Thales DVOR 432, Technical Manual

Page: 214 / 234

Menu/
INSTRUCTION
C: Commands
A: Activities Submenu
DVOR 432
Alignment Procedure Operation and Maintenance
Annex Nextfield
AN-24
Ed. 01.04
4.6.2 Setting of TX2 with Monitor 1
a) Switch on TX2.
C Switch TX2 On
b) Switch over to TX2
C Set TX2 Aerial
Set TX2 in the same way as described for TX1 in 4.6.1. Continue to use
A/TS TX settings
monitor 1 for monitor indications. Therefore omit 4.6.1.2 b) (do not
change the AGC value of monitor 1 again), but checkthat the RF level
indication is 100 ± 5 %. Use activity maskA/TS 'TX Settings'.
4.6.3 Setting and Check of Monitor2
4.6.3.1 Monitor 2 with TX1 on Aerial
NOTE: TX1 radiating.
Switch on TX1.
C Switch TX1 On
Switch over to TX1
C Set TX1 Aerial
a) RF level
Set 'M2 AGC Adjustment' value to 'M2 RF Level' indication of 100 %.
A/MC M2 AGC Adjustment
--,- %
If necessary, change 'M2 Digital.Ctrl.Attenuation'.
-- dB
b) 30 Hz AM mod. depth
A/MC M2āMod.Depth
Checkthe 'M2 Mod. Depth 30 Hz AM' reading.
ā30Hz AM
NOTE: Use window 'MON2 Measurement. Nominal value: 30.0 ±1.0 %
c) Subcarrier
A/MC Mon 2 Measurement
ca) Checkthe 'M2 Mod. Depth 9960 Hz AM' reading.
NOTE: Use window 'MON2 Measurement. Nominal value: 30.0 ± 1.0 %
cb) Checkthe 'M2 Mod. Index 30 Hz FM' reading.
NOTE: Use window 'MON2 Measurement. Nominal value: 16.0 ± 0.5 %
d) Azimuth
A/MC Mon 2 Measurement
Checkthe 'M2 Azimuth' reading.
NOTE: Use window 'MON2 Measurement. Nominal value: same as in
4.6.1.6b), ± 0.2
4.6.3.2 Monitor 2 with TX2 on Aerial
NOTE: TX2 radiating.
Switch over to TX2
C Set TX2 Aerial
Checkfollowing monitor 2 indications:
a) RF level.
A/MC M2 RF-Level
NOTE: Nominal value: 100 ±5 %
.
b) 30 Hz AM mod. depth.
A/MC M2 Mod. Depth 30Hz
AM
NOTE: Nominal value: 30.0 ± 1.0 %.