Trim Pot Adjustments - Arrakis Systems X-mixer-14-14 Technical Manual

TRIM POT ADJUSTMENTS

All trim pots are located on the main motherboard which is
accessable by lifting and hinging back the VU meter housing
VU Meter Bus Level Adjustments
The Program, Audition, and Mono VU meters have trimpot
adjust for setting the console to station level. As shipped from
the factory, the VU meters are calibrated for +4dBu on the
console outputs. Some stations may us 0dBu or +8dBu for
their console outputs. These trimpots enable the setting of the
console to your specific station level. To set the trim:
(a) Apply a signal to a console input.
(b) Connect a piece of test equipment to the console output
you are adjusting.
(c) Raise the signal level (or fader) until the test equipment
reads the desired console output level.
(d) Adjust the trimpot for the corresponding output until it
reads zero on the VU meer.
(e) Repeat this procedure for all console outputs and associ-
ated VU meters.
Mic Gain Adjustments
The X-mixer console comes with two professional quality
mic amplifiers. They are labeled MIC 1 and MIC 2. Each
has a level adjust trimpot located on the main motherboard
as displayed on this page.
Analog Stereo Line Level Input Adjustment
The console is calibrated at the factory for +4dBu analog
source levels. To change channel gain for (-)10dBu consumer
sources or other levels, you must connect a PC to the serial
connector on the main motherboard and run the Setup soft-
ware on the CDROM provided with the console. With this
software, digital gain can be all inputs can be set for :
(a) +4dBu
(b) (-)10dBu
(c) incremental adjustment from (-)20 - +8dBu
Digital Source Input Level Adjustment
Digital level adjustment is accomplished with the PC setup
software provided on CDROM with the console.
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