Garmin VHF200 Owner's Manual - Page 23

Digital Selective Calling 2. The radio automatically sounds an alarm, switches to Channel 70, and transmits your call on HI (25 W) power. You can press any key to turn off the alarm sound. 3. After transmitting your distress call, the radio automatically tunes to Channel 16 on HI (25 W) power. Press the PTT key on the microphone or handset and speak your message. The radio waits for an acknowledgement (ACK) on Channel 70 from a listening station. Sending a Designated Distress Call When you send a designated distress call, the nature of your emergency is transmitted to the receiving stations. 1. Lift the spring-loaded door and press the DISTRESS key. 2. Use the Channel knob to select the type of distress call: • UNDESIGNATED • FIRE • FLOODING • COLLISION • GROUNDING • CAPSIZING • SINKING • ADRIFT • ABANDONING • PIRACY • MAN OVERBOARD NOTE: To exit this screen without sending a designated distress call, press the CLEAR key to return to the Home screen, or press the 16/9 key to tune to Channel 16. 3. Press and hold the DISTRESS key for at least three seconds. 4. The transceiver beeps, and the screen displays "DISTRESS CALL COUNTING DOWN". The channel pane counts down the seconds from 3 to 1. 5. The radio automatically sounds an alarm, switches to Channel 70, and transmits your call on HI (25 W) power. You can press any key to turn off the alarm sound. 6. After transmitting your distress call, the radio automatically tunes to Channel 16 on HI (25 W) power. Press the PTT key on the microphone or GHS 10 handset and speak your message. The radio waits for an acknowledgement (ACK) from a listening station. Waiting for a Distress Call Acknowledgement If the radio does not receive a distress call acknowledgement, the radio retransmits the distress call at a random time between 3.5 and 4.5 minutes. This process is repeated continually until the radio receives an acknowledgement. VHF 100/200 Series Owner's Manual 17