RCD9 Receiver Operators Manual
Control Menus and Receiver Operation
Issue No: 1
Page: 21
Ref: RCD9-ASUM-7001
Copyright © 2017 IMT Ltd, trading as Vislink
Spectrum and Bandwidth
This menu provides the facility to change the RF bandwidth of the COFDM signal to be set
to 6, 7, or 8MHz.
It also allows the RF spectrum to be set to either Normal or Inverted and the Automatic
Spectrum selection function to be enabled or disabled.
NOTE: This function is only available with Advanced mode enabled. See Section 6.7.6.5.
6.7.2.
Inputs Menu
Demodulator
6.7.2.1.1.
RF Inputs
The control unit can be set for 2-way or 4-way diversity reception (factory option).
6.7.2.1.2.
Diversity Mode
The following modes of diversity operation may be selected:
1 input
2 input, with MRC diversity
4 input, with 4-way MRC diversity
4 input, with 2 + 2-way diversity - providing 2 sets of 2-way MRC in combination with
2-way ASI packet switching. (The choice of 4-way, or 2 + 2-way diversity should be
made by the user, dependent upon on the operational deployment of the receiver).
Decoder
6.7.2.2.1.
ASI Input
This menu allows the video being decoded to be switched between an external ASI or IP
source, or the internal demodulator.
6.7.2.2.2.
Signal Loss
This menu allows you to configure what happens if the signal is lost. You are able to
configure the system to display either the last image received or a blue screen
6.7.3.
Outputs Menu
Analogue Outputs
6.7.3.1.1.
Audio Level Adjustment
The receiver has 4x analogue audio outputs, arranged as two stereo pairs. Level
adjustment is pr5/-20dB in 0.1dB steps, on the nominal 0dB independently for pair
1 and pair 2.
6.7.3.1.2.
Audio Output Impedance
The analogue audio output impedance may be set to either 600 Ohms or Low impedance.
NOTE: This function is only available when Advanced mode has been enabled. See
Section 6.7.6.5.
Digital Outputs
The two SDI/ASI outputs on the receiver rear panel may independently be set to either SDI
(automatically SD or HD depending on the received signal video format), or ASI.
