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In this appendix, the different Constants that are relevant for Module and Business System Developers will be described. Basically, they can be split into three categories:

  • Manufacturer codes

  • Module Categories

  • DataTypes

Manufacturer codes

Each HIMSA licensee is assigned a unique manufacturer code. This code is used to tell Noah:

  • if the module is from a HIMSA licensee (modules without a valid manufacturer code will not be displayed)

  • if the licensee already has a module button displayed on the Module Bar

You need to contact Himsa to get a manufacturer code - contact information can be found at Himsa webpage - www.himsa.com.

Module Categories

There are three types of modules: measurement modules, fitting modules and other modules. Upon installation, a module must tell NOAH to which category it belongs.

Constant

Value

Meaning

mcFitting

0

Fitting module

mcMeasurement

1

Measurement module

mcOther

2

Other type of module

DataTypes

When a module needs to store an action in the NOAH database, it must inform NOAH of the data type of the action to be stored. The currently defined types of data in the NOAH 3 system database are listed below.

Constant

Value

Meaning

dtcAudiogram

1

Audiograms of different types, both ears

dtcREM_L

3

Real Ear Measurements, left ear

dtcREM_R

4

Real Ear Measurements, right ear

dtcHITest_L

5

Hearing Instrument tests, left ear

dtcHITest_R

6

Hearing Instrument tests, right ear

dtcERA_L

7

Electric Response Audiometry, left ear

dtcERA_R

8

Electric Response Audiometry, right ear

dtcSOE_L

9

Spontaneous Otoacoustic Emissions, left ear

dtcSOE_R

10

Spontaneous Otoacoustic Emissions, right ear

dtcTEOE_L

11

Transient Evoked Otoacoustic Emissions, left ear

dtcTEOE_R

12

Transient Evoked Otoacoustic Emissions, right ear

dtcDPOE_L

13

Distortion Product Otoacoustic Emissions, left ear

dtcDPOE_R

14

Distortion Product Otoacoustic Emissions, right ear

dtcImpedance_L

15

Impedance measurements, left ear

dtcImpedance_R

16

Impedance measurements, right ear

dtcLoudnessScaling_L

17

Loudness Scaling, left ear

dtcLoudnessScaling_R

18

Loudness Scaling, right ear

dtcMCR_L

19

Most Comfortable Range measurement, left ear

dtcMCR_R

20

Most Comfortable Range measurement, right ear

dtcNYS_L

21

NYS, left ear

dtcNYS_R

22

NYS, right ear

dtcVideoOtoscopy_L

23

Video otoscopy, left ear

dtcVideoOtoscopy_R

24

Video otoscopy, right ear

dtcDPIOC_L

25

Distortion Product Input-Output Curve, left ear

dtcDPIOC_R

26

Distortion Product Input-Output Curve, right ear

dtcOAEProbeFitting_L

27

OAE Probe Fitting, left ear

dtcOAEProbeFitting_R

28

OAE Probe Fitting, right ear

dtcOAEScreening_L

29

OAE Screening, left ear

dtcOAEScreening_R

30

OAE Screening, right ear

dtcOtherMeasurement_L

125

Other measurements, left ear

dtcOtherMeasurement_R

126

Other measurements, right ear

dtcHISelection_L

129

Hearing Instrument Selection, left ear

dtcHISelection_R

130

Hearing Instrument Selection, right ear

dtcHIFitting_L

131

Hearing Instrument Fitting, left ear

dtcHIFitting_R

132

Hearing Instrument Fitting, right ear

dtcRCSelection

133

Remote Control Selection

dtcHIInfo

135

Other Hearing Instrument information – both ears

dtcOtherFitting_L

136

Other fitting, left ear

dtcOtherFitting_R

137

Other fitting, right ear

dtcJournalEntry

256

Journal Entry

dtcOtherInfo

257

Other Information

dtcOrderForm

258

Order Form

dtcQuestionaireInfo

259

Questionaire Information

dtcFileAttachment

260

File Attachment

dtcEarscan_L

261

Earscan , left ear

dtcEarscan_R

262

Earscan , right ear

dtcReserved

512

Values up to 512 are reserved by HIMSA

Adding new constants

There are two situations where constants can be added to the System Database:

  • When HIMSA adds a new constant: When a company becomes a HIMSA licensee, HIMSA assigns the company a Manufacturer code.

  • When a HIMSA licensee submits a proposal for adding a constant in the System Database and the proposal is accepted: A licensee may wish to add a new data type constant that supports a new type of data format.