|Category:||Head-Up Display [HUD]|
|Object Type:||Signal/Data Processor|
|Object Name:||A-4 HUD Electronics Unit|
|Serial No:||GQZ 0090|
|Division:||Airborne Display [ADD]|
|Year of Manufacture:||circa 1974|
|Location:||Archive Object Store|
Ser No 0088
Eldec Power Supply 1:
Power Supply, 5 Volt
Serial No 496
Part No 229-002964
Eldec Power Supply 2:
Power Supply, Low Voltage
Serial No 531
Part No 229-002963
This particular design has a small box on the side of the EU which has a Stores Management function and is called the Weapon Delivery Insert Panel (WDIP) where stores are selected by push buttons as they are loaded. The WDIP is marked: "27489 Assy, 229-002966, Ser No 0088"
The EU's two Eldec power supply modules were both made in Dec 1974 and are marked:
"Power Supply, 5 Volt, Serial No 496, Part No 229-002964" and "Power Supply, Low Voltage
Serial No 531,Part No 229-002963".
This EU has a Divisional (229) Part Number which is of a pattern used for all equipment of that date unlike the ‘coded’ Part Number used on C0325. The Serial Number is preceded by GQZ like most of the boxes in the A-4 system of this date rather than SMP used on C0325.