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Adjusting the volume and squelch level – Garmin 520 User Manual

Page 21

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520/530 Owner’s Manual

11

Setting the code to 0 (code off) allows you to hear all

activity on the selected channel, but you must be set to

the same code as the other person(s) to transmit back. See

the “Appendix” for a table listing all of the 38 Codes and

their frequencies.
As you change channels, the Rino 520/530 remembers

the last channel/code combination that you were using.

For example, you may set the unit channel to 5 and code

to 21, then change the channel to 8 and code to 2. If you

change the channel back to 5, the code changes back to

its previous setting of 21. See the “Appendix” for more

information on FRS/GMRS and its operational aspects.

To change the Channel and/or Code:

1. Using the Thumb Stick, highlight the

Channel or

Code field and then press the Thumb Stick In to

show a list of available channels/codes.

2. Move the

Thumb Stick Up or Down to scroll

through the selections. Because not all the items

fit in the window, a slider bar on the right side

indicates your current position in the list.

3. Highlight the selection, press the

Thumb Stick In.

Adjusting the Volume and Squelch Level:

1. Press the

Volume Control (V) button to display

the Volume/Squelch Level Control window.

2. Move the

Thumb Stick Up or Down to adjust the

volume level.

3. Use the

Thumb Stick to set the squelch level by

moving the slider all the way to the Left to unmute

the background noise (weak signals that you don’t

want to hear). Then slowly

move it to the Right until the

background noise stops. The

squelch is set.

Volume/Squelch Adjustment

Choose from 38 codes. Setting

the unit to zero will allow you to

hear all transmissions on that

channel, but you must be on the

same code to radio back.