172 Press the / key to select your desired squelch level from 0 to 9.3 Press the S or key to store the new setting.SIGNAL STRENGTH INDICATORThe signal strength indicator displays the strength of received calls. No icon appears whenno signal is available.Strong Sufficient Weak Very weakflashes when out of range (NXDN Trunking only).PUBLIC ADDRESS (PA)The PA system can only be used with an external speaker.1 Press the key programmed as [Public Address] to activate the Public Addressfunction.• The icon appears on the display.2 Press and hold the PTT switch, then speak into the microphone to make your addressthrough the external speaker.3 Press the [Public Address] key again to exit Public Address.HORN ALERTWhen a call is received that matches the optional signaling set up on your transceiver,Horn Alert causes the vehicle horn or some other external alert to sound. This functionnotifies you of a received call when you are away from your vehicle.To toggle Horn Alert ON and OFF, press they key programmed as [Horn Alert].• The icon momentarily appears on the display when Horn Alert is active.EXTERNAL SPEAKERWhen attaching an external speaker to the transceiver via the KCT-60, press the keyprogrammed as [External Speaker] to output all received signals through the externalspeaker.• The icon appears on the display.Press the [External Speaker] key again to output all received signals only through thebuilt-in speaker.DISPLAY BRIGHTNESSYou can cycle the display brightness between high, low, and off by pressing the keyprogrammed as [LCD Brightness].