Chapter 2 27
Front and Rear Panel Features
Front Panel Overview
CAUTION When operating in dc coupled mode on analyzers with Option UKB, ensure
protection of the input mixer by limiting the input level to 0 Vdc, +30 dBm.
When operating in ac coupled mode, ensure protection of the input mixer by
limiting the input level to 50 Vdc, +30 dBm.
20 The Next Window key can be used to select the active window in functions which
support split-screen display modes, such as Zone markers. (Refer to “Zone” in the
User’s guide for more information.) In such modes, pressing
Zoom switches
between the split-screen and full-sized display of the active window.
21 Help. Press the Help key and then any front panel or menu key to get a short
description of the key function and the associated SCPI command. The next key
you press will remove the help window from the display.
22 RF OUT 50 for Option 1DN or RF OUT 75 (for Option 1DQ) is the source
output for the built-in tracking generator. Option 1DN or 1DQ only.
CAUTION If the tracking generator output power is too high, it may damage the device under
test. Do not exceed the maximum power that the device under test can tolerate.
23 The (On) key turns the analyzer on, while the Standby key turns most of the
analyzer off. An analyzer alignment is performed (if
Auto Align is on) every time
the analyzer is turned on. After turning on the analyzer, allow 5 minutes of warm-up
time to ensure the analyzer will meet all specifications.
NOTE The analyzer continues to draw power even if the line power switch is in standby.
The main power cord can be used as the system disconnecting device. It
disconnects the mains circuits from the mains supply. The front-panel switch is
only a standby switch and is not a LINE switch (disconnecting device).
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