Audio Amplifier (Pa Function); Auxiliary Output; External Alarm - Midland 70-3350 User Manual

Vehicular uhf/vhf transceiver
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6) Exit the sub-menu by pressing the F4/E
screen.
To deactivate the scrambler:
1) Ensure your receiving party has also deactivated their scrambler.
2) Follow the procedures outlined above. At step 5, remove the

10.7 Audio amplifier (PA function)

It is possible to use the transceiver's audio amplifier to drive an external speaker and amplify your voice. This
provides you with a sort of "mobile megaphone", which can be used for special operations. To activate this function:
1) Press the menu/↵ button to access the command menu, then use the
2) Press menu/↵ to view the available sub-menus.
3) Press the
buttons repeatedly until the
4) Press menu/↵ to insert the
5) Exit the sub-menu by pressing the F4/E
screen.
At this point, each time you press the PTT transmission button, instead of transmitting, your voice transmission will
be heard on the external speaker.
To reactivate normal radio functions, repeat the above procedure, removing the
Once you have finished using the PA, do not forget to reactivate your radio's normal functions.
A faulty connection to the external speaker may seriously damage the transceiver.

10.8 Auxiliary output

The rear Input/Output socket of the radio can control external devices that are activated/deactivated each time you
turn your device on/off. To activate this function:
1) Press the menu/↵ button to access the command menu, then use the
2) Press menu/↵ to view the available sub-menus.
3) Press the
buttons repeatedly until the
4) Press menu/↵ to insert the
the device is in standby.
5) Exit the sub-menu by pressing the F4/E
screen.
To reactivate normal radio functions, follow the procedure outlined above.
A faulty connection to the Input/Output socket may seriously damage the transceiver.

10.9 External alarm

You can program your radio so that, each time you receive a valid selective call, external devices are activated (e.g.,
an acoustic alarm to advise you of an incoming call if you are away from your vehicle) using a suitable contact with
the rear Input/Output socket on the radio. To activate this function:
1) Press the menu/↵ button to access the command menu, then use the
2) Press menu/↵ to view the available sub-menus.
3) Press the
buttons repeatedly until the
4) Press menu/↵ to insert the
the device is in standby.
Rev. 2.0 on 1 March 2004
button, then press it a second time to exit the main menu and return to the standby
SC
PA
sub-menu is highlighted.
symbol. The audio amplifier will be activated, and the
button, then press it a second time to exit the main menu and return to the standby
SC
Aux.Out
sub-menu is highlighted.
symbol. The auxiliary output will be activated, and the
button, then press it a second time to exit the main menu and return to the standby
SC
Alarm
(auxiliary output) sub-menu is highlighted.
symbol. The auxiliary output will be activated, and the
HM35 Series – User's Manual
symbol.
buttons to highlight the
icon will appear on the display.
symbol in step 4.
buttons to highlight the
icon will appear on the display when
buttons to highlight the
icon will appear on the display when
Switches
option.
option.
Switches
Switches
option.
Page 27 of 32

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