GratisAI accessibility · tally refreshable braille display cell window pan movements · local-first FREE TIER 1 Free Run Available
braille-panning gauge · meter band gauge

Tally Refreshable Braille Display Cell Window Pan Movements

Blind and deafblind users navigate digital operating systems and web applications using refreshable Braille displays with fixed hardware cell widths, where lengthy notification strings require multiple physical pan button presses to read. Enter your interface prompt strings, character lengths, word-wrap allowances, and hardware cell widths to tally required physical pan movements.

1 · message prompt string | character string length in cells | word wrap overflow allowance in cells

FIRST-LOAD

HYPOTHESIS / PROTOTYPE — checkout unavailable. Calculation is local. A draft is saved automatically in this browser profile when storage is available; Reset to sample clears it. Optional Pro history stores only five summaries and has its own deletion control. State links encode your inputs and can remain in browser history, clipboard or recipients’ records; share only non-sensitive rows. Optional external AI formatting leaves this device. The required site analytics beacon reports page activity; shared URLs contain encoded inputs. Do not treat an encoded URL as private. The calculator has no input-collection endpoint.

Data note: The braille-panning gauge processes message prompt string | character string length in cells | word wrap overflow allowance in cells locally. Starter/sample selection and Run compute in this tab; no input is sent by the calculator. A local draft may be saved; explicit state-link sharing or optional external AI formatting can disclose inputs. Use non-sensitive labels.

Perspective: Before: reading digital text on refreshable Braille displays involved unexpected line breaks. After: character string lengths and hardware cell widths tally the exact physical pan movements required.

2 · Read the braille-panning gauge

Tactile reading ergonomics arithmetic only, not accessibility certification or assistive device warranty. Braille translation contractions, user reading speeds, and screen reader driver settings vary across hardware models. Follow accessible design guidelines.

Optional filing controls are a local prototype.

Checkout is unavailable. The reading above is complete; print, CSV and five local summaries are optional enhancements, not hidden answers.

Before using the braille-panning gauge

Refreshable Braille displays translate digital text into tactile Braille characters using rows of electromechanical pins. Portable and desktop Braille displays are manufactured in fixed physical widths, most commonly 14 cells for compact mobile note-takers, 20 cells for pocket devices, and 40 cells for standard desktop terminals. When digital interface text exceeds the physical display cell width, the user must press hardware pan buttons (advance rocker switches) to slide the reading window forward. Excessive line fragmentation and mid-word splits slow tactile reading speeds significantly. Enter your application strings and target display width to tally total physical pan actions and optimize interface phrasing for efficient tactile reading.

Boundary and sources

Tactile reading ergonomics arithmetic only, not accessibility certification or assistive device warranty. Braille translation contractions, user reading speeds, and screen reader driver settings vary across hardware models. Follow accessible design guidelines.

Mechanism: competence-autonomy-loop

Optional AI formatting, never the calculation

Manual entry completes this braille-panning gauge for free without signup. If available to you, the free AI Studio interface linked in the sources may format fictional or non-sensitive notes; external access may require an account. No API key or AI call is built into this tool. Free-tier content may be used to improve products. Review each cell and transcribe it to the labeled row schema; do not paste the JSON object into the row box.

Format only these fictional or non-sensitive notes for a braille-panning gauge. Return strict JSON shaped as {"rows": [{"label": "string", "cells": ["string", "string"]}], "setting": "string"}. The columns are message prompt string | character string length in cells | word wrap overflow allowance in cells; the setting is Hardware refreshable Braille display width in cells. Keep all supplied strings and quantities exactly; do not calculate, infer missing entries, invent dates or add advice. If any required value is missing, return an empty rows array and ask me for it separately. I will verify every cell against my source and manually transcribe rows using vertical bars before running the local calculator.

An AI response is not executed, fetched or trusted as a result. Missing values remain questions; the strict local parser checks the rows you actually enter.