Procom VOR/ILS Analyzer EVS200 User Manual

Page 56

Advertising
background image

VOR/ILS Analyzer EVS200

0796.1800.02

E-8

47

Chapter 3: Operation

Command AM9

command

function

AM9

<AM-modulation depth (voice)>

query AM-modulation depth (voice)

The command AM9 reads the actual AM-modulation depth (voice 300 Hz to 3 kHz) in the ILS / VOR
mode.

Prediction for reading out the data of the corresponding mode (VOR/ILS) is the
switching over to display2.

Example:

command from the controller

response of the VOR/ILS Analyzer EVS200

query:

AM9 <CR>
am9 <CR>

e.g.

09.6% <CR/LF>

e.g.

09.6% <CR/LF>

Command FA2

command

function

FA2

<Fast measuring on>

Activating the Fast measurement mode

The command FA2 switches on the fast measurement mode. The command FA2 performs the con-
tinuous measurement and output of the RF level, Bearing, AM30, AM9960, FM-deviation, FM-
Index
with transmission speed of 15 measurement value sets (RF level, Bearing, AM30, AM9960,
FM-deviation, FM-Index) per second. This conforms to a time interval of 66 ms. The stated RS-232-
transmission times
are related to 19.200 Baud.

The measurement values can be read in and output as a text file corresponding to the terminal pro-
gram.

The baud rate must be set to 19200 baud in the Setup of the VOR/ILS Analyzer EVS200.
It must be attended the acceptance of the data transfering rate by the terminal pro-
gram.
The measurement can be stopped through the command
FA0 (refer to Command FA0).

Example:

command from the controller

response of the VOR/ILS Analyzer EVS200

input:

FA2 <CR>
fa2 <CR>

With the command FA2 the echo
mode is automatically switched
OFF.

output form: (RF level <CR >, Bearing <CR >,

AM30 <CR >, AM 9960 <CR >),
FM-deviation<CR >,
FM-Index <CR >),

RF level:

three-digit with indication (dBm)

example:

-400 <CR > (-40.0dBm)

122 <CR > (12.2dBm)

Modulation depth:

three-digit (%)

example:

304 <CR > (30.4 %)
004 <CR > (0.4 %)

FM-deviation:

four-digit (Hz)

example:

4800<CR > (480,0Hz)
0004 <CR > (0.4 Hz)

FM-Index:

three-digit

example:

160<CR > (16,0)

Advertising