Up Button; Down Button; Squelch /Dss Knob; Antenna Connector - TTI TCB-560 Instruction Manual

and/or the scan delay time. Use the up/down buttons to resume
scanning immediately.
If you press the PTT button during scanning, the radio will return to your
original channel. Scanning will resume after the scan receive time and/or
the scan delay time. Use the up/down buttons to resume scanning
immediately.

6) Up Button

Press this button briefly to select the channel one by one
that you like to use.
UP

7) Down Button

Press this button briefly to select the channel one by one
that you like to use.
DOWN
8) Squelch / DSS Knob
Auto Mode : Turn this knob conter-clockwise until you
hear the sound. You transceievr is in the Automatic
squelch mode. This works better in FM mode. than AM
mode. If you are using AM mode, you are recommended
to use the manual squelch mode.
Manual Mode : Turn this knob counter-clockwise until you hear the
background noise(but before click sound to enter the automatic
squelch mode) and then turn the knob a little clockwise until the noise
disappears. In this way, you get the best receive sensitivity.
DSS : In FM mode, turn the knob counter-clockwise until you hear the
click. The squelch level of your transceiver is dynamically adjusted.

9) Antenna Connector

Insert the male connector of the antenna cable into this
female antenna connector.
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TCB-560