Cloud Z8II Manual de instalação e do utilizador - Página 8

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& Z8

: Installation and User Guide

Microphone Priority

Fully automatic, voice operated priority is provided. When any microphone is used, the music

signals will attenuate by approximately 30dB; after the announcement, the music signals will

restore smoothly to their former level. Priority over Mic 1 & Mic 2 is provided for the paging

mic only; when a paging announcement is made, this has full priority over any signal present

on both the Mic 1 and Mic 2 channels. In certain circumstances, the priority functions may be

undesirable; the Mic 1 & Mic 2 priority over music can be disabled by configuring J6 to the

'OFF' position on the respective zone board.

When more than one paging mic is used, the use of any paging mic will inhibit the operation

of all other paging mics, and the paging microphone 'busy' LED will illuminate. The paging

mic priority can be triggered by voice detection or by the grounding of the access contact;

the jumper J5 can be set to 'VOX' for voice triggering (default) or set to 'SW' for access

contact triggering. A separate jumper (J5) is located on each zone board

Balanced Zone Outputs

Each zone has a balanced output, using a 3 pole 'Phoenix' type connector that can operate

into loads as low as 600Ω. The nominal output level is 0dBu (775mV) but the mixer can

operate with a wide range of signals up to a maximum output level of +20dBu (7.75V). For

balanced interconnections, 2-core screened cable should be used. Connect the screen to pin

1, the reverse phase signal (normally blue or black) to pin 2 and the in-phase signal

(normally red) to pin 3. If you wish to connect any zone output to an unbalanced input,

connect the cable screen to pin 1 with the hot connection (inner core) to pin 3 and make no

connection to pin 2.

Facility Input

Each zone is fitted with a facility input; this 9 pin

sub D connector provides direct access to the

respective zone and is primarily used to connect one

of the dedicated active modules, AE-1, DM-1 or

LM-1. The active modules extend the facilities of the

mixer on a zone by zone basis by providing remotely

located zone access and control, for example, the

AE-1 module can be used to provide a direct input

into a particular zone specifically for aerobic

purposes (see section 24.1). The DM-1 module is

fitted with two balanced microphone inputs; the module can be used in multiples (see section

24.3) and the LM-1 module provides one balanced microphone input, a line level music input

and remote control of the mixer's music source and level (see section 24.4). The facility input

can also be used as a direct input to the respective zone via a line level balanced input.

Important note: Refer to Section 19 before installing any active module

Power Supply Capacity

The power supplies of the Z4

Care should be taken when wiring or connecting modules and external devices to the Z4

and Z8

mixers since exceeding the external load capacity risks temporary power supply

failure. The table below lists the current consumption of each compatible Z4

module and external device. Use the table on the following page to verify that the external

load of your proposed system falls within the specified limits.

30/05/03 V8

and Z8

120mA for the Z4

External Active Device / Internal Module

CPM 4 & 8

AE-1

DM-1

LM-1

Bose® Equalisation Module

venue mixers have an external load capacity of:

and 190mA for the Z8

Current Consumption

- +

BALANCED INPUT

BALANCED

INPUT

NOISE

GATE

FACILITY

NOISY 0V

CONNECTOR

VCA

CONTROL

-15V

VOLTAGE

+15V

and Z8

40mA

9mA

18mA

12mA

7mA

REMOTE

LEVEL

REMOTE

SOURCE

LOGIC 0V