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from A&R Cambridge
Delta ISO MICAM stereo TV toner handbook
Addendum
The following points were omitted from the Delta 150 handbook:
The "MUTE" function on the CR50 remote control handset will only work when the "VARIABLE AUDIO OUTPUT" is connected.
When switching the Delta 150 on from the "STANDBY" mode, the last selected channel number will appear on the front panel display.
If the Delta 150 is switched on with the power switch on the front panel, It will default to channel 1.
When the Delta 150 is connected to your hi fi VCR using a SCART (or separate audio/video leads), it will be necessary to switch the VCR to the "AUX" mode in order to record stereo transmissions.
Please refer to the VCR's handbook.
Figure I. Simple configuration using the Delta ISO's remodulated output
VIDEO (BNC)
Figure 3. Configuration making use of TV set fitted with a SCART socket.
Erratum
SCART
Figure 2. Simple configuration connecting your TV and VCR to the Delta 150.
VIDEO (BNC)
Figure 4. Configuration making use of TV set fitted with two SCART sockets.
Please refer to these diagrams when Installing your Delta 150, NOT the diagrams on page 11.
These have been incorrectly labelled. Please accept our apologies for any inconvenience this may have caused.
Delta 150 NICAM stereo TV tuner handbook
Introduction
The Arcam Delta 150 is a NICAM (Near Instantaneously Companded Audio Multiplex) stereo TV tuner which offers the enthusiast near compact disc quality stereo sound from terrestrial TV broadcasts in the UK.
The Delta 150 is a stand alone unit built to the highest standards. It is designed to be used in conjunction with a television or video system, and complements the existing range of Arcam Delta
hi fi separates.
Although there are many 'stereo' TV sets currently available, the quality of the TV's own speakers will not realise the full potential of the Delta 150.
Best results will be achieved when the Delta 150 is connected to an amplifier and a pair of good quality hi fi loudspeakers. We recommend positioning your television set midway between your speakers, and turning down the volume on the TV set. If your room layout does not permit this, and your amplifier is capable of driving two or more pairs of speakers, you might choose simply to place a second pair of speakers either side of the TV and use these when watching the television. Your main pair of speakers can then be left in their existing location and used exclusively for the hi fi system.
The Delta 150 is also equipped with a high quality composite video output. This can be used to enhance picture quality, provided your TV has a suitable composite video input (usually found on a SCART or Peritel A/V socket).
Because of its design, the Delta 150's 8 presets can be tuned and operated in much the same way as a conventional TV set, either from the unit itself, or via the supplied CR50 remote control handset. This also provides remote control operation of the volume, mute, and standby functions.
Please study this handbook carefully to ensure that you get the best possible results from your Delta 150 NICAM tuner. It will probably be necessary to refer to the handbooks of your video cassette recorder (VCR) and TV in order to find the configuration that suits
you best.
If in doubt, consult your dealer. He is there to help!
Delta J50 NICAM stereo TV tuner handbook
Installing and using your Delta 150
IMICAM tuner
Mains Supply
The Arcam Delta 150 is supplied to work on 220V/240V AC mains. A detachable mains lead is supplied with the Delta 150. The cores of this lead are coloured in accordance with the following code;
Green and yellow - Earth
Blue - Neutral
Brown - Live
If the colours in the mains lead do not correspond with the coloured markings identifying the terminals in your plug, proceed
as follows;
The wire which is coloured green and yellow must be connected to the terminal on the plug which is marked by the letter E, or to the safety earth symbol, or to the terminal coloured green and yellow. The wire which is coloured blue must be connected to the terminal which is marked by the letter N, or coloured black or blue. The wire which is coloured brown must be connected to the terminal which is marked by the letter L, or coloured red or brown.
Fuses
If the mains plug is fused, fit a 3 amp fuse.
The AC supply inlet to the Delta 150 uses a standard lEC chassis mounting plug.
The lEC line socket on your mains lead and the lEC plug on the Delta 150 are a tight fit; before first using the Delta 150 it is therefore important to ensure that the socket is firmly pushed home into the chassis plug.
Under no circumstances should the Delta 150 top cover be removed unless the supply is first disconnected at the wall socket.
Notice
1. Please retain the carton and all packaging materials provided with this equipment so that it may be repacked correctly if it ever becomes necessary to transport the unit, or to return it for service.
2. If servicing is required, then the equipment should be properly packed and returned to the dealer from whom it was purchased. It is essential to include a covering letter giving your name and address, and a brief but thorough description of
the fault.
Positioning the Delta 150
In general we believe you will find the Delta 150 to be most useful if it is placed alongside your hi fi equipment rather than your television. The various audio cables required can then be kept short, to ensure the highest sound quality. If you own a hi fi video cassette recorder, there is also a strong case for moving this closer to your hi fi system. The VCR's audio record and replay functions are then more easily integrated with the Delta 150 and the rest of your sound system. Connected to your FM radio tuner, most hi fi VCRs can be used to record long duration radio programmes if you wish.
Please observe the following precautions when siting the
Delta 150:
Do not place the Delta 150 close to a source of heat (e.g. direct sunlight, a radiator or a powerful amplifier)
Ensure that air can circulate freely around the unit.
Do not place the Delta 150 directly underneath (or on top of) a turntable, cassette deck or VCR. The mains transformer of the Delta 150 may, in some circumstances, induce a level of background hum into the sensitive circuits of these units.
Do not expose the Delta 150 to rain or moisture.
Delta 150 NICAM stereo TV tuner handbook
Connections and warming up
There are several points that should be noted before using your Delta 150.
In particular, it is advisable to switch off your system before connecting it up to the Delta 150. This will avoid possible damage to your loudspeakers. At the very least, ensure that the volume control on your amplifier is turned down, or an unused input is selected.
Although the Delta 150 will receive broadcasts within seconds of switching on, in common with other audiophile products its internal circuits take some time to fully stabilise. We have found that the very best sound quality may not be obtained until the unit has had some time, maybe an hour or two, to warm up.
Note
When the Delta 150 is switched to standby mode, these critical circuits remain energised. The optimum audio performance may then be obtained as soon as the unit is switched on again.
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