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Squelch Modes in the Radio App on the zūmo XT

You can adjust the Squelch mode in the Radio App on the zūmo® XT GPS navigator to improve quality and avoid radio interference in your area.

NOTE: The Group Ride Radio (5.5") (Sold Separately) and a software update are required to use the Radio features.


Open - Manually adjust squelch for static noise

  • Slightly better range performance.

CTCSS - Continuous Tone-Coded Squelch System

  • Allows you to mute other people nearby using the same frequency.

  • Only hear individuals who are in the Group Ride or have manually set to the same code.


Supported CTCSS Codes:

Supported CTCSS Codes

IndexFrequency (Hz)IndexFrequency (Hz)
0167.026156.7
0269.327159.8
0371.928162.2
0474.429165.5
0577.030167.9
0679.731171.3
0782.532173.8
0885.433177.3
0988.534179.9
1091.535183.5
1194.836186.2
1297.437189.9
13100.038192.8
14103.539196.6
15107.240199.5
16110.941203.5
17114.842205.5
18118.843210.7
19123.044218.1
20127.345225.7
21131.846229.1
22136.547233.6
23141.348241.8
24146.249250.3
25151.450254.1 

DCS - Digital Code Squelch

  • Allows you to mute other people nearby using the same frequency.

  • Only hear individuals who are in the Group Ride or have manually set to the same code.


Supported DCS Codes:

Supported DCS Codes

IndexDCS CodeIndexDCS CodeIndexDCS CodeIndexDCS Code
001023028155055325082516
002025029156056331083523
003026030162057332084526
004031031165058343085532
005032032172059346086546
006036033174060351087565
007043034205061356088606
008047035212062364089612
009051036223063365090624
010053037225064371091627
011054038226065411092631
012065039243066412093632
013071040244067413094645
014072041245068423095654
015073042246069431096662
016074043251070432097664
017114044252071445098703
018115045255072446099712
019116046261073452100723
020122047263074454101731
021125048265075455102732
022131049266076462103734
023132050271077464104743
024134051274078465105754
025143052306079466
026145053311080503
027152054315081506

You can Adjust the Squelch and change between CTCSS, DCS, and Open Squelch Modes to improve Audio Quality and Avoid Radio Interference in your Area:


To Adjust the Squelch Mode on the zūmo XT:

1. Touch Radio.
 
2. Touch one of the following options below.
  •  Touch Preset to view the available radio presets.

 

  • Touch Channel to view the available MURS channels.

 

 

  • Touch Open (Manually adjust squelch for static noise), CTCSS (Continuous Tone-Coded Squelch System), or DCS (Digital Code Squelch) depending on what current mode is selected to view the additional options.

 

 

3. To Choose a squelch code within the current mode, select the plus or minus.