Garmin VHF 720 Manuel du propriétaire et références - Page 10
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Eleven keys provide access to all of the unit' s
features and functions. When any key (except
Keys &
the PTT key) is pressed, the unit will acknowl-
Function
edge by emitting a single beep confirmation
tone. Some keys have dual functions.
Displays
Power/Backlighting Key - This key turns on
the unit when pressed and released, and turns
the unit off when pressed and held for more than
Power/Backlighting
one second. Briefly pressing and releasing the
Key
power key when the unit is on will activate the
backlighting feature and will last for five seconds
after the last key is pressed.
Channel Up and Channel Down Keys -
Pressing these CH arrow keys sets the operating
channel. Pressing these keys while the Squelch
key is pressed and held, sets the squelch
threshold level.
Channel Up &
Channel Down Keys
Weather Channel/Regular Channel Key -
Pressing and releasing this key will toggle
between the ten weather channel band and the
fifty-six regular channel band. Pressing this key
for more than one second will activate the
weather alert feature if a weather channel is
Weather Channel/
currently displayed.
Regular Channel Key
NOTE: WX Alert Mode will interrupt regular use
momentarily to monitor for a weather alert tone on
the selected weather channel.
Volume Increase and Volume Decrease Keys -
Pressing the plus and minus keys increases or
decreases the volume of received transmissions
Volume Increase &
and audio tones.
Volume Decrease
Keys