Radioddity DB25-D, Extended Manual

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Radiod d ity Extended manual for Radiod d ity DB25-D & GD-88 v2.0
© Radiod d ity 2022 page 110 of 209
End-tone types
Users can enable this function according to the working environment and actual
needs to set the end-tone type after [PTT] has been released, so as to facilitate the
receiver to turn off its speaker in advance.
End-tone options : 55HZ
120°
180°
240°
Default: 55HZ
Squelch (A) Level
When receiving a carrier signal and its strength reaches the preset squelch level,
the audio circuit will be turned on. This setting is for the upper (A) channel).
Selection range : Maximum value: 9
Minimum value: 1
Increment: 1
Squelch circuit off 0 (audio circuit normally open)
Default: 4
Notes: The higher the squelch level value is set, the stronger the carrier signal needs
to be.
Squelch (B) Level
When receiving a carrier signal and its strength reaches the preset squelch level,
the audio circuit will be turned on. This setting is for the lower (B) channel).
Selection range : Maximum value: 9
Minimum value: 1
Increment: 1
Squelch circuit off 0 (audio circuit normally open)
Default: 4
Notes: The higher the squelch level value is set, the stronger the carrier signal needs
to be.