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Different digital boxes and tv's have different levels of RF gain. Some need more signal and some need less to work efficiently.
Possibly your Bush pvr needs a much stronger signal than your tv so the available signal is permanently on the threshold of reception and atmospheric conditions will some of the time reduce the available signal when reception will become impossible for the box but still be above the threshold for the tv set.
Modern Bush is not reknown for being a high quality brand and the purchasers of budget brand pvr's often discover reception or performance problems in fringe signal areas. Because a single aerial must receive a very wide range of frequencies it will be more efficient for some channels than others and so one channel could be a fringe channel and another channel produce a very strong frequency.
The signal strength and quality can be checked for each channel by selecting options in the menu in order to check this theory.
The problem might be solved by replacing the Bush pvr with a premium brand or replacing your aerial for a more efficient type. One of my friends had five different boxes before he gained a satisfactory performance and another friend three boxes and still has problems.
My installation has a new high gain wideband aerial on top of my 3 storey house and a distribution amplifier in the loft to keep the input lead short and the whole lot connected by very good quality double-wrapped co-ax.
I had to add different amounts of attenuation for each box or tv set but in spite of the signal being on average too strong and needing attenuating there are still channels for which the aerial is not as efficient and providing only a weak signal.
Hi, This may be due to one or two things. The remote and the box should have P+ and P- buttons. If the box operates ok but the remote doesn't the remote buttons are causing what is called switch bounce and needs replacing but if the box and remote jumps channels they are not the cause but programming and memory retention of the PVR.
Make sure the pvr is not recording anything first as this may inhibit some channels from showing. go to the update page and make sure that the box is fully updated. Another reason could be the aerial not giving strong enough signals for some of the multiplexed stations. To check this select the channel number rather than using P + or P-.
If the channel does not show it could be signal related or moved to another number and not updated. Tim
Hi, Try this go to menue on tv run the channel scan function.
If you are using a PVR or Tivo do the same with that, But you will have to set your TV to channel 3 to get your PVR/Tivo going. or in some TVs TV1 or TV2...depending how you hooked it up.or if you have HDMI cable... Good luck
I had same problem, first reset to factory default (code should be 1234) then keep trying the auto tune. It took me about 10 goes over different days since wedn 30th, managed to get all channels last night 1st Oct.
Most PVR's use a small linux micro operating system to run there menus and handle the drives, as such many of the drives used by them are formatted in Ext2/3. You will need to install a driver in windows that allows it to mount ext? drives and then you should have no problem accessing it. The link below will take you to a download site for a free driver, but they do ask you to donate. Please if it works throw them a bone as this is how they keep providing such useful software for all of us.
If this works, copy the files to your computer and then let the PVR reformat the drive, unfortunately when windows doesn't recognize the drive as being formatted, it marks it. That mark is messing with the PVR but after you add these drivers you should have no problem moving the drive back and fourth as it will recognize the drive and it's data in the future.
There are two possibilities: either the channel memory has been lost due to the TV being unplugged for an extended period or the digital tuning system has a defective component. First thing to do is go into the TVs menu system and try to re-scan the channels. You may find that you can change channels after doing this. If its still not changing channel, the digital tuning board will have to replaced.
Yes I get the same problem with my Sony XBR and its Pace PVR. The problem seems related to using HDMI interconnects; viewing the PVR through component leads allows the TV to switch modes easily, otherwise I have to turn the tv off and then back on again.