
OPERATION
3-1-8
THE MENUS
The NAV-750C instrument is operated by CALling up various displays or menus on the
screen. Menus are accessed via both hard and soft keys. Pressing a hard key normally causes the
appropriate primary menu to appear on the screen regardless of the current working position
within the menu hierarchy. As the display changes from one menu to another, so the 12 soft keys
assume those functions necessary to drive the instrument from that menu. Secondary menus are
displayed by pressing a soft key while in a primary menu. Some sub-menus are nested e.g.
UTILITIES. Clearance from these is obtained by pressing the
[EXIT]
or [UTIL] key.
Fig. 3-1-3 Sig Gen menu - default display
RF
Level
Carrier
Freq.
LOCAL
FM
ON/OFF
FM
Devn.
Source
Freq: F4
Low
Intermod.
Select
Source
Wideband
FM
AM
Carrier :
Freq.
RF Level :
dBm
Single Modulation Mode
Modulation ENABLED
MHz
Int Std: 10 MHz
FM
Int F4 : 1.0000 kHz
Hz
ON
1 350.000 0000
-144.0
ON
0
C1885
Φ
M