bittner XB400 - Connected Ampliﬁers; Switching Modes

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3 Speciﬁcations of the Devices

Page 63

3.13.5.1 Switching Modes

The switching modes determine how many ampliﬁer channels are being backed up. The switching modes

are selected with DIP switches 1 and 2 of the block SW3 on the rear panel of the device.

Caution

To activate the DIP-Switch SW3 settings the AX16 has to be re-powered.

Mode 7+1 Mode 3+1 Mode 1+1

Eight ampliﬁers (16 channels)

may be connected. Seven

ampliﬁers (14 channels) are being

used as program ampliﬁers and

one ampliﬁer (2 channels) as the

backup ampliﬁer.

Two groups of four ampliﬁers (8

channels) each may be

connected. Three ampliﬁers (6

channels) of each group are

being used as program ampliﬁers

and one ampliﬁer (2 channels) as

the backup ampliﬁer.

Four groups of two ampliﬁers (4

channels) each may be connected.

One ampliﬁer (2 channels) is

being used as program ampliﬁer

and one ampliﬁer (2 channels) is

being used as the backup

ampliﬁer.

Mode 7+1

Mode 3+1

Mode 1+1

Program Amp

Backup Amp

Figure 3.43: AX16 - Switching Modes

3.13.5.2 Connected Ampliﬁers

The DIP switches 1 to 8 of block SW1 tell the AX16 whether an ampliﬁer is connected or not.

• ON: ampliﬁer is connected

• OFF: no ampliﬁer is connected or the ampliﬁer is controlled by an SXL II (refer to Split Mode sec-

tion 3.14.9.5).

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