Ÿ POWER CORD CONNECTOR—This is a standard grounded
connector for the mains power supply cord.
Ÿ FUSE HOLDER/MAINS SUPPLY VOLTAGE JUMPER—Contains
the mains power fuse and the mains supply voltage configuration
jumper card. See Chapter 2.
Ÿ MAINS SUPPLY VOLTAGE INDICATOR—The white tip of the
plastic indicator on the voltage configuration jumper card appears
in one of four small holes to show the mains voltage selection.
§
FUSE REPLACEMENT INFORMATION—This chart lists the fuse
values required for correct operation at the four supply voltage
options.
§
SERIAL NUMBER/OPTIONS LABEL—The Audio Precision serial
number for this ATS-2 chassis, and the hardware options (if any)
included in the chassis.
§
MONITOR JACK—This is a 3.5 mm jack suitable for driving stereo
headphones or other audio monitors.
§
RESERVED FOR GPIB PANEL—This blank panel can be removed
for factory installation of the GPIB configuration option, adding
GPIB (IEEE-488.2 General Purpose Interface Bus) functionality to
ATS-2. If your ATS-2 is configured for GPIB, see Chapter 7.
§
SYNC/REF IN—This connector provides an input for an external
digital audio signal, a square wave, or an NTSC/PAL video signal for
sample rate synchronization (“house sync”).
§
AUDIO MONITORS—The “source” connectors monitor the signal
currently being analyzed. The “function” connectors monitor the
function meter in the audio analyzer. These signals can also be
monitored on the internal speaker.
§
TRIG IN—This connector provides an input to trigger or initiate
certain measurement functions.
§
TRIG OUT—This connector provides an output for triggering an
external oscilloscope or other equipment.
§
APIB INTERFACE—This connector provides the two-way Audio
Precision Interface Bus connection between ATS-2 and the personal
computer running the ATS software.
§
AUXILIARY CONTROL OUT—A 9-pin DSUB connector to enable
ATS-2 to control other instruments.
§
AUXILIARY CONTROL IN—A 9-pin DSUB connector for external
control and display input.
§
GROUND CONNECTOR—This is connected to chassis ground.
ATS-2 Rear Panel Chapter 3: Hardware Overview
Getting Started with ATS-2 19
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