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DESCRIPTION

The options are as follows:

-a

Print all device variables and their current values.

-w name=value

Attempt to set the specified variable name to value.

-f file

Specify an alternative radio tuner device.

-n

Suppress printing of the variable name.

Values may be specified in either absolute or relative forms. The relative form is indicated by a prefix of ‘+’ or ‘-’ to denote an increase or decrease, respectively.

The exact set of controls that can be manipulated depends on the tuner. The general format (in both getting and setting a value) is

name = value

The name indicates what part of the tuner the control affects.

Write only controls:

search

Only for cards that allow hardware search. Can be ‘up’ or ‘down’.

Read-write controls:

frequency

Float value from 87.5 to 108.0.

volume

Integer value from 0 to 255.

mute

Mutes the card (volume is not affected), ‘on’ or ‘off’.

mono

Forces card output to mono, ‘on’ or ‘off’. Only for cards that allow forced mono.

reference

Reference frequency. Can be 25 kHz, 50 kHz and 100 kHz. Not all cards allow to change the reference frequency.

sensitivity

Station locking sensitivity. Can be 5 mkV, 10 mkV, 30 mkV and 150 mkV. Not all cards allow to change the station locking sensitivity.

All the remaining controls (signal, stereo and card capabilities) are read-only and can be viewed using option -a.

volume=255
frequency=106.30MHz
mute=off
reference=50kHz
signal=on
stereo=on
card capabilities:
        manageable mono/stereo