With option 2 and AC power cord.
Might need calibrated, but it seems to be OK. All segments light, and no broken nylon gears. Checked this on my bench frequency counter. Rock solid with no drift, after a brief warm up.
No manuals, but you can download them here: http://www.ko4bb.com/manuals/index.php?dir=HP_Agilent/HP_8640_Signal_Generator
$425.00 or Best Offer + packing and shipping costs from zip code 20119.
Local pick-up is OK.