14
Catalog No.12418
Adapter
AT550 Base Plate
Mounting to Instrument Stand Arm
The AT550 can be installed on a table top or instrument stand arm. For instrument stand
arm installation, follow the instructions below:
CAUTION: Make sure the travel lock is engaged to prevent damage to internal
mechanisms.
t Carefully lay the instrument on its side.
t Attach the adapter (Catalog No. 12418) to the base plate with the three screws
provided.
CAUTION: If replacement screws are used, do not use screws longer than 1 inch or
2.5 cm, as this could cause damage to internal components.
t Insert the adapter post into the mounting hole of the stand arm.
t Turn the knob on the instrument arm until the post is stable. The instrument
should swivel freely.
t Disengage the AT550’s travel lock (see p. 8 for instructions).
t Plug the power cord into the instrument and into the stand arm outlet.
CAUTION: To prevent damage occurring to the internal mechanisms, ensure
the travel lock is disengaged before connecting instrument to power
outlet.
Low Voltage
The AT550 can operate at 12 volts AC. This feature is especially useful when the
instrument is used in Europe on a translating table instrument stand where high voltages
are not always available. Use power cord (Catalog No. 13915) to connect the AT550 to
the stand’s internal transformer.
Instructions for Use - Installation