User's Manual

Table Of Contents
©1999 Navia Aviation AS 21464-5 Operation of RMM
USER MANUALNORMARC 7050
MARKER BEACON
10-27
Or like this for user maintenance parameters:
Figure 10-21 The Monitor Edit window
The N
AME field is a user selectable name consisting of up to 10 characters. The SCALE field is
the factor the analogue input (range +/-10V) converted to a digital value (+2047 to -2048) will
be multiplied against. To convert to plain voltage level, the factor 10/-2048 = -0.004883 will do.
The G
ENERATE WARNING checkbox determines if the parameter shall generated maintenance
warning if the value exceeds the lower/upper warning limits.
When you have finished typing in the new values, press the A
PPLY button. The new limit val-
ues will now be transferred to the marker beacon station for update.
See also the section for saving and loading limits and delays to/from file.
10.5.9.1 Description of maintenance parameters
The maintenance parameters are located on various boards. The boards and the parameters
belonging to the specific board are listed here:
TX1373A-1
PaCurrent This is the current that is drawn from V20P in the RF Power Amplifier.
Pa_V20p This is the measured voltage for the +20V input.
RFLevDetect This is the analog RF-level value from the on-board detector on the transmit
ter.
RFLevelDac This is the DC-voltage controlling the carrier power.
CarrierPower This is the calculated carrier power output based on RFLevDetect.
ModDepth This is the calculated modulation depth from the on-board detector.
VDD This is the measured value for the +5V input power.
V12P This is the measured value for the +12V input power.
V12N This is the measured value for the -12V input power.
Lf1KeyGate This is the signal controlling the keying (modulation on/off) for the transmit
ter. The signal will be toggling between '0' and '1' when keying is ON, '0' when
keying if OFF and '1' when keying is CONT (continuous).