Fusion MS-IP700 Marine GPS System User Manual


 
19
SETTING UP VHF
Note: A marine FM antenna is required for VHF reception, DO NOT connect
to a VHF splitter.
Minimizing background noise
Use the Squelch feature to reduce background noise on VHF input. Select a
VHF channel, and then adjust the squelch control while there is nothing being
transmitted on the channel.
To set the squelch level:
1. Press the Menu key.
2. Turn and then press the Encoder to select Squelch.
3. Turn the Encoder to adjust the squelch level:
Increase the squelch level until the background noise is muted.
Reduce the squelch level if the audio transmission is not heard.
4. Press any key to exit
Turning scan mode on
Scan mode allows the 700 Series to scan through preset VHF channels,
looking for active channels.
Note: If the Squelch level is adjusted so that you can hear a constant
hissing sound, the unit will not scan correctly. To correct this, see
“Minimizing background noise”, above.
To turn scan mode on:
1. Press the Menu key.
2. Turn the Encoder to highlight the Scan menu item.
3. Press the Encoder to select the checkbox ( ). Scan mode is turned on
and the menu exits automatically.
Note: Pressing the Play / Pause, Forward or Rewind key turns scan
mode off.
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To disable the Category tuning method, press the Encoder to select All
channels. The Sirius Source Screen is displayed with the Tuning mode
indicated set to ‘Manual’.
4. Press the Menu key to exit the current menu or press and hold the Menu
key to close the menu completely.
Parental mode
Parental mode provides a way of preventing access channels marked by
Sirius as “Mature” or “Locked”. You must enter a 4-digit access code to enter
Parental mode. When in Parental mode you can also change the 4-digit
access code.
Note: The factory setting for the access code is 0000. You can
reset the access code to 0000 by pressing and holding down the
Mute key for 15 seconds.
To enter Parental menu:
1. Press the Menu key.
2. Turn and then press the Encoder to select Parental > Unlock. The following
access screen is displayed with the fi rst digit highlighted:
3. Enter the access code by turning the Encoder to change the highlighted
digit, then press the Encoder to select the next digit. When you have
entered all four digits correctly, Parental mode is unlocked.
To change the Parental mode access code:
1. Press the Menu key.
2. Turn and then press the Encoder to select Parental > Change code.
The following access screen is displayed with the fi rst digit highlighted: