Welch-allyn LC101 CO2 Module - User Manual Manual de usuario descargar pdf (Pagina 57)

LC101 CO

Module OEM Implementation Manual

Appendix A - Software Prodedures

Welch Allyn OEM Technologies Conﬁdential Page 57

1. Initialize breath data update rate <O00>.

2. Request ambient barometric pressure <C22>.

3. Divide ETCO

(in mmHg) value by ambient barometric pressure (in mmHg). The result is the

ETCO

value as a percentage of the barometric pressure.

Zero Calibration Sequence Example

Seq. Host Module Description

1 <Q7F0> Host sends Unprotect command.

<q7F0> Module responds to command from host.

2 <C12> Host sends

Perform Zero Calibration

command.

<S6325>

<S6X03>

<S6321>

<S6323>

Module responds with status -

Calibration in Progress

, or

if not in unprotected measurement or autorun mode, response is

Invalid

Operation

(use <Q7F0>), or

if the previous calibration is active, response is

Cal. Already in Progress

if the LC101 had been operating for < 5 min., response is

Cal. Low Run

Time

3 <C00> Host polls for completion of sampling.

<S6325>

<S6326>

<S6329>

Module responds with status –

Calibration in Progress

. Repeat this

step until a response other than <S6325> is returned.

Module responds with status –

Calibration OK

, or

if acquiring data does not meet speciﬁcations, response is

Unable to

Perform Cal., Data Error.

4 <Q7F1> Host sends Protect command.

<q7F1> Module responds to command from host.

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