I've got a Sharp 722. It is said to have an autonomy of about ten hours
in plays mode and 8 when you record. But I have the impression that the
real autonomy is inferior to what is claimed by Sharp. How do they
measure the autonomy? At which volume and which bass level (0, 1, 2, 3)?
I always
Sharp's news releases state the following:
battery life
Recording - measured with playback volume at 0, analog input
playback - measured with playback volume at 15.
On Sharp portables, volume directly relates to power consumption. I've read
a MD player battery life test in a magazine last
