FT-2000
Operating Manual
Vertex Standard Co., Ltd.
59
Sub band (VFO-B) NB Operation
Press the [B] button.
Within five seconds (the imbedded LED will blinks orange) of pressing the [B]
button, press the [NB] button momentarily to reduce a short pulse noise such as
from switching transients, automobile ignitions and power lines. “NB” icon will
appear in the display to confirm that the Narrow-NB is operating.
Within five seconds (the imbedded LED will blinks orange) of pressing the [B]
button, press and hold the [NB] button for two seconds to reduce a longer duration
man-made pulse noise. “NB” icon will blink five second, then appear continuously,
to confirm that the Wide-NB is operating.
To end Noise Blanker operation, press the [B] button, then press the [NB] button.
The “NB” icon will turn off, confirming that the Noise Blanker is no longer in
operation.
Advice: The NB point of the Sub (VFO-B) band Noise Blanker adjusts via Menu item
“035 GEnE SNB LVL.”
Tools for Comfortable and Effective Reception
AGC (Automatic Gain Control)
The AGC system is designed to help compensate for fading and other propagation
effects, with characteristics that can be of particular value on each operating mode.
The basic objective of AGC is to maintain a constant audio output level once a certain
minimum threshold of signal strength is achieved.
Main (VFO-A) Band AGC Selection
Press the [AGC] button several times to select the desired receiver-recovery time
constant. You will observe notation at the AGC column of the Receiver Configuration
Indicator on the display, denoting the AGC receiver-recovery time currently in use. For
most operation, we recommend the “AUTO” mode.
Sub (VFO-B) Band AGC Selection
1. Press the [B] button.
2. Within five seconds (the imbedded LED will blinks orange) of pressing the [B]
button, press the [AGC] button several times to select the desired
receiver-recovery time constant. You will observe notation at the AGC column of
the Receiver Configuration Indicator on the display, denoting the AGC
receiver-recovery time currently in use. For most operation, we recommend the