Although printing quality is not the best, the manual was very helpful in order to reactivate this ancient but still good electronic musical instrument.
Text excerpt from page 9 (click to view)
Pilot lamp ( ) When lit indicates the operation of one or more heating elements. Oven thermostat pilot lamp (Â°C) Switches off when the oven reaches the selected temperatue and re-lights each time the thermostat intervenes to maintain the temperature.
Mechanical timer (ZC 603) The timer can be regulated for a maximum of one hour. The control switch (Fig. 7) must be turned in a clockwise direction to the 60 minutes postion then in an anti-clockwise direction to the time required. Once the pre-established time has elapsed, an acoustic signal intervenes which stops automatically. The action of the time cannot stop the oven.