Vor Audio Control Mode (Vora) Field Definition; Localizer Mode Field Definition - Aeroflex NAV 2000R Operation Manual

3.5.6 VOR AUDIO CONTROL MODE (VORa) FIELD DEFINITION

The VOR audio control mode, VORa, is entered by pressing and releasing the SEL key while the AUDIO
control mode field, on VOR page 1, is selected. This mode allows the user to specify the NAV 2000R
audio output signal level using volts RMS. No RF level control is allowed while within this mode of
operation.
COMPOSITE AUDIO CONTROL:
AUDIO LEVEL
This field allows the audio signal level to be changed. The value entered represents Vrms of the VOR
composite signal with both 30 Hz and 9960 Hz signals selected on.
BEARING
The desired omni bearing is programmed from 0 to 359.99 degrees in 0.01 degree steps. The default
bearing is 0 degrees.
TO/FROM
Specifies whether the bearing reference is TO or FROM. This field is a discrete toggle type field and the
default reference is set to 'FROM'.
30 Hz MOD
Specifies whether the 30 Hz signal is to be modulated. The field toggles between ON and OFF whenever
the SEL key is pressed while the field is selected.
9960 Hz MOD
Specifies whether the 9960 Hz signal is to be modulated. The field toggles between ON and OFF
whenever the SEL key is pressed while the field is selected.

3.5.7 LOCALIZER MODE FIELD DEFINITION

Localizer test mode is entered by pressing and releasing the LOC mode select button. This mode is used
to test and align the Localizer portion of ILS equipment.
PAGE 1:
RF LEVEL
This field allows the RF level to be programmed. The RF level may be programmed with 1/10th dBm
resolution using either dBm or uV/mV units. DBm numbers are entered using the ENT key. Microvolts
and millivolt numbers may be entered using the uV and mV keys (STO/RCL) respectively. The default
displayed units (normally dBm) may be changed by pressing the SEL key and then pressing either the
uV, mV, or dBm keys.
NAV 2000R SIGNAL GENERATOR - REV. 0 – JULY 26, 2007 - PG 3-10
Aeroflex Operation Manual