigational systems, which had been in a power-saving mode, came alive.
Most modern monitors will switch to a power-saving mode if no video-input signal is received.
But unlike most machines, an Armada will not put itself into a power-saving mode automatically when you close the lid.
However, this (years) figure assumes that the watch enters a power-saving mode during which the seconds hand stops until the watch is re-exposed to light.