Becker Avionics GmbH AR6203 Manual Do Utilizador
Operating Instructions
Frequency Selection Modes
0638.420-071 Issue 03 July 2015
VHF Transceiver Family 620X
13
•
PTT 1 input activates transmission from microphone path 1
•
PTT 2 input activates transmission from microphone path 2
•
If BOTH MIKES are active / enabled in the installation setup,
each input (PTT 1 or 2) activates the transmission from both
microphone paths simultaneously.
The "TX" symbol in the left upper corner of the display indicates the device
is in transmitting mode.
118.005
127.000
TX
In transmit mode several user actions such as changing frequency
selection mode or channel spacing mode, which are normally allowed in
receive mode, are blocked. (As an exception in standard mode the "Preset"
frequency may still be changeable, even during transmission).
No intercom operation is possible in transmit mode.
The side tone (demodulated audio of the emitted signal) is available on the
No intercom operation is possible in transmit mode.
The side tone (demodulated audio of the emitted signal) is available on the
headphone output. The transmit mode automatically deactivates the
speaker.
Note:
Note:
Transmit mode is automatically terminated (return to
receive mode) after 120 seconds of continuous
transmitting even if PTT is still pressed. In this case
"STUCK PTT" is indicated (refer to page 30). For
initiation of a new transmission, /PTT line needs first to
become inactive.
2.5.
Frequency Selection Modes
Following frequency selection modes are available on AR620X and
RCU6201:
•
Standard mode
•
Direct tune mode
•
Channel mode
•
Scan mode
The "Standard Mode", "Direct Tune Mode" and "Channel Mode" provide
different user interfaces for convenient selection of the operating frequency.
These three frequency selection modes are selectable by consecutive short
pressing of "MDE" key.