Raymarine Ray218, Owner'S Handbook Manual

Page: 36 / 126

36 Ray218 and Ray55 Marine VHF Radios
3.5 Setting the Volume
...on the Transceiver
Adjust the PWR/VOL knob to control the loudspeaker volume level. Turn
clockwise to increase the volume; counter clockwise to decrease the volume.
...on the optional Raymic
Press the up arrow on the VOL/SQ key to increase or the down arrow to decrease
the volume level.
3.6 Setting the Squelch
The squelch circuit sets the threshold for cutting off the receiver when the signal is
too weak for reception of anything but noise.
...on the Transceiver
To properly set the squelch, rotate the
SQ
knob counterclockwise until audio is
heard. Then rotate clockwise until background noise disappears.
...on the optional Raymic
Press and release the center of the
VOL/SQ
key to activate squelch threshold level
adjustment. Press the down arrow key until audio is heard. Then press the up
arrow until background noise disappears.
3.7 Tuning the Channel
...on the Transceiver
Rotate the
CH/OK
knob clockwise to increase the channel number.
Rotate the
CH/OK
knob counterclockwise to decrease the channel number.
...on the optional Raymic
Press and release the UP arrow to increase the channel number.
Press and release the DOWN arrow to decrease the channel.
Press and hold either key for rapid channel scrolling.