Time Change Instructions for IWATSU EX 816, 824, 1232, 1648, 2464

EX-816/824/1648 – Versions 1 and 2

From the Station 20 when idle:

  • PGo off-hook and press [FEAT] + [5]
  • Enter the time [HH MM] using the 24 hour military clock
  • Go on-hook

EX-816/824/1648 – Version 3
EX-1232/2464 – Versions 1 and 2

From the Station 20 when idle

  • Go off-hook and press [FEAT] + [8] + [1]
  • Enter the time [HH MM] using the 24 hour military clock
  • Go on-hook