SoundField UPM-1 User Guide SAFETY INFORMATION • This equipment must be EARTHED. • Only suitably trained personnel should service this equipment. • Please read and take note of all warning and informative labels. • Before starting any servicing operation, this equipment must be isolated from the AC supply (mains) by removing the incoming IEC mains connector.
The aim of the UPM-1 is to produce a very stable and natural sounding 5.1 without destroying the original stereo image. Key to achieving this are: •...
SoundField UPM-1 User Guide EXAMPLE APPLICATION: STADIUM SPORTS continued Suggested Settings • Add a few dB of Direct Sound to bring forward the Commentary and Effects in the front channels. • Cut a few dB of Front Ambient Sound to lower the level of the Crowd Ambience in the front Left and Right channels to give the Commentary and Effects more presence.
The L/R Balance trim allows the user to alter the Left/Right balance of the incoming stereo signal. Since the 5.1 output of the UPM-1 is entirely based on the stereo input signal it is important to make sure that the stereo signal image is correctly balanced before upmixing it to 5.1.
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Upmix Controls Upmix/Matrix Decode Select The UPM-1 has two modes of operation, Upmix and Matrix Decode - the mode of choice can be selected by pressing the Upmix/Matrix Decode select button. A green status LED confirms that Upmix mode is selected and an amber status LED indicates Matrix Decode mode is active.
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Any other divergence setting will create a mix between hard and phantom centre. 5.1 Output Levels Although in many broadcast situations the UPM-1’s 5.1 outputs will be inserted into the digital mixing console and operated on faders the following front panel level controls are provided: The L/R output control simultaneously increases or decreases the level of both the front Left/Right channels by + or - 10dB.
What to do if a fault is found If a fault develops in the unit, notify SoundField Ltd. or their nearest service facility giving full details of the difficulty. On receipt of this information, service or shipping instructions will be forwarded to you.
If the unit is returned the original container should be used. If this is not possible, a new container can be obtained from SoundField Ltd.; please specify the model number when requesting a new container. If the specially designed container is not used ensure that a suitable rigid container of adequate size is used, wrap the instrument in paper and surround it with a good thickness of shock absorbing material.
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