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8.4. Integrated aerial
The Ex PMR 500 is delivered with a flexible integrated rubber spiral aerial and must
only be used with this aerial!
This integrated aerial is insoluble via a SMA socket, when connected with the radio
telephone device.
Advice:
- Never send without the integrated aerial!
- The final transmission stage of your radio equipment could become
-
damaged on other ways!
- Never place the radio equipment on the aerial!
- The connection of another aerial is a punishable offence!
8.5 Operating elements and connections
In this section the meaning of the single connections and buttons will be explained in
great detail. Please take the positions described on page 4.
Connections and regulator on the top
➀ VOL/OFF
With the inner part of the double regulator, switch the radio equipment on or off and
adjust the volume. The radio equipment is switched off if this regulator is on the left
side. To switch on turn to the right (click).
Turn the regulator clockwise in order to raise the volume.
Warning: Do not turn the loudspeaker on too high, especially for operations using
headphones!! Ear damage could be consequential!
➁ SQ
Regulator for low noise barrier. This has no function for pilot procedures CTCSS. On
the left side the low noise barrier is switched off.If you turn the regulator clockwise then
the level recorder of the low noise barrier is raised. The low noise barrier should be
installed so that no murmurs sound from the loudspeaker.
➂ 3. Integrated aerial/aerial connections
The integrated aerial is connected to this SMA socket.
➃ 4. Sockets MIC and SPK
Under the protective cap the connections for an external microphone MIC and an
external loudspeaker SPK can be found. If this is used e.g. as equipment containing
speech, the internal microphone or the internal loudspeaker will be switched off. If the
sockets are not used, cover them with protective caps so that neither spray water nor
dust can enter.
Warning: One may only use equipment that has been released for operation for the
ExPMR 500 by ECOM.
9
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