Specifications

RMa750 Programming Definitions Monday, 10 July 2000

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and the in line female plug is a: MSTB 2.5/4-ST-5.08

Due to these companies wanting to look a little bit different, the wiring for the AXlink buss and the

Crestnet buss is exactly opposite. To avoid adding extra cost and dedicated panels for each system

we have included both wiring legends on the back panel and the orientation of the connector

displays the appropriate legend.

Above the connector is a field where the ADDRESS / ID CODE of each amplifier will be marked.

As the Custom panel interface cards are internally fitted we need to set these address’s / codes

during manufacture of the RMa units. Please provide us with this information at your earliest.

A spreadsheet (RMa_PROG.XLS) of operational and control parameters is attached to aid

programming of the system.

Channel assignments re CNPI/ CPI cards.

NOTE: High = off and Low = on.

INPUTS

Input to Output faults (normally high)

Channels 1 to 6 monitor Input to Output faults.

Channel 1 = Channel 1 of the amplifier

Channel 2 = Channel 2 of the amplifier

Channel 3 = Channel 3 of the amplifier

Channel 4 = Channel 4 of the amplifier

Channel 5 = Channel 5 of the amplifier

Channel 6 = Channel 6 of the amplifier

The amplifier’s interface simply monitors that the input to output gain and signal integrity is the

same. If it is to vary then the CNPI/ CPI input for the offending channel will flag the system. The

in/out detector will show any fault including, D.C quiescent faults (post pre-amp), D.C. on the

output, Oscillation, abnormally high noise (that is not input born), a muted amplifier, various circuit

failures, bad connections, clipping etc,etc. The circuit is not sensitive to gain alteration via the front

panel attenuator. An input to output fault has to be maintained before the system is flagged. This is

accomplished by oversampling by the internal micro which will then latch the offending channels

CNPI/ CPI input. An input to output fault should automatically disconnect the offending channel.

This can be accomplished two ways.

1) The system is alerted to the fault and takes action by opening the offending channels

output speaker relay,

2) The system is alerted to the fault but the amplifier has automatically opened the relay of

the offending channel.