Icom IC-M804 Instruction Manual - Page 15

BASIC OPERATION 4 ■ Receiving and transmitting D Receiving 1. Select a channel by rotating [CH/GRP] or pushing the Keypad keys. (p. 9) 2. When receiving a call, rotate [VOL] to adjust the audio output level. TIP: When a call is received: • RX is displayed. • You can hear received audio from the speaker. • The S-meter displays the received signal strength. [◄]/[►] Software Keys [CH/GRP] Keypad keys 4 [VOL] D Transmitting 1. Select a channel by rotating [CH/GRP] or pushing the Keypad keys. (p. 9) 2. Push [◄] or [►] until TX FREQ Monitor is displayed in the Software Key area. 3. Hold down TX FREQ Monitor to temporarily monitor the transmit frequency of the selected channel. • TX blinks while holding down. NOTE: If the channel is busy, wait until it becomes clear or change to another channel. 4. Hold down [PTT] on the handset and speak into the microphone at your normal voice level. • TX is displayed while transmitting. NOTE: If "SWR" is displayed during transmission, check your antenna system. 5. Release [PTT] to receive. • RX is displayed. NOTE: The Time-out Timer function cuts OFF transmission after 16 minutes of continuously transmitting. TIP: To maximize the readability of your transmitted signal, pause for a second after holding down [PTT]. Hold the microphone 5 to 10 cm from your mouth, and then speak at your normal voice level. ■ DSC Scan To receive a DSC call, such as an Individual call or a Group call, push [D-SCAN] to enter the DSC watch mode. DSC watch mode [D-SCAN] NOTE: The following frequencies are always automatically monitored with this transceiver. 2187.5, 4207.5, 6312.0, 8414.5, 12577.0, and 16804.5 kHz  The setting for monitoring these frequencies can be changed in the Scanning Receiver setting. (p. 48) 10