Chapter 13 563
Softkey Descriptions
Softkey Descriptions
BINARY SPAN Binary Span
DESCRIPTION Note that this function is available for 8590L and
8591E spectrum analyzers and 8591C cable TV
analyzers only.
Displays the output of the Span DAC on the A7 analog
interface assembly. A ramp is displayed from the
upper-left corner to the lower right corner of the
display.
The instrument span must be set manually before
enabling
BINARY SPAN.
The slope of the ramp increases within each of the
following span ranges.
• 0 Hz to 170 kHz
• >170 kHz to 1.7 MHz
• >1.7 MHz to 10 MHz
• >10 MHz to 170 MHz
• >170 MHz to 1.8 GHz
Refer to Chapter 6 for further troubleshooting
information.
R
ELATED SOFTKEYS MAIN SPAN, FM SPAN
CAL Calibration Key
DESCRIPTION CAL provides access to the softkeys for the
self-calibration, service-diagnostics, and
service-calibration functions. A passcode is required for
access to specific softkeys.
R
ELATED SOFTKEYS
Refer to Figure 13-1 and Figure 13-2 at the beginning of
this chapter for the softkeys that are available after
pressing
CAL.
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