All posts by Dave Lindsay
Below are all of Dave Lindsay's postings, with the most recent are at the bottom of the page.
Ray Lindsay: A faulty amplifier (booster) or amplifier with no or a failed power supply maybe.
| link to this comment |
Patricia Adamache: As Einstein said, insanity is doing the same thing over and over again and expecting different results.
The BBC Wales signals are probably coming from the Moel-y-Parc transmitter which is in the opposite direction to Winter Hill and are therefore being picked up off the back of your aerial. They are on lower frequencies to the Winter Hill ones and so are picked up before it during the scan.
The answer is to either have the aerial lead out during the part of the scan that the Moel-y-Parc BBC services are or wipe what's stored and tune in the five Winter Hill multiplexes manually, if there is a manual tune option.
If you go for the unplugging aerial approach, have it unplugged from the start of the scan until it has passed scanning UHF channel 45, if it gives channel numbers during the scan, or after 50% if it gives percentage progress.
Or manual tune UHF channels 50, 59, 58, 49 and 55.
If you have any issues, post back for further guidance.
| link to this comment |
Adrian Simpson: This is a technical advice site and as such I suggest that you press the button with a loudspeaker and a 'X' through it, otherwise known as "mute". Another alternative is to switch on your TV after the first half hour of the broadcast has passed.
| link to this comment |
Ray Lindsay: Don't assume that just because its power indicator light is on that the device is functioning as it should.
Try bypassing it by connecting the incoming feed from the aerial to one of the feeds going out to one of the rooms. If the power supply for the amplifier is separate (perhaps behind one of the TVs) then remove it from the cable before bypassing the amplifier.
| link to this comment |
Ray Lindsay: I presume that you receive from the Kendal Public Service transmitter. Digital UK suggests you "may" be able to receive all channels from the Lancaster transmitter.
The two transmitters are both vertically polarised and are 21 degrees apart. You may be lucky and be able to use one aerial on bearing somewhere between the two so as to receive from both transmitting stations. This would allow you to continue to receive the PSB channels from Kendal and the Commercial (COM) channels from Lancaster. If your current aerial is a Group C/D one then this will probably have to be replaced with a wideband, or alternatively a separate Group A aerial for Lancaster combined (with a diplexer) to the existing Kendal aerial.
See here for which Freeview services are PSB and which are COM:
DTG :: DTT Services by Multiplex
| link to this comment |
Richard Cullen: Queries such as this can only really be answered with knowledge of the location, preferably in the form of postcode or nearby postcode such as that of a shop, this being for the purposes of checking the expected signals in the area.
| link to this comment |
Paul Dyson: As your postcode resolves to a block of flats I suspect that you might be using a communal aerial system and therefore that if the issue lies with it then it is only the party responsible (e.g. landlord) that can do anything to put it right.
Communal aerial systems are sometimes filtered so as to only allow through channels (frequencies) used by the designated transmitter. In the case of Winter Hill, BBC standard definition (PSB1) and COM5 (Pick TV, Dave, Sky News etc) are on previously unused channels hence for that reason it may require adjustment.
| link to this comment |
Chris Sharp: My thoughts on this as a technical bod is that there may be some remnant of the previous set-up still in the memory. You know that the set worked fine before the change of channel (frequency) so it is known to work with the post-switchover signals.
Here are some things I can think of to go through:
Is there some sort of factory reset or hard reset?
Can you try running the automatic tuning scan through with the aerial unpluged? If this apparently 'blanks' what's already stored then run it through again with the aerial plugged in.
Another thing to try is running the tuning scan through but having the aerial unplugged when it scans C49, so as not to have BBC standard definition services stored but so as to get at least one multiplex stored. Having powered it off, checked that everything that was stored is still stored try adding C49 (698MHz).
Can you tune in PSB1 (BBC standard definition) from the Chepstow relay transmitter on C24 (498MHz)? Having done this, in an effort to 'flush-out' whatever is apparently stuck in the memory and causing your issue, try retuning to Mendip.
-----
I think that Philips has got the wrong end of the stick. DVB-T2 is the mode used for Freeview HD. It can receive DVB-T whioch is the mode used for standard definition.
| link to this comment |
P. Kieran Ward: I imagine that there will be no restrictions from Clermont Carn because it is within the Republic.
Presumably the rights RT has to certain programmes doesn't allow them to be broadcast from transmitters outside the Republic.
| link to this comment |
Tuesday 28 May 2013 12:38AM
PJH: Irrespective of whether the terrain allows, Clermont Carn apparently has a null in the direction of Newtownards and Bangor (see its page on this site - the red plot being SV1 which is C52 and the current solitary signal).