Getting Started
1-2
370B User Manual
Two extended acquisition modes: Averaging and Envelope. Averaging
reduces display noise in high sensitivity ranges. Envelope mode displays the
maximum and minimum vertical or horizontal excursion of each curve,
which is useful for detecting long–term variations such as thermal drift.
Nearly all front panel functions can be controlled via GPIB. (Controls
intended for manual operation, such as INTENSITY, FOCUS, GRAT
ILLUM etc, are the only exception.) Also, curve data can be sent, or
received, from an external controller through the GPIB
Other features include an auxiliary voltage supply, cursor measurement
readout, and diagnostic routines.
This instrument was thoroughly inspected for mechanical and electrical defects
before shipment. It should be free of marks or scratches and meet or exceed all
electrical specifications. To confirm this, inspect the instrument for physical
damage incurred in transit and test the electrical performance by following the
First Time Operation instructions on page 3–3. For a complete verification of
instrument performance refer a qualified service technician to the Performance
Check section of the Service Manual. If a discrepancy is found, contact your
local Tektronix Field Office or representative.
This instrument operates from a power source having a neutral or near ground
(earth) potential. It is not intended for operation from two phases of a multi–
phase system, nor across legs of a single phase, three wire system. This
instrument can be operated from either a 115 volt or 230 volt nominal supply
source, 48 to 63 Hz. Table 1–1 is a listing of the line voltage ranges, line
frequency range, and power consumption.
Table 1-1: Line voltage ranges
RANGE switch NOMINAL switch
Power consumption
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Installation
Initial Inspection
Power source information
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General