Table of Contents
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Theory of Operation
1.5.1
Keypad Control
Circuitry for scanning the keypad for key presses. The board scans a 3x8 matrix of keys.
In the case of simultaneous key presses, a key is recognized by the software. The other key
will not be recognized, until the initial key is released.
Accutorr Plus Service Manual
0070-10-0691
LED and Tone Module
1 - 17
- Quick Links:
- Calibration
- Service Diagnostics
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Table of Contents
Troubleshooting
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