We can't guarantee the operation of, or picture/audio quality of, any wireless system since it is so dependent on house layout, presence of metal objects, people and interference. Use only as a last resort. You'll find these devices on page 3b of our on-line catalogue. Only the recommended (new) batteries should be used in the remote control handset(s).
The Digisender units should not be placed too close to sources of interference such as TV sets, VCRs, microwave ovens etc. This also applies to any equipment which may belong to a neighbour with an adjoining wall.
The Digisender units should be kept away from sources of heat - i.e. not placed on top of or near anything that is warm to the touch.
The Digisender units should be positioned where they can not "see" sources of infra-red radiation (eg. sunshine, electric fire).
Also please note that mercury vapour UV lights, faulty fluorescent or "energy-saver" lamps can interfere with the Digisender operation, as can other transmitting equipment such as DECT phones and wireless LAN operating on 2.4Ghz. If in doubt, try unplugging such piece of equipment temporarily.
The DigiSender Infrared return uses the 433Mhz band, 433.92Mhz to be exact, so any equipment using this or a nearby frequency might interfere with the remote control operation.
WARNING: The DigiSender can interfere with the operation of systems such as the ADT wireless security alarm! Do not use in conjunction with other equipment with a transmission frequency of 433 MHz or adjacent frequency or harmonic (multiple).
The signal which such units are permitted to transmit is limited by law to a tiny amount (a few milliWatts), so that there is minimal risk of interference to other equipment. Unfortunately this does mean that if there's any locally generated interference from, say, mercury vapour lights or even a poorly designed TV, then they simply won't work reliably. Some buildings seem especially prone to such problems - possibly because of internal metalwork or wiring - and there's nothing that can be done in such cases.
Older houses may have "chicken wire" supporting the plaster on partition walls. Newer houses with "dry-lined" plasterboard walls may have aluminium foil on the reverse side of the plasterboard. This applies equally to plasterboard used on ceilings. You can normally determine whether this is so by using a cheap "pipe locator" which you can buy from most hardware stores.
Since the manufacturer seems to have closed down their discussion forum, we have opened an AEI section in our own forum. Feel free to post your problems there. Click on the orange "Forum" tab at the top of this page.
Please contact Technical as a last resort. Be sure to give your Customer Order number and mention that you have read this page and carried out the checks and used the SatCure discussion forum.
