HP 50g deep-sleep mode

[cdmackay]

In the 50g User's Guide, in Appendix G (Useful Shortcuts), it mentions On+SPC as a shortcut for “Deep-sleep shutdown - timer off”:

[attachment=6475]

Yet when I try it, nothing at all seems to happen.

Am I confused, or was this perhaps never implemented, or removed in a later firmware?

thanks.