OnAir 2000M2 Digital Mixing Console
2-2 General SW V 4.0 Date printed: 12.11.03
Earthing: This equipment must be earthed, due to the mains input filter network be-
ing connected to the mains earth.
Some consideration should be given to the earthing arrangement of the
system; the console must be in its center, i.e. in the system's star point.
The console chassis is earthed to the mains earth via the power supply.
Ground loops may occur where signal processing equipment, patched to
the console, has its signal earth commoned to the equipment chassis.
2.2.3 Adjustments, Repair
Danger: All internal adjustments as well as repair work on this product must be
performed by trained technicians!
Replacing the Supply Unit: The primary fuse is located inside the power supply module and cannot be
changed. In case of failure, the complete supply unit must be replaced.
Please ask your nearest Studer representative.
2.2.4 PC-Card
The OnAir 2000M2 mixing console is equipped with a PC-Card socket.
Using the industry-standard SRAM PC-Cards, the user can save important
console information on a card. This information can then be used to restore
the console to the same state at a later moment. Since the information
stored on the card is DOS compatible, it is easily transferred to an IBM-
compatible PC for data storage and backup.
Note: Although it is possible to format an SRAM card in a PC, the card must be
re-formatted in the OnAir 2000; therefore, the write protect tab must be set
to OFF when the card is used in the mixing console for the first time.
It is also possible for new software releases to be downloaded from an
SRAM PC-Card. This feature is only available for users in possession of
the correct files. For more information on this subject, refer to chapter 13.
The mixing console PC-Card support is restricted to 5 V, Type 1, SRAM
memory cards with a capacity of 64 kbytes to 32 Mbytes. Hot-swapping is
supported, too.
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