Technical data

Aeroflex Operation Manual
NAV 2000R SIGNAL GENERATOR - REV. 0 – JULY 26, 2007 - PG 3-23
SET EXT. MOD. RELAY (On/Off)
This option enables the external modulation input to be switched on or off. "ON" allows audio applied to
the external modulation input to be summed with internally generated audio. The percent modulation,
selected during the mode of operation in use, is referenced to internally generated audio only. External
audio will add additional depth to the modulation. "ON" will be identified by a flashing "EM" on the
status line.
CALIBRATION MODE
The calibration mode places the NAV 2000R into a mode that guides the test/calibration user through the
calibration and alignment steps of the NAV 2000R. The calibration mode is covered in detail in Section
3.5.16.
DISPLAY SYSTEM STATUS
This option displays the power on self-test results and the current operational status of the NAV 2000R.
It can be used to ensure proper operation of the NAV 2000R.
SYSTEM STATUS
___________________________________________________________
|
GENERAL | CPU
MODE: VOR | VERSION: 1.00
|
OPERATION: LOCAL | ROM UV BOOT: OK
| DYNAMIC: OK
GPIB ADDRESS: 20 |
| RAM STATIC: OK
MODULATE: INTERNAL | BATTERY: OK
|__________________________
ON TIME: 3.3 HRS |
| DSP
CYCLES: 15 |
| VERSION: 1.01
| BUS RESPONSE?: YES
| PROGRAM BOOT?: YES
| SINE ROM OK?: YES
________________________________|__________________________
|
RF SOURCE | MODULATOR
|
VERSION: 1.00 | BUS RESPONSE?: YES
BUS RESPONSE?: YES | AUDIO LEVEL: OK
RF LEVEL: OK | DETECT AUDIO: OK
RF FREQUENCY: OK | RF LEVEL: OK
________________________________|_____________________________
*** PRESS ENT KEY TO CONTINUE ***
The above is a typical STATUS screen. A brief description of the screen follows.