Midland LXT 300 Series Owner's Manual page 15

Channel Selection
Your LXT-300/315 has 22 channels available. To change channels:
With the radio on, press "Menu button" until the current channel segment
flashes.
Use "Up" button or the "Down" button to change the channel.
Press the PTT button to save the new channel.
Keystroke Tone
Whenever you press a button, a "Beep" tone may be heard when this function is
selected. To enable the "Beep tone, press "Menu" repeatedly until the "Beep
tone Icon" appears on the display. Press the volume up or and volume down
button, to set the beep on or off. To save your selection, press "Menu" again.
Roger Beep Tone
Whenever you release the PTT button, a "Roger Beep" tone may be transmitted
to let your friends know you are finished talking. To enable the Roger Beep,
press "Menu" repeatedly until the "Roger Beep Icon" appears on the display.
Press Vol. Up or Vol. down button to set the Roger Beep tone on or off. To save
your selection, press PTT.
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