LOCAL OPERATION FREQUENCY–MENU MAPS MODULATION MODE
SYSTEM
CW/SWEEP
SELECT
FREQUENCY
CONTROL
LEVEL/ALC
SELECT
LEVEL
CONTROL
MODULATION
FM On
✱
/Off
600 or 50
Input Impedance
Edit FM Sensitivity
Front Panel Input or
Rear Panel Input
SYSTEM
CW/SWEEP
SELECT
FREQUENCY
CONTROL
LEVEL/ALC
SELECT
LEVEL
CONTROL
MODULATION
✱
Display Showing FM Selected On
Select Locked FM Mode
Selects Unlocked / Narrow
FM Mode
Selects Unlocked / Wide
FM Mode

Figure 4-12. Frequency Modulation Mode

Menu Map
NOTE
Refer to Chapter 3, paragraph 3-12

for FM Mode operating instructions.

4-16 681XXC OM