9SELECTING A CHANNELPress the CH key (right side) to increase the channel number. Press thekey (right side) to decrease the channel number.SELECTING A GROUPIf Group Up or Group Down has been programmed onto a key, press the GroupUp or Group Down key to select your desired group.If a trunking group is selected, the icon appears on the display.Note: You cannot select a trunking group unless Group Up or Group Down has been programmed.TRANSMITTINGNote: Before transmitting, first monitor the channel to make sure it is not already in use.1 Select your desired group and channel (above).• If the channel is busy, wait until it becomes free.2 Press the microphone PTT switch and speak into the microphone in yournormal voice. Release the PTT switch when you have finished speaking.• For best sound quality at the receiving station, hold the microphone approximately1.5 inches (3 ~ 4 cm) from your mouth.RECEIVING1 Select your desired group and channel (above).2 When you hear a signal, readjust the volume level if necessary.• Your dealer may have programmed an encode and decode tone pair on yourtransceiver. If your selected channel is programmed with these tones, you will hearcalls only when another party in your system makes a call. All other calls will notbe heard.3 Respond to the call as described in step 2 of “T RANSMITTING ”, above.