Cobra MRF77 GPS MR F77W GPS Manual - English - Page 15

Operating Your Radio Getting Started Getting Started • Refer to the foldout on the front cover of this manual to identify the various controls and indicators on your radio. Throughout this manual you will be instructed to press or to press and hold buttons on the transceiver. Press means a momentary press, then release; press and hold means to hold the button. Tones And Alarms When your Cobra Marine VHF radio is On, you can expect to hear the following tones and alarms. The volume of these sounds is controlled by the circuitry in the radio and is not affected by the volume set with the On-Off Power/Volume knob. Confirmation Tone Single high-pitched beep confirms all button presses except the Talk button. It can be turned On or Off. See set-up routines on page 30. Error Tone Three low-pitched beep indicates an invalid button press. DSC Distress Alarm High-low-high-low-high. Pause, then repeat. The volume of all alarms will increase after 10 seconds. Press any button to turn it Off. NOTE This alarm sounds only for DSC distress calls on Channel 70. It does not sound for voice calls on Channel 16 - you still must listen for those. Distress Acknowledgement Alarm High-low-high-low-high. Pause, then repeat. The volume of all alarms will increase after 10 seconds. Press any button to turn it Off. DSC Routine Call Alarm High-pause-high-pause-high. Long pause, then repeat. Press any button to turn it Off. DSC Geographical Alarm Loud, continuous, medium-pitched, high-low tones (warble) - sounds when a geographical call is received. Press any button to turn it Off. DSC Position Request Alarm Medium-loud, continuous, low-pitched series of closely spaced, four (4) beeps [three (3) short - one (1) long] groups - sounds when a position request call is received. Press any button to turn it Off. DSC Individual Alarm High-pause-high-pause-high. Long pause, then repeat. Press any button to turn it Off. 24 English Operating Your Radio Getting Started Weather Alarm Medium-loud, continuous, medium-pitched series of one-half (1⁄2) second beeps spaced one-half (1⁄2) second apart - sounds when weather alert is turned On and NOAA sends a 1050 Hz weather alert tone on the selected weather channel. Press any button to turn it Off. Power On-Off Transceiver power can be turned On or Off by the On-Off Power/Volume knob on the transceiver. On-Off Power/ Volume Knob To Turn Your Radio On Or Off: 1. R otate the Off Power/Volume knob clockwise to turn on the transceiver. To turn off the transceiver, rotate the Off Power/Volume counter clockwise until a "click" is heard. When the radio is powered On, the confirmation tone will sound. The radio will return to the settings in effect when it was last powered Off, the LCD will show the corresponding information, and all controls will be operative. The radio will then be in Standby mode. On-Off Power/ Volume Knob Volume  The On-Off Power/Volume knob on the transceiver controls the speaker volume. The volume adjustment applies only to what you hear from the speaker and does not affect the volume of your outgoing messages. That is controlled by the circuitry of VOlume your radio. The volume bar graph will be shown to indicate the volume setting. 2 seconds after finishing the volume adjustment, the radio will return to the Standby mode. On-Off Power/ Volume Knob To Increase The Volume: • Turn the On-Off Power/Volume knob clockwise. To Decrease The Volume: • Turn the On-Off Power/Volume knob counter-clockwise. Squelch Squelch control filters weak signals and radio frequency noise so that you can more clearly hear the signals you want. You can think of it as a variable barrier that blocks what you don't want to hear. Nothing Comes Close to a Cobra® 25