Rohde & Schwarz UPL Audio Analyzer w/ B4, B6, B10 options - Tested

Description

One used Rohde & Schwarz UPL Audio Analyzer in good functional and fair cosmetic condition.  This unit passes its self tests, loopback tests, and against a UPV checked to the full 110kHz input bandwidth, has a fresh RTC battery, and has undamaged external connectors.  The front panel shows some yellowing, the chassis shows some scratches consistent with usage and storage, and the rear shows scratches as pictured.  One of the rear feet is cracked around one screw and does not secure down fully, but the screw on the opposite side holds the panels in place reasonably.  The screen is as pictured and is usable in practice, but is somewhat dim and a bit irregularly lit, it takes the duration of the boot (maybe 30 seconds) to fully brighten, but has been plenty visible in tested lighting conditions.  As a sticker on the back and the readout of the options say, this unit has the UPL-B5 hardware option installed, but I've been unable to operate it in the firmware and it does not chirp on boot, so I am selling the unit as without the UPL-B5 option since it does not appear to be functional.  This UPL features:
Two analyzer channels from 10Hz-21.75kHz/20Hz-110kHz with wide input range and termination options
Two generator channels from 2Hz to 21.75kHz from 100uV to 20V in range
Comprehensive measurement and analysis displays including swept measurements, FFT analysis, multitone tests, wow and flutter measurement, THD+N, and more
DOS based computer environment for additional programmability and automation
Installed options include:
UPL-B4 - Remote control
UPL-B6 - Extended analysis options
UPL-B10 - Universal sequence controller
The two tests pictured in the last two images are measuring the linearity of the generators and analyzers in loopback with external cables, then a gain and phase plot of a variable external filter using only one channel.
Only the UPL itself is included in the listing, not any of the other pictured equipment.
Ships via FedEx ground fully insured in the US or the Global Shipping Program abroad.  Other electronic parts, test equipment, and test equipment parts are available in my store and shipping will be automatically discounted for multiple items bought together.  Feel free to ask any questions.