The customer is responsible for equipment and user end instruments.
2.
High-end instruments now often use positional information from satellite navigation systems.
3.
These high-end instruments are assembled in the USA from American components.
4.
The standard would be fluorescein in NaOH, typical values for a high end instrument are in the femtomolar range.
5.
The digital back-end instrument is an FPGA-based 128 million-channel digital spectrometer covering 200 MHz of bandwidth.
6.
Some luthiers use Adirondack Spruce, also known as " Red Spruce " ( Picea rubens ), in high end instruments.
7.
The magazine also notes that customers are encouraged to pick up and play any instrument, an unusual policy for a high-end instrument retailer.
8.
Some older or high-end instruments have inlays made of mother of pearl, abalone, ivory, colored wood or other exotic materials and designs.
9.
In addition to a pedal, high-end instruments have a hand-operated fine tuner, which allows the timpanist to make minute pitch adjustments.
10.
Some accordions have been modified by individuals striving to bring a more pure sound out of low-end instruments, such as the ones improved by Yutaka Usui, a Japanese-born craftsman.