User's Manual

70-3350/5445 – User’s Manual
 When used in a vehicle, the radio offers optimal performance when the antenna is installed at the center of the roof, in a
vertical position that is free of obstacles.
5.3 Connections

A faulty connection (or connection with an unapproved device) can seriously damage the transceiver, as well as
people or objects. For further details, refer to the service manual and/or to the Midland Radio Corporation technical
office.
5.3.a Antenna
After verifying the efficiency of the external antenna, connect it to the radio’s Antenna socket (refer to par. 5.2)
using a suitable connector.
5.3.b Power supply
Connect the red/black cable to a 13.8 V
DC
(+/- 10%) power source. The red terminal connects to the positive; the
black is negative and must be grounded. It is important to verify that the power supply line used is able to support
10 A of continuous current.
5.3.c Connection/Disconnection of the microphone
As previously mentioned, two types of microphones are available for purchase separately:
• Standard microphone MK06/35 – microphone for general use, with push to talk transmission button (PTT) (not supplied).
• Keypad microphone MK06/35-K – includes standard microphone functions, plus variable selective calling (if activated during
programming).
Standard microphone
To connect the microphone, insert the microphone’s RJ plug into the [3] Microphone socket on the front panel of
the radio. To disconnect the microphone, hold down the safety clip on the RJ plug and detach it from the socket
with caution.
Keypad microphone
The keypad microphone MK06/35-K can only be used if the radio has been programmed for its activation, as per the
following instructions. If it has not been programmed, the command described below will not be accessible.
1) Press the menu/↵ button to access the command menu, then press the buttons repeatedly until the Lcd&Keypad
menu is highlighted.
2) Press the menu/↵ again to view the available sub-menus.
3) Press the
or button repeatedly until the Keypad Micr. sub-menu is highlighted, then press menu/↵ to confirm. A
will appear beside the sub-menu to indicate that the keypad microphone is active.
4) Exit the sub-menu by pressing the F4/E
SC button, then press it a second time to exit the main menu and return to the standby
screen.
 This procedure should be followed the first time you use your microphone. If you are using the standard microphone, ensure
the
is disabled by following the above procedure.
To connect/disconnect the MK06/35-K keypad microphone, follow the same procedure as described for the standard
microphone.
5.3.d External speaker (optional)
If you possess an external speaker, connect it to the Input/Output [10] connector found on the rear panel of the
device, referring to Chapt. 13 and to the instructions supplied with the speaker itself. The external speaker must be
8 Ohm and able to support a minimum of 12 W of power.
 The output of the external speaker is grounded. Be careful not to create short-circuits with the body of the vehicle.
 The transceiver can be programmed so the external speaker is excluded and only the internal one is used. For further details,
refer to par. 8.4.
Rev. 0.1 on 27 December 2004 Page 12 of 32