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Chapter 2 23
Front and Rear Panel Features
Front Panel Overview
7 System Keys Access features used with all analyzer modes and affect the state of the entire spectrum
analyzer.
8
Vol. Control/
Earphones
Not currently implemented. To be implemented in future firmware upgrade.
9
PROBE PWR Supplies power for external high frequency probes and accessories (see page 83).
10
Marker Keys Enable markers to obtain specific information about the displayed measurement.
11
EXT TRIGGE
R
INPUT
Enables you to externally trigger measurements.
12
POWER
ON/OFF
Turns the analyzer on. A green light indicates power on. A yellow light indicates standby
mode.
NOTE The front-panel switch is a standby switch, not a LINE switch
(disconnecting device); the analyzer continues to draw power even when
the line switch is in standby. Use the detachable power cord to
disconnect the analyzer from the mains supply.
13
Help Key Not currently implemented. To be implemented in future firmware upgrade.
14
Window Key
s
Next Window: On displays with multiple windows, changes the highlighted window that is
currently active.
Zoom: Zooms in on the highlighted window.
15
Navigation
Keys
Not currently implemented. To be implemented in future firmware upgrade.
16
Return Key Exits the current menu and returns to the previous menu.
17
Data Control
s
Change the numeric value of an active function. Entries appear in the active function
area of the display. Also see “Entering Data” on page 49.
18
Floppy
Disk Drive
Accepts a 3.5 inch 1.44 MB floppy disk.
19
RF Input Input for an external signal. Make sure that the total power of all signals at the analyzer
input does not exceed +30 dBm (1 watt). The E4446A and E4448A input connector is
2.4 mm.
20
IF Input, 1st
LO Output
Allows connections for external mixing (Option AYZ)
Item
Description
# Name