The time setting for grilling can be done by successive adjustment, it seems that the value of 4 to 5 and then start for the passage of a second piece it is best to adjust to 3 or 3 and a half because the device is hot .
Thawing key may be on same unfrozen bread, this reduces the exposure time
(The above given values are in operation with the thawing key).
Jjacques Baudet