Uniden APCO25 Owner's Manual

Contents

Uniden APCO25 Owner's Manual Manual pdf 34 page image

Setting Subaudible Tones for SearchingYou can set the scanner to only stop on transmissions that either have no subaudible toneor include a specified CTCSS or DCS tone during searches. This setting affects all searchranges. For this feature to work, you need to turn on the Tone Mode (see “Setting SquelchMode”).1:SERVICE OPTION → :CHAIN SEARCH → 5:TONE DATA1:CTCSSLets you set the CTCSS tone.2:DCSLets you set the DCS.3:OFFDoes not use subaudible tones.Note: If, instead of pressing E to select a tone you press L/O, the scanner will stop on anytransmission except for those with the selected tone.Searching for Subaudible TonesIf you set the system tone option to 3:TONE SEARCH (see “Setting Squelch Mode”), thescanner will determine the correct tone for the received signal.Attenuating All Search RangesIf you are near a strong RF source, you might need to attenuate the input signal in order tosearch properly. To turn on this option for all search ranges:1:SERVICE OPTION → :CHAIN SEARCH → 4:ATTENUATOR1:ONThe attenuator is turned on.2:OFFThe attenuator is turned off.Setting DELAY for All Search RangesYou can set the scanner to have a delay after the end of a transmission before searchingresumes. This slows searching, but helps you prevent missing replies on a frequency.1:SERVICE OPTION → :CHAIN SEARCH → 3:DELAY1:NONEThe delay is turned off.2:1 SECONDThe delay time is 1 second.3:2 SECONDSThe delay time is 2 seconds.4:4 SECONDSThe delay time is 4 seconds.28