# Connect SMPTE (LTC)

Source: https://help.malighting.com/grandMA2/en/help/key_fs_connect_smpte_ltc.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

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To synchronize the console with an SMPTE timecode source, connect an SMPTE source to the console.

**Information:**\
The supported time formats are:\
\- 24 fps (frames per second)\
\- 25 fps\
\- 30 fps\
If you send 29.97 or 30 drop frame, it will be interpreted as 30 fps.

**Information:**\
The signal strength should be a minimum of 200 millivolts.\
Pin 1: Ground\
Pin 2: - (minus)\
Pin 3: + (plus)

-  Connect the SMPTE source to the LTC IN connector on the rear panel.

The SMPTE source is connected to the LTC IN connector.

![](/img/grandma2/img_grandma2_ltcin_connector_3_2-d310f2.png)

_grandMA2 full-size LTC IN connector_