Radial Engineering SW8 Owner's Manual download pdf (Page 9)

True to the Music

Radial Engineering Ltd. SW8 Owner’s Manual

OPERATION

Manual Mode

In this mode the SW8 may be toggled with the front panel INPUT SELECT switch or with an external latching footswitch connected

to the CONTACT INPUT jack. If the SW8 does not toggle when either the front panel AB SELECT switch or external footswitch is

depressed ensure the AUTO ON switch is in the outward position and its LED is not illuminated.

Manual Mode with Alarm

In this mode the Tone Track signal is used to trigger an external alarm system in order to prompt the operator to manually switch to

the backup machine.

1. Record a Tone Track signal onto track-1 of your master multi-track.

2. Connect track-1 to either INPUT-A (channel-1) or the AUTO SWITCH input jack.

3. Ensure the AUTO ON switch is in the outward position and the LED is not illuminated.

4. Connect an appropriate alarm circuit to the CONTACT OUTPUT jack as described in the previous section.

5. While sending the Tone Track signal to the SW8, adjust the THRESHOLD control to ﬁ nd the level where the front panel ALARM LED

illuminates. Set the THRESHOLD control above this point.

6. Test the system by stopping playback on your master multi-track. When no Tone Track signal is fed to the SW8 the ALARM LED will

illuminate and the CONTACT CLOSURE OUTPUT relay closes, triggering the external circuit alarm.

Automatic Mode

In this mode the Tone Track signal is used to trigger the SW8 to switch to INPUTS-B. To activate automatic switching, depress the

AUTO ON switch and ensure the LED is illuminated. Auto switching works by sensing the Tone Track signal. A loss of Tone Track

signal will cause the SW8 to toggle to INPUTS-B.

1. Depress AUTO ON switch and ensure the LED is illuminated.

2. Record a Tone Track signal onto track-1 of your master multi-track.

3. Connect track-1 to either INPUT-A (channel-1) or the AUTO SWITCH input jack.

4. While sending the Tone Track signal to the SW8, adjust the THRESHOLD control to ﬁ nd the level where the SW8 toggles to INPUT-

B. Set the THRESHOLD control above this point.

5. Test the system by stopping playback on your master multi-track. The SW8 should toggle to INPUTS-B.

Automatic Mode with Alarm

In this mode the Tone Track signal is used to toggle the SW8 and to trigger an alarm circuit connected to the CONTACT OUTPUT

jack.

1. Depress AUTO ON switch and ensure the LED is illuminated.

2. Record a Tone Track signal onto track-1 of your master multi-track.

3. Connect track-1 to either the SW8 channel-1 or the AUTO SWITCH input.

4. Connect an appropriate alarm circuit to the CONTACT OUTPUT jack as described in the previous section.

5. While sending the Tone Track signal to the SW8, adjust the THRESHOLD control to ﬁ nd the level where the SW8 toggles to INPUT-

B and the alarm is triggered. Set the THRESHOLD control a little above this point.

6. Test the system by stopping playback on your master multi-track. The SW8 should toggle to INPUTS-B and trigger the external

alarm circuit.

TESTING THE SYSTEM

Test the system before each performance. It is the sole responsibility of the user to determine if the system is

performing as expected. Therefore it is very important to devise a testing procedure that takes into account the

weakest links in the signal and control chains. Your test points should always be up-stream of those links in

order to ensure every piece of equipment in the playback system is functioning properly. Due to the unlimited

possibilities of how the SW8 can be used we can not take any responsibility for the use, applied application,

miss-application or malfunction of the SW8 other than what is stated in the Radial warranty. If you are at all

uncomfortable or feel the SW8 is not well suited to the task at hand please return the unit to your dealer. Please

read the Radial warranty and performance disclaimer for details.

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Radial Engineering SW8 Owner's Manual Page 9

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