Respironics 920 Instruction And Service Manual page 28

920M Memory Data Format
CHECK
DATA 1 DATA 2 SUM**
$FE $FE $FC
month Day XX
year Minute XX
second Hour XX
month Day XX
year Minute XX
second Hour XX
month Day XX
year Minute XX
second Hour XX
pulse rate SpO XX
2
pulse rate SpO XX
2
pulse rate SpO XX
2
Ÿ Ÿ Ÿ
Ÿ Ÿ Ÿ
Ÿ Ÿ Ÿ
pulse rate SpO XX
2
$FE $FE $FC
month Day XX
year Minute XX
second Hour XX
month Day XX
year Minute XX
second Hour XX
month Day XX
year Minute XX
second Hour XX
pulse rate SpO XX
2
pulse rate SpO XX
2
pulse rate SpO XX
2
Ÿ Ÿ Ÿ
Ÿ Ÿ Ÿ
Ÿ Ÿ Ÿ
pulse rate SpO XX
2
$FE $FE $FC
month Day XX
year Minute XX
second Hour XX
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
NOTE: ** CHECKSUM = DATA1 + DATA2
The data represented by the shaded area is repeated for
additional data blocks that are saved in the 920M's memory.
represents the "next file" saved in the memory.
Table IV: 920M memory data format.
20
NOTE
Header of first file
Current time
Stop time of first file saved
in memory
Start time of first file saved
in memory
Data in first file
Header of second file
Start time of first file saved
in memory
N
Stop time of file saved
in memory
N
Start time of file saved
in memory
N
Data in file
N+1
Header of file
N
Start time of file saved
in memory
End of data marker
(18 zeroes)
N