Thales 421 - To 38

LLZ 421
Operation Operation and Maintenance
ILS 420
3−12 Ed. 01.10SOAC
3.4.6.2 Principle Operation of the Menu
Figures 3−6 to 3−28 show the examples of the selectable windows. The examples show windows
of a 2F system.
In the Status window
the following button definitions are used:
S1 MENU to go to Menu List window (see Fig. 3−15)
S2 MONITOR to go to Monitor Quick Access windows (see Figs. 3−7 to 3−10)
S3 ALERTS to get information about pre−alarms or alarms (see Fig. 3−12)
S4 CONTROL to go to Control window (see Fig. 3−13)
control buttons (S)
ILS 420 LLZ ’LLZ−420T’ 110.10MHz
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
TX 1: ON TX 2: ON
STANDBY MAIN
LOAD AERIAL
WAVEFORM 1 WAVEFORM 1
146 hrs. 145 hrs.
Monitor: −−1−− −−2−−
Executive: NORMAL NORMAL
Farfield: NORMAL NORMAL
Standby: NORMAL NORMAL
Maintenance Alert RWY: ON
MENU MONITOR ALERTS CONTROL
1
4
2
3
** CONTROL function only available**
if key switch position ’LOCAL’ or ’MAINTENANCE’
system status
flashing text if enabled
indicates
a maintenance alert
(e.g. battery, mains, intrusion)
runway status (on or off)
*
* Monitor name depending on
configuration of ’Field Monitoring’
Fig. 3−6 Status window after start of application (example, main state NORMAL)
The following Monitor Quick Access windows
provide Monitor data on 4 different windows:
− In the Monitor Exec. DDM
window the following button definitions are used:
S1 MENU to go to Menu List window (see Fig. 3−15)
S2 STBY-DDM to change to Monitor Standby DDM window (see Fig. 3−9)
S3 EXE-SDM to change to Monitor Exec. SDM window (see Fig. 3−8)
S4 STATUS to return to the Status window
control buttons (S)
1
4
2
3
ILS 420 LLZ ’LLZ−420T’ 110.10MHz
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
TX 1: ON TX 2: ON
STANDBY MAIN
LOAD AERIAL
WAVEFORM 1 WAVEFORM 1
146 hrs. 145 hrs.
Monitor: −−1−− −−2−−
Executive: NORMAL NORMAL
Farfield: NORMAL NORMAL
Standby: NORMAL NORMAL
Maintenance Alert RWY: ON
MENU MONITOR ALERTS CONTROL
* depends on configuration
1
4
2
3
AERIAL: TX2 / ON AERIAL−DDM
1 MONITOR 2
BYPASSED BYPASSED
CRS POSITION
DDM % 0.0 0.0
CRS WIDTH
DDM % 15.4 15.4
CLR WIDTH
DDM % 23.9 23.7
NEARFIELD
DDM % Z Z
FARFIELD
DDM % Z Z
MENU STBY−DDM EXE−SDM STATUS
*
*
*
Fig. 3−7 MONITOR select and Monitor Exec. DDM window (example)