This alerts the receiving party that your transmission has been ended intentionally, provided that unit has an enabled Roger Beep funtion also. To enable the Roger Beep tone: -Press the F button twice until the rb icon flashes and On or oF appears on the display. -Then press the Up or Down button to set the function On. -To disable the Roger Beep tone, proceed as before, except press the Up or Down button to set the function oF. -Press the PTT button to confirm the On or oF condition. Beep Confirmation Tones Whenever any of the function select buttons are pressed, the speaker willautomatically sound a beep tone to confirm each press. VOX Function This feature enables you to have hands-free conversation. When using the internal microphone/speaker or external microphone/headset (purchased separately), your voice or the signal is detected and the radio transmits and receives automatically. To access the VOX function: -Press the VOX button; the VOX icon appears on the display. NOTE: In the VOX mode, the sensitivity is automatically set. -To exit the VOX mode, press the VOX button again; the VOX icon will disappear from the display. -10 128-6255A 10 of 16 Channel Scanning Pressing the SCAN button initiates and automatic scan of the FRS channels (1-14) in the upward or downward direction. -Press the SCAN button; channel scan will commence. -To scan in the upward direction, press the Up Channel/Volume button; to scan in the downward direction, press the Down Channel/Volume button. The channels will be scanned in the selected direction for channel activity and then repeat. If an active channel is encountered, scan will pause on the active channel for 5 seconds, and then proceed to the next channel. -If the PTT button is pressed during scan, scanning will stop, and a transmission will be sent on the primary channel whose number will flash for 15 seconds after the PTT button is released. Then scanning will continue. -To terminate the scan function, press the SCAN button again. CALL Function When the PTT button is pressed twice, the unit will transmit a 3-second ringing sound to other transceivers tuned to the same channel. This feature can be used to signal other parties that voice communication is desired. Keylock Function To enable the Keylock function, press the Function (F) button for more than 2 seconds; appears on the display for about 2 seconds. When this feature is active, all buttons are disabled except the PTT, Monitor (M) and PWR buttons. If any locked button is pressed in this mode, the icon will momentarily appear on the display to remind the user that Keylock is still in effect. To disable the Keylock function, press the Function (F) button for more than 2 seconds; the unit will beep and all buttons will become active. In addition, if the unit is turned off while in the lock mode, Key Lock will still be active when the unit is again turned on. -11 128-6255A 11 of 16 To Transmit 1. Set the desired primary channel. 2. Press and hold the PTT (Push-to-Talk) button while speaking slowly and clearly in a normal voice, approximately 2 to 3 inches from the microphone. 3. The transmit icon ( ) will illuminate while transmitting. 4. Release the PTT (Push-to-Talk) button when you finish speaking to receive incoming signals. If enabled a .Roger Beep. tone will be heard on the receiving unit to indicate end of transmission. To Receive. 1. Set the desired channel. 2. Adjust the volume control to the desired listening volume by using the up and down buttons. 3. The transceiver will play strong received signals through its internal speaker or through a headset, if so equipped. Monitor Function The monitor button can be used to play all signals present on a channel. This is useful when communicating with other parties at extreme range. The monitor function can be locked on by pressing the Monitor button for more than 2 seconds. When the monitor lock has been activated, the LCD display will indicate BUSY. Pressing the monitor button a second time will unlock the monitor function. -12 128-6255A 12 of 16 WARNING • Remove the batteries from the transceiver if it is not expected to be used for long periods. This will eliminate the possibility of battery acid leaking from the batteries and corroding the transceiver. • Avoid exposing the unit to water or extremes of temperature. • Do not use this device in or near a mining facility, which uses remotely triggered explosives or in areas labeled .Blasting Area.. Premature or accidental detonation may result. • Do not attempt to modify or in any way increase the output of this transceiver. Its output is designed to meet the legal limits set by the FCC. • Do not use this device or change its batteries in potentially explosive atmospheres as sparks in such areas could result in an explosion. • Turn your transceiver off wherever posted notices restrict the use of radios or cellular telephones. Facilities such as hospitals may use equipment that is sensitive to RF energy. • Turn your ...