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Technical FAQs

QRF5000 Local Insertion FAQ

Solution: Make sure that there is no AC/DC power on the cable. Power level is between 0-15dBmV on the tuner input. RF notch filter is wired properly.

Solution: Make sure that the net data rate does not exceed 38mb for 256-Qam system and 26mb for 64-Qam system.

Solution: Make sure that your composite video/audio source is powered and connected to the input of the QRF5000 encoder. You can verify by connecting your source to a regular TV’s yellow RCA input and making sure that video is present.

Solution:  Make sure there are no duplicate PID’s in the stream, perform PID auto match through Radiant REP Manager software. If using bitrates 2mb and lower for the local encoders, the resolution needs to be lowered. Check Qam tuner filters, make sure that enough or the right MPEG programs were deleted.

Solution: Check QAM deletion filter. Make sure that the system is balanced – power level of the output of the notch filter and the QRF5000 output are the same.

Solution: There is audio gain feature which can be accessed via the Rep Manager software under encoder tabs. The audio can be configured from -24 to +24, increments of 3.

VL4500 HD Encoders FAQ

Solution: Red status led indicates either no SDI video is present, or the encoder is in idle state.

Solution: Make sure that the net data rate does not exceed 38mb for 256-Qam system and 26mb for 64-Qam system.

Solution: Red alarm led indicates that the encoder is not configured properly. Make sure the video bit rates are proper for HD and SD outputs. Make sure your inputs are selected correctly for video as well as audio, example SDI 1 or SDI 2 etc.

Solution: Make sure via the front panel that you have the correct IP/SN/GW assigned to the encoder and also that your computer is on the same subnet. Make sure “Enable Out-of-Band Management” option is not unchecked under system settings tab. Make sure VLAN is not enabled on the encoder.

Solution: Make sure there are no duplicate PIDs.

Solution: There is audio gain feature which can be accessed via the WebGUI of the encoder. The audio can be configured under audio settings from -24 to +24, increments of 3.

RM1121 Remote Monitoring FAQ

Solution: Attempt to ping the unit to ensure it is responding on the network.
Ensure that a proper IP address for the specific network segment the unit
is on has been configured to the unit.

Reason: Ports 6970-6973 may be blocked on Network by Firewall.
Solution: Check with the network administrator to confirm that ports 6970-6973 are open. If the RM1121 Device is used on the public Internet, it is strongly recommended that it be protected by a firewall between it and the public connection. A simple firewall is often present in Cable/DSL routers and while simple, it is usually sufficient to control access to the units. The more secure configuration filters access to the devices by the IP address of the client only and blocks other unwanted users from gaining access.
Reason: The volume on the Audio tab may be too low or the cable box audio output level may be too low.
Solution: From the PCVision main screen, select the Audio tab below the main viewing screen. Use the volume slider to adjust the volume up and down. If the cable box output level is too low, try using the remote control to increase the volume. Some multi-function remote controls are set to only control the TV volume level. These remotes will also have that limitation in PCVision.
Reason: Either the IR Code, selected under IR set-up, does not match that of the set-top box interfacing with the RM1121 unit, or you do not have permissions to operate the remote (Channel changing capability)
Solution: Select Configure from the Device menu. Click on the Inputs tab. Ensure that the remote control in the IR LIB box is correct. If not, select Change and choose the appropriate remote for your set-top box. If the remote is not available in the list, contact support for additional files and loading instructions.
Reason: The unit is streaming but there is no video signal in the RM1121.
Solution: Check the video source.
NOTE: Internally generated screens may be present while channels are changing on the set-top box, while the unit locks on video sync.
Reason: The RM1121 only has one encoder so only one input can be encoded and streamed at a time.
Solution: You can change inputs under video tab in PCVision.
NOTE: If you had 4/6/9 RM1121 units then you can stream one input from each of those units into a 4/6/9 matrix simultaneously.

Mailing Address:
Radiant Communications Corporation
PO Box 867, 5001 Hadley Rd.
South Plainfield, NJ 07080

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