Anl (Automatic Noise Limiter); Nb (Noise Blanker) - Uniden UM423 AM Owner's Manual

Operation

ANL (Automatic Noise Limiter)

ANL will reduce harsh background noise
caused by some transmission interference.
1. Press [ANL/NB], the ANL icon
appears.
2. Press [ANL/NB] to turn ANL off, the ANL
icon disappears.

NB (Noise Blanker)

NB will reduce noise caused by some ignition
interference.
1. Press and hold [ANL/NB], the NB icon
appears.
2. Press and hold [ANL/NB] to turn NB off, the NB icon
disappears.
A M T R A N SC E I VE R
A M T R A N SC E I VE R
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