4.2.5 F unction key
The FCT key enables the user to access a menu with 3 configuration functions:
F 1
, F 2 and F 3 (the last one explained in the C/N ratio measurement for digital
channels paragraph).
4.2.5.1 F 1 function: S ound demodulation
This function selects three kinds of sound demodulation together with the
disconnection of the sound itself.
F M
:
FM sound
AM
:
AM sound
LV
:
The speaker emits a tone whose frequency varies as a function of
the signal level received.
O F F
:
Sound not selected
The demodulation of both AM and FM is effected on the carrier tuned.
To select the type of sound, press the F C T key [13], select the F1 function and
turn the rotary switch until the desired type of sound is displayed. Press the F C T
key [13] again to activate the desired mode.
E xample 13.
Changing the sound from FM to LV
+
LV