ALLEN & HEATH XONE 464 Datasheet download pdf (Page 28)

28 XONE:464 User Guide

External Input

An external input is provided in addition to the mono and stereo

channels. Use this either as another input to the mix or as an external

monitor source only.

INPUTS A pair of ¼” TRS jacks accepts a line level stereo or mono

source. For stereo sources plug into the L and R inputs. For mono

sources plug into the L input only leaving the R input unplugged. In

this case the mono signal is normalled through the R input socket.

Operating level is –10dBV as standard but may be changed to +4dBu

by resoldering an internal link.

ROUTING SWITCHES Two switches route the signal to Mix1, Mix2,

both or none. These are tamperproof to prevent accidental operation

during performance. Decide how the external inputs are to be used.

There are two main applications:

Mix Input To connect additional stereo or mono sources to either or

both Mix1 and Mix2. For example, you could return the processed

output from an effects device such as reverb back into the mix, you

could accept an input from a submixer to feed the same speaker

system, or you could replay a recording through the PA. Cue the

source by pressing the monitor selector EXT switch. The signal is

monitored pre-level. Use a pointed object such as a pen to select the

routing switches as required.

Monitor Only Input To return sources to the monitor selector for

monitoring only. With both switches in the up position the signal feeds

the monitor source selector and is not affected by the level control.

This is the case when the input is used for monitoring only and should

not feed the main mix, for example checking your recording of the mix.

The tamperproof underpanel routing switches prevent accidental

operation. If the switch were accidentally pressed during recording

the signal would route back on itself and feed back electronically.

LEVEL The rotary control adjusts the level of the external input to

Mix1 or Mix2 or both as selected on the routing switches above. Note

that it does not affect the feed to the monitor selector. The control

adjusts from fully off to a maximum +6dB boost. The normal 0

operating position is marked.

MONITOR SELECT Press EXT in the monitor select switch bank to

listen to the input in the headphones and local booth monitor. The

signal level is displayed on the monitor meters. The EXT selection is

automatically overridden when any Aux monitor or Cue switch is

pressed. Pressing EXT overrides the Mix1 and Mix2 selection. For

example, you could be listening to the music mix with MIX1 pressed,

then press EXT to check the recording. You do not need to release

MIX1 first.

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ALLEN & HEATH XONE 464 Datasheet Page 28

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