Narrow filter – Alinco DR-SR8 User Manual
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Chapter 5 Special Functions
Narrow Filter
The narrow fi lter can be used in AM, SSB and CW mode. This allows you to effectively
reduce interference.
(A)
0
(B)
(A)
0
(B)
Standard filter
Narrow filter
If there are interference signals (A) and (B) when the standard fi lter is used, using the
•
narrow fi lter will reduce the interference.
NOTE:
Using the narrow fi lter will change the audio slightly.
Filter bandwidth
•
Standard
Narrow
CW
1.0
0.5
SSB
2.4
1.0
AM
9
2.4
FM
9
Press the [FUNC] key then press the [RF]
1.
key.
• “Nar” appears on the LCD display.
2.
Repeat the same sequence to switch between
the Standard/Narrow fi lters.
• To clarify the received signal, use the
¨IF
function together.
NOTE:
Use of narrow fi lter may result in
poorer performance to operate some
data-modes. Be mindful to switch
the fi lter according to your operation
mode.