Genelec GLM 4 Manuel utilisateur
1 REGISTER YOUR PRODUCT
Please register your Genelec products at www.community.genelec.com and
learn more about warranty. By joining the Genelec Community, you’ll be able to
use all GLM Cloud features, ask questions, share experiences and participate in
discussions with Genelec users globally. More information about service and
technical support is available at www.genelec.com/customer-service.
2 PACKAGE CONTENT
3 GETTING STARTED
To take full advantage of your Smart Active Monitoring (SAM) system it is
important to become familiar with all the components in the system. More
detailed information can be found from the GLM 4, monitor and subwoofer
operation manuals.
To set up a monitoring system you will need monitors and subwoofers, audio
signal cables, GLM control network cables, GLM network adapter, GLM
measurement microphone, and computer with GLM 4 software.
To set up a Genelec SAM system,
•Check dip controls of the SAM subwoofers and monitors. Stored -
switch need to be turned ON if storing the settings to the SAM
subwoofers and monitors for the standalone use.
•Place SAM subwoofers and monitors in the monitoring room
•Run audio cables to the SAM subwoofers and monitors
•Run GLM network cables from the GLM adapter to all SAM subwoofers
and monitors
•Download and install the GLM computer software
•Create a system setup in the GLM software
Placing SAM monitors and subwoofers in the monitoring room
Try to place monitors and subwoofers in optimum locations in relation to surfaces
reflecting audio. Aim each SAM monitor towards the listening position. This
becomes your System Layout. More info about the correct monitor placement
available at https://www.genelec.com/monitor-placement
1. Select listening position so that distances from side walls (B) are equal.
2. Place monitors so that distances to the listening position are equal, and
distances to the monitors are equal from side walls (A).
3. Place a subwoofer at the front wall and a slightly left or right from the
room centre axis.
4. Aim monitors towards the listening position.
Figure 1. Place monitors symmetrically relative to the walls. Point the acoustical
axes towards the listening position.
Analog Stereo with a Subwoofer Example
Before cabling, turn off the power in all monitors and subwoofers.
•Connect (Left) audio cable from the source to the subwoofer connector
ANALOG IN 1.
•Connect a cable from subwoofer ANALOG OUT 1 to left monitor
ANALOG IN.
•Connect (Right) audio cable from audio source to subwoofer ANALOG IN
2.
•Connect (Right) audio cable from Subwoofer ANALOG OUT 2 to right
monitor ANALOG IN
Figure 2. Analog stereo cabling with a subwoofer
Cabling of the Control Network
The GLM control network cabling is very easy. Connect the GLM adapter to the
computer USB port using the supplied USB cable. Connect the GLM adapter to
all SAM monitors and subwoofers in daisy-chain fashion (Figure 3) using the
network cables supplied with each monitor and subwoofer. You can connect in
any order. Just be sure to connect all monitors and subwoofers.
Table 1. Connections on the GLM adapter (from left to right)
Connector
Use
USB (type B)
Connects the GLM adapter to a computer USB interface or
USB power supply (stand-alone volume control)
Volume (3.5 mm jack)
Connection for Genelec volume controller
Microphone (3.5 mm jack)
Connection for Genelec calibration microphone
GLM Net (RJ45)
GLM control network connection
Terminator (RJ45)
Return termination for the GLM control network from the
last monitor, in case of network cabling being greater than
100 meters.
Figure 3. Connections of GLM control network, measurement microphone, and
computer
Downloading and Installing GLM Software
The GLM software calibrates and controls Genelec SAM systems. The software
can be downloaded at www.genelec.com/glm.
You must have sufficient rights to install the software in your computer. Install the
software following the instruction given by the software during the installation
process. We recommend you install the software on the local hard drive. There is
no need to make any special destination folders, GLM creates these
automatically.
Figure 4. GLM software download
Creating a System Layout and Calibrating a System
Before launching the GLM software after installation, stop or mute the audio
source, ensure that all monitors and subwoofers are connected to the GLM
network and are powered on.
The steps to create a GLM System Setup with a system layout and calibration
are
1. Create a SAM monitoring system layout
2. Define SAM monitoring group preset
3. Run GLM AutoCal automatic calibration
4. Run GLM AutoPhase automatic phase calibration for subwoofers
(AutoPhase is only available when a subwoofer is included in a group)
5. Run GLM WooferCal automatic calibration for woofer system (WooferCal
is only available when an adaptive woofer system is included in a group)
For additional groups, repeat steps 2 - 5.
Creating a SAM Monitor Layout
To create a layout all monitors, subwoofers and woofer systems must be
powered and GLM network connections be made.
A layout defines your monitors and their locations in the room. An example in
Figure 5 shows a stereo system with a subwoofer.
A new system layout is created when the GLM user interface starts the first time.
You can always create a new layout by selecting the ‘File | New’ menu item.
When the creation of a new layout starts, initially all monitors, subwoofers and
woofer systems are stacked on the left side of the page.
1. The layout style selection –shows example positions for each system
(example positions can be skipped e.g. subwoofer can be placed
between Left and Right monitors).
2. The devices –The unplaced device cell on the right and the Not Used
device cell on the left. Start drag the device icon from the unplaced device
cell and the device will play the ID tone. Place the device icon to the
Layout grid (3) to the position that match its placement in your monitoring
system layout.
3. The Not Used device cell. This will be used e.g. with the SE System
where unused channels need to be told to GLM.
4. The layout grid –The monitoring system layout style with the Stereo with
subwoofer system. The center cell is the listening position (will be placed
with VOC monitor in Auro3D system). The top cells of the grid are the
front monitors and The bottom cells are the rear monitors.
5. The monitor already placed to the layout grid.
6. The layout confirmation button –Click to proceed after the layout matches
the actual monitoring system layout.
7. The setup process indicator –AutoPhase will be skipped if there is no any
subwoofers in use and WooferCal will be skipped if there is no any
Woofer systems in use.
Figure 5. Drag and drop the monitor icons onto the layout grid to build a system
layout.
Creating a Group Preset
A group preset is a set of monitors and subwoofers that reproduce audio
together. A group preset contains input and acoustic settings to optimize all
monitors and subwoofers active within the group. More group presets can be
created to full fill any need e.g. calibrate system to the another listening position.
To define a monitoring group:
1. Give the group a name that describes it (e.g. Analog Stereo)
2. Optionally you can set the System delay. It will be applied to all monitors
in the group.
3. Select the used bass management crossover frequency. This setting can
be a global when all monitors will follow the crossover selection from the
1
2
4
5
7
6
3
crossover selection below. If the setting is an individual, then crossover
selections will be done individually for each monitors via a settings popup
4. Settings popup will popup when the monitor icon is clicked.
5. Name the monitor.
6. Make a monitor active or inactive within the group.
7. Select an input to be used (mixing the analog and digital inputs within the
group is not recommended)
8. Light icon indicates inactive within the group state (inactive monitors will
be hidden in other pages).
9. Normal icon indicates active within the group state.
10. Confirm the group settings by clicking on the ‘Confirm Group’ button.
•click on each monitor and subwoofer, making active or inactive within the
group by double clicking. Monitors with a green halo are part of the group,
monitors with yellow halo are not part of the group
•Individual monitor settings can be edited/checked on the left hand side (3)
(for more information, see the GLM Advanced Settings);
•confirm the group settings by clicking on the ‘Confirm Group’ button (4)
For more detailed information on using and setting up Groups, see the section
‘GLM Advanced Use’.
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2
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