Lovely!
Love this machine. My Parents had the later version Omega from 1995, which had pretty much the same options. Think the only difference was Half Load was replaced by Eco Sence, which essentially halved the water intake during the rinse cycle so was effectively the same as Half Load.
It had the same five indicator lights too. Plenty to watch!
On our machine, Rapid Wash turned the heater off on the Synthetics & Wool 40c cycles - on your machine i think these would be 11 & 15. On ours they were 10 (Delicates) & 14 (Wool). Stain Removal worked on at least the Cottons 90c & 60c cycle (programs 2 & 3) & it cut-out the hot water filling so that the water heated gradually from cold, therefore activating the enzymes in the detergent more gradually, thus removing stains better. If you press it you should notice the HOT FILLING light go out during filling for programs 2 & 3, possibly other cycles too.
Can't remember what Hand Wash did but i think it was effective on the Wool cycle (Program 15). If the machine does what ours did, it will hold for a couple of minutes after the Conditioner Rinse on the Synthetics & Wool cycles, then move on automatically to spin. Pressing Anti-Crease should make the machine hold permanently & to get it to spin you'd need to de-select Anti-Crease, at which point the timer would start clicking & after a couple of minutes the spin would start. I can't remember about Energy Saver unfortunately, but i think it was effective only on the Cottons cycles.
Ours was a good machine, except the motor used to arc all the time. Initially we called the engineer to which he said 'it'll be fine but just don't put it on carpet', which wasn't quite the response we expected, but it never seemed to do any harm on our vinyl kitchen floor. We had the machine 5 years & then my Mums work had it a further 3 years before the concrete block broke & i think the bearings started going too. My Gran has an early 90's Prestige Line 1000 (at that point it was either Prestige Line OR Omega, rather than both names combined) which is still working today, some 20 years after she bought it
Because my Gran's newer design machine is very early 90s, yours must be about 1988/1989 as the other guys have said. Can't believe the customer swapped it for a Hoover - i know you don't mind them but you'll probably be able to sell the Indesit back to her in 18 months. I'd have replaced the dryer with a White Knight/Zanussi & left the Indesit washer well alone. Oh well!
Liam