West Marine VHF550 Manual Del Usuario página 53

Maintenance and Troubleshooting
Problem
The display flashes, and I don't
know.why.
I.can't.read.the.display.
The.display.is.too.bright.at.night.
I'm.not.getting.any.GPS.data.on.
my.display.
I'm.not.getting.any.hazard.alerts.
I'm getting all the hazard alerts,
not.just.the.ones.for.my.area.
I.can't.make.Group.DSC.calls.
Where can I find my radio's serial
number?
The.radio.won't.let.me.enter.my.
User MMSI. What do I do?
Things to Try
The display will flash if the radio is in a watch
mode or in scan mode. Try turning off scanning,
Weather Alert Watch, or Triple Watch (see
pages.12.and.13).
Adjust.the.contrast.and.backlight.brightness.
level.(see.page.23)
Adjust.the.backlight.brightness.level.
Make.sure.your.GPS.receiver.is.correctly.
connected.(see.Connecting.to.a.GPS.receiver).
Make.sure.your.GPS.receiver.is.working.
properly.
Make.sure.that.your.GPS.receiver.supports.the.
NMEA.parameters.described.on.page.63.
Make sure Weather Alert Watch is turned on.
Check.to.make.sure.the.FIPS.codes.in.your.
radio.include.your.current.location.(see.Using
FIPS codes for weather alerts.on.page.21).
Check.to.make.sure.the.FIPS.codes.in.your.
radio.were.entered.correctly.(see.Using FIPS
codes for weather alerts.on.page.21).
Sometimes the Weather Alert Watch may catch
a.hazard.alert.in.the.middle.of.the.broadcast.
and.miss.which.FIPS.codes.are.affected..For.
your safety, the radio triggers the alert tone
and.switches.to.the.weather.channel.when.this.
happens..
Make.sure.the.Group.MMSI.was.entered.
correctly.
Look.on.the.right.side.of.the.radio.(the.side.with.
the microphone cord), behind the mounting
bracket.
Contact.customer.service.
E-50