1-4
!6 NOISE REDUCTION SWITCH [NR] (p. 5-16)
Push to switch the DSP noise reduction ON or OFF.
• The [NR] indicator above this switch lights green when
the function is activated.
!7 NOISE BLANKER SWITCH [NB] (p. 5-15)
➥ Selects from noise blanker 1, 2, or OFF when
pushed. The noise blanker reduces pulse-type
noise such as that generated by automobile igni-
tion systems. This function cannot be used for
FM, WFM, P25 modes or non-pulse-type noise.
• The [NB] indicator above this switch lights green and
“” or “ ” appears on the display when the
function is activated.
➥ Enters blank-width set mode when pushed and
held for 1 sec.
!8 AUDIO PEAK FILTER/TWIN PEAK FILTER
SWITCH [APF/TPF]
➥ Push to turn the audio peak filter ON or OFF dur-
ing CW mode operation. (p. 4-9)
➥ Push to turn the twin peak filter ON or OFF dur-
ing FSK mode operation. (p. 4-11)
•“ ” appears when audio peak filter is in use.
•“ ” appears when twin peak filter is in use.
➥ During CW mode operation, push and hold for
1 sec. to select the APF passband width from 80,
160 and 320 Hz. (p. 4-9)
!9 NOISE REDUCTION LEVEL CONTROL
[NR LEVEL] (outer control; p. 5-16)
Adjusts the DSP noise reduction level when noise
reduction is in use. Set for maximum readability.
•To use this control, noise reduction must be ON.
@0 NOISE BLANKER CONTROL [NB LEVEL]
(inner control; p. 5-15)
Adjust the noise blanker threshold level.
•To use this control, either noise blanker must be ON.
@1 RF GAIN CONTROL [RF] (outer control; p. 3-8)
Adjusts the RF gain level.
While rotating the RF gain control, you may hear
noise. This comes from the DSP unit and does
not indicate a malfunction.
