Microphone Keys; Ptt; Hilo / Loc Dist; Up/Down - Raymarine Ray218 Owner's Handbook Manual

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Microphone Keys

1. PTT

Press this Push-to-Talk key to transmit.

2. HILO / LOC DIST

Press and release to toggle the transmit power from HI to LO. Can also be used to
select items in menu mode. Press and hold for to toggle between full receiver
sensitivity (Distant mode) and attenuated receiver sensitivity (Local mode).
3. 16/9
Use this key to switch to the priority channel or to change the value of the
Secondary Priority Channel.

4. UP/DOWN

Use the arrow keys to change the active channel number. Press and hold for rapid
channel changing. Can also be used to scroll through selections in menu and
programming modes.

5. SCAN / SAVE

Press and release this key to access the Scan Mode menu, which is described on
page 44. If Scan Mode is active, pressing this key terminates the scan. Press and
hold for 3 seconds to enter a channel into the radio's memory. This function is
described in "Saving Channels to Memory" on page 50.

Transceiver Controls

6. CH/OK

Rotate this knob to change the current channel number and to change values in
Menu mode or during programming. Press in to enter values selected in Menu
mode or during programming.

7. PWR/VOL

Use this knob to turn the radio ON and OFF and to set the volume.
8. SQ
Use this knob to set the squelch threshold, which cuts off the receiver when the
signal is too weak for reception of anything but noise.
Ray218 and Ray55 Marine VHF Radios