Noise Blanker - Yaesu FT-100D Operating Manual

Receiver Accessories
NOISE BLANKER
The IF Noise Blanker may be useful in reducing or eliminating some types of impulse
noise. It may be used alone, or in conjunction with the DSP's Noise Reduction feature.
1. Press the [FUNC] key, as needed, to select Operating Function Row 5 [IPO, ATT, AGe,
NB] on the display.
2. Press the [D](NB) key to activate the Noise Blanker. Note that this feature is not opera-
tional in the FM mode, as impulse noise is an amplitude-modulated waveform.
3. To adjust the blanking level, press and hold in the [D](NB) key for
Yz
second. This
instantly activates MENU #60, for adjustment of the Noise Blanking level. Rotate the
MAIN DIAL to set a higher or lower blanking level (on a scale of I to 16). Now press
the [FUNC] key momentarily to save your setting and return to normal operation.
4. Press the [D](NB) key again to tum the Noise Blanker off.
40
As with all IF Noise Blanker circuits, activation of ti,e NB during operating
conditions of very strong signals may degrade the overload characteristics of
the receiver slightly.
FT-JOO
MICRO MOBILE OPERATING MANUAL