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6-4

Chapter 6

Manual Nulling

You can decide to control the rate at which a particular channel nulls back to the old automation even when auto-null is operating. To do
this, touch-record a fader to start recording. When you are ready to return to play release the fader. The Play LED will start to flash to
indicate that it is nulling - grab it again. Now the fader will wait to be manually nulled (the flashing continues indefinitely). It will continue to
write the current position to the automation until either (i) you move it to the point where it matches the previous automation, or (ii) the
previous automation changes to match its level.

Relative Trim

If you select the

Automation Option

for

Relative Trim

, the update system behaves differently for faders.

Relative Trim mode allows you make updates to the channel controls beginning with what was recorded before. For example, if a fader
carefully follows the level changes of a vocal and you then decide you need a section of that vocal to track in the same way but 6dB higher,
you can "trim" it up by 6dB without affecting the existing adjustments.
To enter Relative Trim, with the option set appropriately, first put a channel in Play mode (with the Play LED lit), then press the Record
button. The Play button stays lit, but the Record button begins to flash, indicating that the channel is ready to drop into Trim. The fader
jumps to the -10dB position; all subsequent movement of the fader will drop it into

Record-Trim

and existing levels will be rewritten with

an offset relative to the -10dB position.
Note that because Trim mode is Relative, the new fader levels do not override the old ones - instead, the faders start the Trim pass at the
centre of their range, and any changes you make are added to the currently stored control levels without overwriting them. This means
that you can, for example, use a channel fader to boost or cut a signal while retaining adjustments which you made to that channel level
during previous passes.

Touch Record and Relative Trim

If Touch Record and Relative Trim are both selected, a fader can be dropped into Record-Trim directly from Play mode. If the Play button
is lit, touch the fader and the Record button will flash. Existing events will then be rewritten with an offset from the drop-in level as opposed
to the -10dB position in the previous example.

"Crashing" Out of Trim/Update

Instead of using the Auto-Nulling feature, you can choose to "crash" out of Update / Trim into Play mode. This means that the transition
from the newly-recorded level at the drop-out point to the old level at the next frame is abrupt. To crash into Play mode, instead of
pressing the button Play once (as you would do to null out), press it twice.
You can also crash out into Record mode, by pressing the Record button while in Trim mode. Crashing into Record mode means that
from that point onwards, changes to the fader, mute and pan settings will over-write any automation data from earlier passes, instead of
being added to it.

Scope of Record and Play Buttons

The other section of the Automation configuration window refers to which sets of controls will be included in the Automation.
Different controls can be isolated from the action of the record and play buttons by making selections in the Scope section.
If you have chosen to isolate certain types of controls and later reinstate them, the previously isolated control will be switched to match the
automation mode of its parent module. (ie the mode set by the channel or master automation record and play buttons.)
If you have changed the mode of the previously isolated control in the Automation Editor and then reinstated it into the automation scope, it
will retain its current mode and the parent module's mode will be updated to match it.

6.1.6 Safe Mode (Dynamic Automation) ......................................

Safe mode is provided so that the automation information stored in previous mix passes can be kept Safe, and cannot inadvertently be
altered by adjustments to the channel controls. Safe mode cannot be set using the Record and Play buttons, but must be selected using
the trackball or touch screen on the Automation editor screen - for more information about how to use this screen, please see section
6.2.5.
There are two different variants of Safe mode, depending on the mode the channel was in when Safe mode was selected:
If a channel is in

Play mode

, selecting Safe mode will prevent the worksurface controls from having any effect on the audio signal - all the

channel control changes are replayed as stored by the automation system in previous passes, and changes to the channel's worksurface
controls have no effect.
If a channel is in

Isolate mode

, selecting Safe mode will allow you to control the audio signal using only the worksurface controls. The

settings stored by the automation system on previous passes are neither deleted nor played. None of the adjustments you make are
stored by the automation system, and control changes stored in previous passes are retained but not played.
If you press safe on a channel which is isolated, it will effectively become safe from the global Rec and Play buttons. Because it is
permanently isolated from the dynamic automation, it will be affected by the cues. This status is saved with the session. See

Cue

Automation

for more information about combining cue and dynamic automation.

6.1.7 Offset Time ...........................................................................

Touching the

Offset

Time

button in the

Automation

menu opens the Offset Time panel which allows the whole mix to be moved forwards

or backwards in time.
Enter a time for the offset in the

Adjust time by