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General| Brand | Welch Allyn |
|---|---|
| Model | Grason-Stadler GSI 17 Series |
| Category | Measuring Instruments |
| Language | English |
Critical safety warning for operating the GSI 17.
A condensed guide for performing essential calibration steps.
Explains the CAL/NORMAL switch and calibration mode DIP switches.
Details on tone type selection and routing for SPL calibration.
Detailed explanation of DIP switches S4 and S3 and their functions.
How to use the Custom RTL Selection Mode, including controls.
Procedure for selecting diagnostic tests using DIP switches.
Detailed description and test initialization for the Hardware Diagnostic Test.
Test description and initialization for the Pushbutton Diagnostic Test.
Test description and initialization for the Display Diagnostic Test.
Test description and initialization for the A/D Converter Diagnostic Test.
Test description and initialization for Attenuator Maximum Output Level Calibration.
Step-by-step instructions for disassembling the GSI 17.
Guide on using the hardware diagnostic mode for troubleshooting.
Explanation of controls and their functions within the diagnostic mode.
Symptoms and fault isolation approaches for output-related issues.
Troubleshooting symptoms and procedures for left and right amplifiers.
Hints for troubleshooting attenuator non-linearity, output issues, and shifts.
Guidance on troubleshooting the oscillator circuit, including oscilloscope usage.
Information on troubleshooting processor-related issues like lock-ups.
Troubleshooting steps for power supply problems and display issues.
Explains diagnostic error messages and their format.
Details on specific error codes and their causes/solutions.
Details on specific error codes and their causes/solutions.
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