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Soundcraft Si Expression
Knowledge Base - Si Expression
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How do I use the power button to enter Firmware update mode?
There is a full video on youtube explaining the functions of the power button and a basic run through of the start up and power down procedure.
The link to this video is here: https://www.youtube.com/watch?v=fZw6GV3hzaQ
How do I turn the console off?
There is a procedure to this operation to help prevent accidental turn off of the console.
First, hold the power button for about 2 seconds then release.
At this time the power button should be flashing yellow. Whilst the button is flashing yellow, press the power button one more time to turn the console off.
How do I set up and interrogate mute groups?
Mute groups are a quick and easy way of remotely muting several channels at once on the console. This can be especially useful for theatre applications when instances like muting all vocal channels at once is necessary. To set these mute groups up you must first press the ‘SETUP’ key above the 4 mute group buttons and then select a group button (1-4) to setup. Once one of these numbers are selected, you can then SELect the channels you wish to assign to that mute group by pressing the SELect key above the desired channel faders. In this process, you are able to assign channels from different fader layers too. Once the desired assignments have been made you must then deselect the SETUP button and now a press of the already programmed mute group button will remotely mute the desired channels. (Note: if a channel is muted remotely it will have a red ON button). One channel can be assigned to more than one mute group.
Can I record on the Si Expression?
Yes you can. The sonic quality and the ease of use will lend itself perfectly for small project studios or even larger studios or live events. When the multi digital card (sold separately) is installed into the back of the console, it creates a 32x32 firewire or USB audio interface to connect to your chosen digital audio workstation. This makes for a great means of recording up to 32 channels of audio onto your DAW and then playing back those channels through console to be mixed in a hands on ‘analogue’ style operation. This is in the same way as large format analogue consoles are still being used in professional studios around the world.
Once you’ve created your stereo mix, you can output that to the DAW via the Multi Digital card for a 2 track ‘print to track’ style operation.
What the Si Expression isn’t, however, is a digital audio workstation controller. The Si Expression cannot be used to control parameters on your chosen DAW such as plug-ins or transport controls.
How do I mix to monitors?
Mixing to monitors is done through the faders using a concept we call tOTEM (the One Touch Easy Mixing system). The 14 buttons above the global mode encoders (labelled Mix ‘1-14’) represent the 14 monitor mixes available on the console. Selection of one of these flips the faders into the contributions for that mix bus.
For example, my track layout is as follows through faders 1-7:
Kick Snare OHL OHR Bass Guitar Vox
My drummer has a powered monitor by his position for foldback. This is connected to output 1 of the console and so is being fed from Mix 1.
If I select Mix one, the faders will glow yellow (indicating a pre fade bus, perfect for monitors). Although the positions of the faders have changed, your FOH channel layout has NOT.
You can now create a mix for your drummer using the faders, just as you did for the FOH mix.
The master level of his monitor mix is located on the Mono/Sel fader and is repeated on layer ‘C’ on main FOH mode.
To return to mixing to front of house, you need to deselect the currently active mix (mix 1 in my example)
How do I access the parametric EQ on a ‘Mix’ master bus?
Whilst the mix master is selected, the ACS (Active Channel Strip) is available for adjustments to that bus master. High pass filter (HPF), compression, parametric EQ (PEQ) and output delay are available for every mix bus, as well as a 28 band Graphic EQ.
What is Interrogate and how can it be used?
Interrogate is a way to view the overall status of a certain processor across all of the channels currently on the surface.
For example, if I wish to see what channels have a compressor engaged, I can hold down the COMPressor ‘ON’ button and the console will indicate which channels have a compressor engaged by the SELect keys lit up above the appropriate channels.
The same operation can view the status of the 48v, POLARITY, HPF, GATE, EQ and LR/MONO routing.
There is another side to interrogate which is very useful during setup.
