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The UWP-D11 difference The UWP-D features Sony’s Hybrid Digital Processing which combines the sound quality of digital audio processing with the reliability of analogue FM modulation. This helps improve the signal exchange between transmitter and receiver resulting in a stronger and more natural sound recording. As a true dual diversity system, continuation of signal is maintained by the URX-P03 always using the strongest signal picked up either of the two independent receivers. The D11 package offers wide frequency coverage with up to 72 MHz bandwidth across a wide range of channels. The Sony website lists seven different carrier frequency versions of the D11 so it’s important to source the right model from an authorised Sony dealer for the country/region you are using it in as regulations do vary. This should result in a product that works out of the box, without fear of interference or causing interference to others on restricted channels/frequencies. Ease of use was high on my list of priorities and the D11 achieves this will some very useful features. The large, bright display panels (11.5mm x 27.8mm) on both transmitter and receiver give you an instant indication of status. This includes channel and bandwidth settings, battery strength and audio level meter on both units. The transmitter also includes a mic or line setting indicator, a transmission indicator and transmission strength setting indicator. The receiver also has signal strength status (showing the dual receivers ‘a’ and ‘b’ independently - and which one it is presently using) – so at any one time you can see what each unit is set to and whether there’s communication and signal passing between the two. solid black on the screen when you overload the input. Both units also have two light indicators on the top edge of the body – one for Power (Power/Muting button on transmitter) and another marked ‘RF’ on the receiver and ‘Audio’ on the transmitter. Under normal conditions the transmitter’s Audio light will flicker green to reflect the movement in the audio level – but if you do manage to overload the input on the transmitter this light will temporarily turn red which is very easy to spot. If you lose signal at the receiver your green light will go out altogether – otherwise it remains on constantly. The power lights will also give you further information on battery condition (each unit takes two AA batteries) – with a solid green light displaying under good battery conditions, flashing green when the battery power is getting low, flashing orange when the audio is set to muted/disabled (switched on and off using a short press of the power button on the transmitter) and, finally, solid orange when the batteries are being charged. This is one of the major advances on the UWP-D series in that you can charge Ni-MH batteries within the units by connecting them via their USB connectors (Micro B type) to a suitable supply (for instance, a laptop or any other standard USB power supply). In addition, you can also use the USB connector to power the unit without the need to have batteries installed – plus this USB connection is also used for updating firmware. The audio level meter also includes a peak indicator which displays TV-BAY MAGAZINE: ISSUE 91 JULY 2014 | 73