PS Engineering Avidyne PMA8000B Instrucciones de operaciones Pagina 3

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202-890-0402 Rev. 2 Page 3 Oct. 2010 PMA8000B Pilot Guide
the selected transceiver is automatically heard in the headsets and
speaker (if selected). You can check this function by switching from
C
OM 1 transmitter to Com 2 transmitter by pressing the COM 2 trans-
mitter selector pushbutton. Note that the associated Com 2 receive
pushbutton indicator light that is located immediately above the Com
2 transmitter pushbutton turns green. This guarantees that the pilot
will always hear the , so that when switching transmitters from C
OM 1
to C
OM 2, if COM 2 audio was previously selected, COM 1 audio will
continue to be heard. This eliminates the pilot having to switch Com 1
audio back on, after changing transmitters.
When switching from C
OM 1 to COM 2 while Com 2 was not previ-
ously selected, C
OM 1 audio will be switched off. In essence, switch-
ing the mic selector will not override prior selection of COM receiver
audio.
In normal (not split) modes, the PMA8000B gives priority to the pi-
lot’s radio Push-To-Talk (PTT). If the copilot it transmitting, and the
pilot presses his PTT, the pilot’s microphone will be heard over the
selected com transmitter.
In TEL mode, the pilot microphone and headphones are connected to
the cell phone. The pilot PTT will switch the pilot mic to the selected
com transceiver, and allow continued aircraft communications to con-
tinue. (See Page 4—TEL—for more details)
The copilot will also be able to transmit on the other selected radio
with his PTT as well.
Split Mode
The split mode can be activated at any time
by pressing the C
OM 1 and COM 2 XMT
buttons at the same time. This places the
pilot on C
OM 1 and the copilot on COM 2.
Pilot on C
OM 2 and Copilot on COM 1 is not
possible.
When the split mode is activated, the intercom between the pilot and
copilot is inhibited, although the passengers can still talk among
themselves.
The crew intercom can be reactivated if desired by pressing the
“Mute” button. The indicator LED in the Mute button will be green
when the intercom is off (muted), and turn off to indicate that the in-
tercom is not muted, and the crew can speak to each other.
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