Advanced Elements AF-4500s Guía de usuario Pagina 13

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Knobs and Buttons
The AF-3400 and 3500 have 5 buttons and one rotary knob with a push button for data input.
The AF-4500 has a left rotary knob, 5 buttons and one rotary/joy stick knob on the right side with a push
button for data input.
SYSTEM OPERATION
Power On / Off
For wiring information see APPENDIX K
Turning the Unit ON
The AF-3400/3500/4500 will turn on anytime power is applied to the Master or Backup power input and will
stay running as long as there is power supplied to one of the inputs. If you have the optional internal battery
the system can be turned on by pressing and holding [Button 1] for 2 seconds.
Turning the Unit OFF
The AF-3400/3500/4500 will turn off when power is removed from the Master and Backup power inputs. If
power is turned off and you have the optional battery installed you will get the following message:
If you press any of the buttons the EFIS will stay on using battery power.
Battery Shutdown
The AF-3400/3500/4500 can be turned off when on battery power by pressing and holding [Button 2],
[Button 3], or [Button 4] for three seconds. The unit will also turn off when on battery power if you do not
have airspeed or RPM for 5 minutes or if the battery drained.
Battery Operation
The optional internal battery is designed to allow the unit to operate in the event of an external power failure.
• The internal battery is a lithium ion battery and is recharged whenever input power is connected.
• When new, a fully charged battery is rated for 1 hour of normal operation. The screen will
automatically dim when running on battery power to help conserve battery life.
If you lose external power in flight and the system is running on the internal battery you should land at the next
available airport. There are many factors that can reduce battery life.
DO NOT ASSUME THAT YOU HAVE ONE HOUR OF BATTERY LIFE.
NEVER TAKE OFF USING BACKUP BATTERY POWER.
When the unit is running on internal battery power a battery status ICON is displayed on the lower right hand
corner of the display.
Low Battery Full Battery
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