Whilst holding down the engage key of your selected component and the appropriate SELect keys are lit up, pressing the select keys will engage/disengage the chosen parameters on the selected channels. This is useful, for example, when you have to turn the phantom power on several channels. By holding the 48v key down and SELecting the appropriate channels, you can turn multiple instances of phantom power on, this greatly streamlines the setup process.
How can I copy and paste channel settings?
To copy and paste a selected channel's settings onto another you must first adjust your channel's settings to the desired position and then select the Copy/paste key on the touchscreen.
You will now see a visual representation of the copied channel. To paste the settings onto another channel, press and hold the paste button on the screen and SELect the channels you wish to paste to. Release the Paste key on the touch screen to stop pasting. All of the copied channels have now been pasted onto the desired channels.
To deselect or ‘leave out’ certain processors on the paste function, press any of the items on the copy/paste screen to include or not include them in the paste function. To paste only one setting from a channel onto another, press and hold that function to deselect others and paste only the desired setting (EQ, Comp etc).
The implementation of Copy and Paste on the Si Expression is simple and intuitive. There are a couple of things to bear in mind when using it.
1) You can only paste like for like channels, for example, you can’t paste an EQ and compression setting from a stereo channel to a mono channel.
2) Remember that the moment you select the Copy Paste button on the screen, the selected channel has been COPIED to the clipboard. So if you pressed copy/paste then adjusted your channel settings, the new settings would not be pasted onto the subsequent channels.
How do I set up custom fader layers?
Custom fader layers are setup through the fader setup menu on the touch screen.
First press ‘fader setup’, you are then presented with a list of categories containing the different types of channels available on the console.
Ensure you have SELected the channel you wish to reassign then, scroll the menu to the desired channel type (mono, stereo, mix etc) and number (e.g CH04, STE02), then the fader will be assigned to that source or output. Press the home menu to return out of fader setup.
You can also reassign faders on layer 3 that are unassigned by default out of the box by first entering fader setup before selecting these unassigned channels.
You cannot have any more than 2 instances of the same assignment on the same layer but you can have channels assigned across all 4 layers so that you always have access to them regardless of layer. This is handy to always have key signals like lead vocal readily available without switching layers.
How do I mix FX to monitors?
You can mix any input of the console to a mix bus such as mic inputs, stereo jack inputs and of course stereo FX returns. This process couldn’t be simpler and is done through the tOTEM concept explained in the "How do I mix to monitors" FAQ.
How do I create a subgroup on the Si Expression?
Subgroups work differently on digital consoles compares with analog ones. here's how you can set up something similar on the Si Expression:
You have 14 assignable busses. They can be any combination of pre or post-fader. Pre-fader are shown by the fader as yellow, post- fader are shown as green.
Let’s say you want to create a drums sub-group:
· Remove the input channels for each drum mic from the LR send. Let's say these are on channels 1-5. Do this by selecting each channel and pressing the LR button is not lit. Let's say these are on channels 1-5.
· Press the TOTEM/sends-on-faders MIX or BUS button for the post-fader mix you want to build e.g. Mix 11 (Si Compact MIX buttons are labelled BUS). The channels will now all glow green with FaderGlow.
· Hold down the ALT button and whilst holding down press ON for each of the drum channels you want to send to the sub-group. They should all come up to infinity.
· Release ALT and press SEL on the bus master [furthest right fader] and now press LR. You are now sending a post-fader 'subgroup' bus master to the LR mix.
· Press the sends-on-faders MIX button again to release it, and return to your mix or your page of bus masters
· To make access easier, use the layer assign to put the subgroup master on layer A if you like.
How do I turn the console on?
Make sure the power switch on the rear on the console is ON (with the switch in the I position). The POWER button on the top right of the console should be flashing. Press that button once, for less than a second. The screen will boot after a short while.
NOTE: DO NOT HOLD THE BUTTON DOWN for longer than 2 seconds – this will put the console into firmware update mode.
How do I check the software version on my Si console?
Go to the main MENU screen on the touch screen, and press SYSTEM. The current software
version is shown. To go back to the main menu, press the MENU button.
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