Aeris Epic Operating Manual page 23

 Pressing and releasing the S button momentarily (< 2
seconds) will toggle the flashing setting between 12 and
24.
 Pressing the A button momentarily (< 2 seconds) will save
the Hour Format Set Point and access the S T TIM screen
with the HOUR Set Point flashing (Fig. 11).
 HINT - Pressing the A button repeatedly (< 2 seconds each
time) will step through the Time/Date Settings, bypassing
those that don't require setting.
Set Hour and Minute
The graphic Am or Pm displayed when Time in 12 Hour Format.
 Depressing and holding the S button while the HOUR Set
Point is flashing will scroll through the Set Points in 1 Hour
increments at a rate of 4 per second from 12: Am to 11:
Pm (or 0: to 23: if set for 24 Hour Format).
 Pressing and releasing the A button momentarily (< 2
seconds) will save the Hour Set Point and/or advance to
S T MINUT with the MINUT Set Point flashing (Fig. 12).
 Depressing and holding the S button while the MINUT Set
Point is flashing will scroll through the Set Points in 1 minute
increments at a rate of 4 per second from :00 to :59.
 Pressing and releasing the A button momentarily (< 2
seconds) will save the Minute Set Point and/or advance to
the S T DAT screen with the Y AR Set Point flashing.
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