Owner's manual

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4140

APPENDIX – BUS POWER NOTES

Bus Power

Impact Twin can be operated using FireWire bus power.

With FireWire bus power, the device is powered directly

from the FireWire connection, and you do therefore not

need to use the external power supply (included with

Impact Twin).

There are a few things to be aware of regarding bus

power:

4-pin FireWire Connectors

Please note that some FireWire ports are not able to

provide bus power at all! Laptop computers with 4 pin

connectors do not provide bus power.

Several Impact Twins on a Single FireWire Bus

If you run more than one Impact Twin device on a

FireWire bus, only one of them can be bus-powered;

the other units require power from the supplied external

power supplies.

Insufficient Bus Power

Some laptop computers (even those with 6-pin

connectors) do not provide enough bus power for a

single Impact Twin unit to run properly. If you experience

problems, please use the provided external power supply

as the first effort to solve the problem.

APPENDIX – ASIO CHANNEL NAMES

IMPACT TWIN

44.1 to 48 kHz 88.2 to 96 kHz 176.4 to 192 kHz

Inputs Inputs Inputs

1 Main / line 1 1 Main 1 / Line 1 1 Mic inst / line 1

2 Main / line 2 2 Main 2 / Line 2 2 Mic inst / line 2

3 Line 3 / L 3 Line 3 / L 3 Line 3 / L

4 Line 4 / R 4 Line 4 / R 4 Line 4 / R

5 SPDIF 5 SPDIF 5

6 SPDIF 6 SPDIF 6

7 ADAT/TOS 7 ADAT/TOS 7

8 ADAT/TOS 8 ADAT/TOS 8

9 Optical 9 Optical 9 Optical

10 Optical 10 Optical 10

11 Optical 11 11

12 Optical 12 12

13 Optical 13 13

14 Optical 14 14

Outputs Outputs Outputs

1 Main 1 / Line 1 1 Main 1 / Line 1 1 Line 1 / Main L

2 Main 2 / Line 2 2 Main 2 / Line 2 2 Line 2 / Main R