User's Manual

M7X and M7R Page 3-3 Operation
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Switching On
(1) At the rear of the radio, identify the ac and dc supply switches (Fig 3-1).
(2) If an ac supply is connected to the radio, set the ac supply switch to the On position. Similarly, if
a dc supply is connected, set the dc supply switch to the On position.
Fig 3-1 M7 Radio Rear Panel Supply Switch Location
(3) At the Control Head, Set the On/Off switch to On. Check that the Control Head display lights up.
Fig 3-2 Control Head
Do not attempt to operate the radio until the installation and radio configuration has been
completed.
ac Supply
On/Off Switch
dc Supply
On/Off Switch
I = On
O = Off
Supply Switch Settings
Control Head
On/Off Switch
(pull out and lever)