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2. Mark the location of the mounting bracket.
3. Remove the bracket from the radio. Then use the bracket as a template to mark the holes
to be drilled for the mounting hardware.
4. Drill the holes and mount the bracket with hardware compatible with the material of the
mounting surface.
Note: Do not use mounting knobs other than the ones supplied. Do not insert the knobs
without attaching the bracket.
5. Connect all other auxiliary cables and accessories.
Important: Do not remove the protective rubber cover from any of the connectors on the
back of the radio unless you are connecting another cable to them. These rubber covers
are designed to prevent water from entering the radio.
6. Install the radio in the mounting bracket and connect all cables and accessories to the
appropriate jacks and connectors.
Using a WHAM or WHAM x 4 Microphone With the Radio
To connect a WHAM or WHAM x 4 microphone to the radio, follow the steps listed in “Using
the WHAM and WHAM x 4 Sub Menus” on Page 41. Then, follow the steps listed in “Setting a
WHAM Base ID” on Page 42, and “Changing the Radio Link Channel for a WHAM x 4” on
Page 42. Otherwise, if you are connecting a WHAM x 4 microphone, follow the steps listed in
“Setting a WHAM x 4 Base ID” on Page 41, “Setting the WHAM x 4 Sub Radio Mode” on
Page 41, and “Changing the Radio Link Channel for a WHAM x 4” on Page 42. Then refer to
the owners manual provided with the WHAM or WHAM x 4 microphone for more information
about connecting it to the radio.
Important: If you want to use an external antenna for your WHAM x 4 with your UM625c
marine radio, it must be installed by a professional installer. Do not attempt to connect an
external antenna to a radio yourself.
Note: You cannot use a WHAM or WHAM x 4 wireless microphone to set the user MMSI,
WHAM setup, system setup, or self test on the radio. You cannot use a WHAM wireless
microphone to use the scrambler, intercom, GPS display, channel tag, or status message
display on the radio.
Using One or Two Hailer Horns With the Radio
Connect one or two hailer horns to the radio as shown in “Hailer Connector/Cable” on
Page 12. Then follow the steps listed in “Using Hail” on Page 20.
Note: The hailer horns you connect to the radio should have a rated power output of at least
35 Watts and an impedance of 2 ohms.
Setting Up The Radio