FrSky DFT - Failsafe; Alarm Operation; Alarm States

Manual of Two-Way Radio System www.FrSky-rc.com P6of9
The receiver integrates the failsafe function for all channels.
ROM A version: This is FrSky acquiescent failsafe version.
To set failsafe positions, press briefly(less than 1 second) the “F/S Range” button of
the Receiver, the Tx module will make a long “beep” indicating the failsafe position is
remembered by the receiver.
ROM B version: Provided for users to upgrade FrSky two way transmitter modules’
failsafe version. In this case, you can set failsafe position on the Tx module at any time
during your flight.
Option1: To set failsafe positions, press briefly(less than 1 second) the “F/S Range”
button of the Receiver, the Tx module will make a long “beep” indicating the failsafe
position is remembered by the receiver.
Option2: To set failsafe position, press briefly (less than 1 second) the “F/S Range”
button of the Tx module, the Tx module will make a long “beep” indicating the failsafe
position is remembered by the receiver.
Note: Please kindly note that if you accidently press the “F/S Range” button of the
Tx module during your flight, you will change the failsafe state inadvertently.
9. Alarm operation
9.1 Alarm states
Tx module monitors the state of receiver and notify user by audible alarm.
There are three alarm states:
Red (Highest): constant three Beeps
Orange (Medium): constant two Beeps
Yellow (General): one Beep
Green: No Beep
Alarm sourced from:
-Rx interface 1: Analog Port 1 on Rx;