19. Manufacturer plate.
20. Ventilator serial number.
Table 2.1: Description of a specimen serial number, e.g. EL2D0701001
EL2D
Product
code
21. Compartment for mains power pack or external battery pack.
22. Speaker.
23. Item code (e.g. PACXXXXXX).
Figure 2.6: view underneath.
16/174
07
01
Year of
Month of manufacture
manufacture
22
19
21
23
17
20
–
001
Sequential manufacture number
NOT013189-6