A programmable side key can be evaluated as an entry point to a field task, but its assignment and the NFC action must both be confirmed. The current R4-T listing identifies NFC plus a programmable smart key, SOS key and Fn key; it does not document every possible mapping or app integration.
Define one supported action
Ask the supplier which keys are configurable, how assignments are managed and what the installed app supports. A useful acceptance task might be opening an approved inspection app before reading an authorized asset tag, if that mapping is supported.
- Check the assignment while the phone is locked and unlocked.
- Confirm that the correct user account and record are active.
- Try an authorized tag and inspect the saved result.
- Evaluate accidental presses and recovery after app or phone restart.
Preserve the intended controls
Keep emergency-key behavior and consequential actions subject to the organization's approved procedure. Do not assume a configurable shortcut authorizes an equipment command or replaces required safeguards.
Record the deployment setup
Use the R4-T control specification and NFC workflow guide to prepare the trial. Retain the accepted mapping, app version and tag type. This article does not report a completed key-mapping or NFC integration test.
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