History Change for all model except JHU & GJU

PCB

Software

 

Introduction

Serial Number

Comments

Version

Version

 

 

 

 

 

 

 

 

 

 

A

4.40

19

September 1998

9885xxx00000

First production release.

 

 

 

 

 

 

A

4.44

22

October 1998

 

Software upgrade.

 

 

 

 

 

 

C

5.12

12

April 1999

9985xxx00053

Release of new PCB to

 

 

 

 

 

accommodate change in

 

 

 

 

 

temperature probe circuit

 

 

 

 

 

redesign.

 

 

 

 

 

C

5.13

5 May 1999

 

Software upgrade.

 

 

 

 

 

 

D

5.13

14

January 2000

2000-85xxx00028

Release of new PCB to

 

 

 

 

 

improve manufacture.

 

 

 

 

 

D

5.23

3 April 2000

2000-85xxx01661

Software upgrade for low flow

 

 

 

 

 

control stability.

 

 

 

 

 

 

D

5.33

25

July 2000

2000-85xxx02806

Software upgrade, allowing

 

 

 

 

 

Neonatal volume ventilation

 

 

 

 

 

capability. Manual

 

 

 

 

 

Temperature Compensation

 

 

 

 

 

(TC) implemented.

 

 

 

 

 

 

D

5.34

11

October 2000

2000-85xxx04212

Software upgrade to improve

 

 

 

 

 

EMI immunity.

 

 

 

 

 

 

D

5.45

19

February 2001

2001-85xxx00427

Software upgrade.

 

 

 

 

 

 

D

6.00

15

November 2001

Only released as

Software upgrade.

 

 

 

 

software upgrade kits.

Introduction of the automatic

 

 

 

 

 

and manual Humidity

 

 

 

 

 

Compensation (HC) mode.

 

 

 

 

 

Added time delay to the OFF

 

 

 

 

 

button. Enable low

 

 

 

 

 

temperature alarm in stand-by.

 

 

 

 

 

D

7.00

2 April 2002

2002-85xxx00976

Software upgrade.

 

 

 

 

 

Improve HC speed in Non-

 

 

 

 

 

invasive mode.

 

 

 

 

 

F&P Co-axial circuit

 

 

 

 

 

recognition and control.

 

 

 

 

 

 

D

7.14

22

April 2003

2003-85xxx009621

Software upgrade.

 

 

 

 

 

Auto HC increased to +5 °C.

 

 

 

 

 

Diagnostic menu changes.

 

 

 

 

 

Added Non-heater wire

 

 

 

 

 

operation.

 

 

 

 

 

 

D

7.17

31

July 2003

2003-85xxx013518

Software upgrade.

 

 

 

 

 

 

D

7.22

28

May 2004

2004-85xxx006024

PTS access through serial

 

 

 

 

 

command.

 

 

 

 

 

Humidifier model protection.

E

7.22

2 July 2004

2004-85xxx008200

Release of new PCB capable

 

 

 

 

 

of selective soldering.

 

 

 

 

 

 

62 MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal)