jotron RA-7203C, Руководство оператора

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Jotron AS| TR7750C: Operators Manual

Installation Page 4-8
P/N: 84748 (G)
Menu path:
TX config ► Parameter Range Default Details
Keying
(TX) Loop key bias +12V, Gnd,
floating Floating Connects the center pin of the line input
transformer to:

Floating: The center pin is not
connected. If loop keying is used,
an external voltage must be
applied to pin 3 (REM connector)
in order to key the transmitter

Gnd: The center pin is grounded. If
loop keying is used, an external
voltage must be applied to pin 3
(REM connector) in order to key
the transmitter.

+12V: A 12V DC is supplied on pin
3(REM/TR connector). The
transmitter can be keyed with a
relay (or equivalent) that create a
DC path on the line input pin, pin 3
and 6 (REM/TR connector).
Table 4.6-4, Settings associated with LINE_INPUT (TX-REM)

Line output, receiver: This is the receiver audio line output. This signal is usually connected
to the VCS system or a remote control that uses a 600 ohm line interface.
Menu path:
RX config ► Parameter Range Default Details
Audio
(RX) Output source Speaker |
Headphone |
Lineout |
VoIP Speaker,
Headphone,
Lineout The output source determines where the
received audio is output.

Line : Output audio on the 600
ohm line interface

Speaker: Output audio on the
integrated speaker.

Headphone: Output audio to a
headphone connected to the front
panel connector.

VoIP : Output audio on the IP
interface (availability depends on
radio specifications).
Audio
(RX) Line output level -40 to +10 dBm
1 dB steps -10 dBm Set the maximum output level on the 600
ohm line output.
Table 4.6-5, Settings associated with LINE_OUTPUT (RX-REM)