ASA Electronics Flight Timer Instruction Manual page 12

Fig 7 — Approach timer display
Countdown Operation
Countdown operation can be used to time the
interval between events. A beeping alarm, flashing
icons and backlight notify the user that time has
elapsed.
◆ If timer is running press START/STOP to stop
timer.
Rotate DIAL to select an approach time (H1-H6
◆
or D1-D6).
Push DIAL. The minute digits will flash.
◆
Rotate DIAL to set minutes.
◆
Push DIAL. The second digits will flash.
◆
Rotate DIAL to set seconds.
◆
Push DIAL to save or push START/STOP to
◆
start timer directly.
START/STOP starts the timer counting down.
◆
Once started, it is not possible to reach other
approach times.
Approach Timer Alarm
When the approach timer counts down to zero the
Flight Timer sounds an audible and visible alarm
then begins to count up, measuring the time since
the alarm. If approach mode is active, the hour,
minute and second digits flash. If another mode is
active, the "APPROACH" icon flashes to indicate an
approach timer alarm. The audible alarm and
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