DOC AIRBUS | AMM A320FCFDIU TIME/DATE Initialization
TASK 31-32-00-750-001-A
CFDIU TIME/DATE Initialization
You must do this procedure after loss of clock data to the CFDIU and after a CFDIU power cut off more than 200ms
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 31-32-00-861-075-A Subtask 31-32-00-865-078-A
Subtask 31-32-00-750-050-A
[Rev.10 from 2021]
2026.04.01 00:34:05 UTC
CFDIU TIME/DATE Initialization
ZONE: 210
1. Reason for the JobYou must do this procedure after loss of clock data to the CFDIU and after a CFDIU power cut off more than 200ms
2. Job Set-up Information
A. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
Subtask 31-32-00-861-075-A Subtask 31-32-00-865-078-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/MCDU/1 | 11CA1 | B01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/MCDU/1 | 11CA1 | H07 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | CFDS/CFDIU/SPLY | 2TW | J18 |
| 121VU | CFDS/CFDIU/BACK/UP | 8TW | J17 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | CFDS/CFDIU/SPLY | 2TW | J41 |
| 121VU | CFDS/CFDIU/BACK/UP | 8TW | J40 |
Subtask 31-32-00-750-050-A
A. Set the GMT/DATE
NOTE: The actions and the results of this procedure occur on the MCDU used.
| ACTION | RESULT |
|---|---|
| 1.Adjust the brightness of the MCDU screen: | The MCDU is on. |
| 2.Push the MCDU MENU mode key. | The MCDU MENU page comes into view. |
| 3.Push the line key adjacent to the CFDS indication. | The CFDS menu page comes into view. |
| 4.Push the NEXT PAGE function key. | |
| 5.Push the line key adjacent to the GMT/DATE INIT indication. | The GMT/DATE INIT page comes into view. |
| 6.Type the hours and minutes with the alphanumeric keys. | The hours and minutes are shown in the MCDU scratchpad. |
| 7.Push the line key adjacent to the INIT GMT indication. | After data consistency check, the GMT is shown below the INIT GMT indication. |
| 8.Type the month and day with the alphanumeric keys. | The month and day are shown in the MCDU scratchpad. |
| 9.Push the line key adjacent to the MONTH/DAY indication. | After data consistency check, the month/day are shown below the MONTH/DAY indication. |