Window Display
A window display that overlays a portion of the cur-
rent menu display is used to (1) show the parameter
being edited; (2) display selection lists of preset fre-
quencies, power levels, markers, etc.; (3) show the
modulation and system configuration choices and
current selections; or (4) show self-test error mes-
sages. A typical window display is shown on the left.
Menu Keys
As shown in Figure 3-2, there are two types of menu
keys that surround the data display—main menu
keys and menu soft-keys. The main menu keys are
positioned to the left of the data display. The menu
soft-keys are located at the bottom and to the right
of the data display.
Main Menu Keys
Each of the main menu keys, shown on the left, se-
lects a main (top-level) menu display. These menus
let you select the operating mode, operating parame-
ters, and configuration of the instrument. A brief
functional description of each main menu follows.
CW/SWEEP SELECT—This menu lets you
select between CW, Analog, Step, and Manual
Sweep frequency modes.
FREQUENCY CONTROL—In CW frequency
mode, this menu lets you select the CW fre-
quency parameter (F0-F9 or M0-M9) to use. In
the Analog, Step, or Manual Sweep frequency
mode, this menu lets you select the sweep
range parameters (Full, F1-F2, F3-F4, F5-dF,
or F6-dF) to use. In Analog or Step Sweep fre-
quency mode, the menu also lets you select up
to 20 independent, pre-settable frequency
markers.
LEVEL/ALC SELECT—This menu lets you
select power level and ALC modes (Level,
Level Sweep, Level Offset, ALC on or off, inter-
nal or external ALC, ALC/attenuator decou-
pling, ALC slope, and user level flatness correc-
tion).
LEVEL CONTROL—In Level mode, this
menu lets you select the level parameter (L0-
L9) to use for a CW frequency or a frequency
sweep. In the Level Sweep mode, this menu
lets you select the power sweep range parame-
ters to use.
LOCAL (FRONT
DATA DISPLAY
PANEL) OPERATION
AREA
SYSTEM
MODULATION
CW/SWEEP
SELECT
FREQUENCY
CONTROL
LEVEL/ALC
SELECT
LEVEL
CONTROL
3-10
681XXB OM
