Sonifex DHY-04VS handleiding
Handleiding
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9
Configuration & Controls - DHY-04G, DHY-04HD 2
9
Connecting the DHY-04V 3
3 Connecting the DHY-04V
IEC Mains
Connect the earth and mains power connections as per the information
given in the Configuration & Controls sections of the handbook. The hybrid
unit should be connected with reference to the following diagram.
GSM Antenna
Connect the GSM antenna to the rear panel and use the signal strength
indicator to position the device/antenna to achieve the strongest signal.
Remote Line Hold
A remote switch may be connected at the Remotes socket in order to
control the line connect button from, say, the telco channel of a mixing
desk.
Connect the output from the mixing desk “clean-feed” to the mic/line input
of the DHY-04V, with the mic/line input select switch set to “Line”. A clean-
feed is a signal produced by a telco module on a mixer which is used as the
output to be fed back to a caller on a telephone line. The cleanfeed is a sum
of all the other signals which constitute the programme output, except for
the caller’s audio (this is so that the caller doesn’t hear him/herself in the
ear-piece). A cleanfeed signal will generally be of a better quality than a
mix-minus signal.
Mic/Line Input
The characteristics of the mic/line input are determined by the state of the
mic/line configuration selection switch. It is a balanced bridging input and
in line mode will accept normal signals at 0dBU peaking to +8dBU from a
sound mixer clean feed. In mic mode the unit will accept 200 Ohm
microphone level signals with a maximum gain of 71dB. It is suitable for a
wide range of microphones and the available gain is 71dB to 29dB, which
can be adjusted by the mic level pre-set mounted on the rear panel and the
front panel ‘Level to Line’ Switch. The input circuitry to the DHY-04V has a
very effective limiter, which will prevent high level overloading problems.
Ideally, the maximum input level should not exceed +12dBU. This limiter is
used for both line and mic input modes.
XLR Output
Connect the output of the DHY-04V to the telco input of the mixing console.
The output connec�on will deliver a balanced/oa�ng low impedance signal
of 0dBm from the telephone line. The output of the digital hybrid unit is
normally 0dBU from a balanced source of 50Ω or less across the useful
bandwidth of the equipment. The bandwidth is restricted by the signal
quality of the GSM network connec�on. The output stage is capable of
driving into 600 Ohm loads at up to +8dBU. Termina�on of the output is not
necessary however and direct connec�on can be made into the mixer
telephone return channel.
The output stage has a 3-way gain switch control, mounted on the front
panel (Level to Line), which may be set to give 0dB signals at the output. In
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Productinformatie
| Merk | Sonifex |
| Model | DHY-04VS |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 9063 MB |
