Secondary power supply switch-over time 15 SEC instead of 0 SEC 

REF AIP Tunisie page AD2 DTTJ-7 subsection DTTJ AD2.15

DLY 0400 TO 1200 EXC SAT SUN AND HOL

MOV AREA GRASS CUTTING WORK

PRESENCE MEN AND EQPT HGT 2M DAY MARKED

CAUTION ADVISED FLW TWR INSTRUCTIONS

THE FLW IAP ARE SUSPENDED :

RNAV (GNSS) RWY 27

REF AIP TUNISIE PAGE AD2 DTTJ-37 .