Page 70
Flymaster Live C User Manual
Vario acoustics
The Vario Acoustics settings menu option allows the user to change vario sound related parameters. The
user can change the climbing, and sinking rate sound through the respective threshold values. These
thresholds correspond to the climbing and sinking rates at which the sound activates. The user can also
define in the the Acoustic Thresholds option the sink alarm and the sound volume of is the LIVE C.
Sink Threshold - The Sink Threshold is the rate of descent at which the vario will emit a low frequency
sound. Contrary to the climb sound the sink sound is continuous. The deeper the sink rate the lower the
sound frequency. Default value for this parameter is -2 m/s, we suggest setting a value lower than the natural
sink rate of the glider when flying with speed bar in still air.
Climb Threshold - The Climb Threshold defines the rate of climb at which the vario will start beeping.
The frequency of the first beep is defined trough the Base Frequency parameter, and steadily increases
according the Increments parameter value.
The default value for Climb Threshold is 0.1m/s. This means that beeping starts once the instantaneous vario
value goes above 0.1m/s.
Sink Alarm - The Sink Alarm defines a vertical speed value at which a sound (alarm siren) starts to be
produced. For example, if the Sink Alarm is set to -10m/s, then if the instantaneous vario goes below -10m/s,
and alarm will be ˝red. This alarm can be used to identify high vertical speeds, as for example, in a spiral
dive. The Sink Alarm parameter can vary from 0 to -25m/s. Set the Sink Alarm to OFF to disable the alarm.
Base Frequency- The audio frequencies can be adjusted to match the user's preference, by setting
the Base Frq and Increments.
The Base Frq is the first frequency used to produce the initial sound which corresponds to the climb threshold
(by default 0.1 m/s). Later, as the climb rate increases, a bip, bip sound is produced for which the cadence,
and frequency, also increase. The Base Frq can be set from 500 to 1500 Hz. The higher is the frequency
value, the higher pitched the sound is.
In order to change the base frequency value press the ENTER key after the Audio Frequencies menu option
is highlighted. This action will highlight the Base Frq value so it can be increased using the UP key, or
decreased using the DOWN key. The ENTER key should then be pressed, thus confirming the Base Frq
setting. The pre-set value for Base Frq is 700 Hz.
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