Chapter 5: Configuring Pro Tools | Sync X 18
Idle MTC Enabled
When this option is disabled, MTC output is muted when playback is idle. When this option is enabled, MTC is continuously output
from Sync X whether or not the transport is running.
Enable Relay-Based GPOs
When this option is enabled, GPO Output triggers 0–3 are enabled for the GPIO DB-25 port on the back panel. When disabled,
there is no audible click noise from the device during playback, record, or fader start. For more information, see Wiring Diagrams
and Pin Assignments.
Current Firmware Version
This displays the firmware version for the connected synchronization peripheral.
LTC Output Level
This setting lets you specify the analog audio level of the LTC output, from –24 dBu to +9 dBu in 3 dB increments.
The available output level settings for the LTC timecode generator are based upon the following measurement conditions:
• Terminating load: 600 ohms
• Voltage levels measured in dBu, RMS
• LTC generator running at 29.97 FPS (frames per second)
Bi-Phase/Tach Wiring
This setting lets you select from the following options for Bi-Phase or Tach wiring:
• Bi-Phase: FWD = A leads B
• Bi-Phase: FWD = B leads A
• Tach:FWD = B is Low
• Tach: FWD = B is High
Bi-Phase/Tach Pulses/Frame
There are several different standards for the number of pulses-per-frame output by Bi-Phase or Tach devices. Sync X can be set to
operate from 2 to 250 pulses per frame. The setting should match the PPF rate of the external device’s Bi-Phase/Tach encoder.
Reset Bi-Phase
This button lets you set the Bi-Phase/Tach start frame from Pro Tools. Click the button to update the Timecode Display on the syn-
chronization peripheral to match the session timecode value.
Displays
This setting lets you specify the behavior of the front panel displays when the unit is powered on and idle for a certain amount of
time.
Use Screensaver
After 15 minutes of inactivity the displays are dimmed. After 30 minutes the screen saver appears. After 60 min-
utes the displays are turned off. Pressing any front panel switch returns displays to normal on state.
Always On (Not Recommended)
Displays are always on while Pro Tools is running and Sync X is enabled. Not recommended for
long periods of time as this reduces display lifespan.
Off
Displays are turned off, but can be turned on temporarily by pressing any front panel switch. Recommended when displays are
only viewed occasionally.
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