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Lowrance - LHR-80 Installation and Operation Instructions18
3-4 Power On/Off
You can turn on the unit by pressing PWR/ switch (on the top side of radio) until the screen
and backlight are on. You can also adjust the volume to a comfortable level, by pressing the
VOL / keys on the side of unit.
Note: Press the PWR/ key can turn on the backlight at anytime.
3-5 Adjusting the Squelch level
The SQUELCH control enables you to set the levels of your desired signal. It determines how
strong your signal can be before you can hear it, before it “breaks squelch.” It aims to keep any
static, unwanted, weak or distant signals from interrupting your conversations.
There are 16 signals to choose from when adjusting the squelch level. To increase the levels,
raise the “Squelch Gate” higher so that only stronger signals can get through. Level “0” for
instance, means that there is no “Squelch Gate” and everything will get through.
To adjust the squelch level, press SQ / accordingly.
3-6 Volume control
Press VOL / to adjust the volume level. A volume sub-menu will appear when pressed. It
times-out after 5 seconds.