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How do I switch a bowler from fingertip to conventional mid-session? 9.2.4   FAQ   Switching a bowler from fingertip to conventional grip — or the reverse — during an active fitting session requires a small but deliberate set of steps in Spectre Cloud. The ...

The bridge is not autofilling — what's wrong? 9.2.5   FAQ   The bridge — the distance between the edges of the two finger holes — is a value Spectre Cloud can calculate automatically from the finger hole sizes and span measurements already on the spec sheet...

How do I document a bowler who is a two-hander (no thumb)? 9.2.6   FAQ   Two-handed bowlers and no-thumb releases present a fitting workflow that differs from the conventional single-hand approach in a few specific ways. Spectre Cloud accommodates these bow...

Can I export or print all spec sheets for a bowler? 9.2.7   FAQ   Spectre Cloud stores a bowler's complete drilling history digitally — every spec sheet ever created for that bowler is accessible from their profile at any time. There are situations where yo...

Pitch suggestion chart (flexibility vs. forward pitch) 9.3.1   reference   This reference chart maps the relationship between a bowler's hand flexibility and the appropriate forward pitch range for the finger holes. Forward pitch is one of the most impactfu...

CLT chart (lateral tilt angle vs. lateral pitch) 9.3.2   reference   The CLT chart — Compensating Lateral Tilt — maps the relationship between a bowler's lateral axis tilt angle and the appropriate lateral pitch value for the finger holes. Where forward pit...

5/16 rule ring finger span distance chart 9.3.3   reference   The 5/16 rule is a widely used pro shop guideline for determining the ring finger span relative to the middle finger span. Because most bowlers' ring fingers are shorter than their middle fingers...

Insert OD chart — standard insert sizes by brand 9.3.4   reference   Finger inserts add a consistent, replaceable grip surface inside drilled finger holes and are used by the majority of fingertip bowlers. Each insert brand and model has a defined outer dia...

Oval cut chart for manual (NONE mode) calculations 9.3.5   reference   When Spectre Cloud's Oval Cut Direction is set to NONE, the app does not generate directional oval cut suggestions — the fitter determines the oval cut value manually and enters it direc...

Glossary of all terms and abbreviations used in Spectre Cloud 9.3.6   reference   This glossary defines every term, abbreviation, and acronym used throughout Spectre Cloud and this wiki. Entries are organised alphabetically. Where a term has a dedicated wik...

Accessing in-app tutorial videos ("Need Help? Watch our tutorial videos") 9.4.1   support   Spectre Cloud includes a built-in library of tutorial videos accessible directly from within the app — short, focused walkthroughs of specific features and workflows...

Contacting Spectre Cloud support 9.4.2   support   When this wiki and the in-app tutorial videos do not resolve an issue, the Spectre Cloud support team is the next step. This page covers how to reach support, what information to have ready before contactin...

Community resources and pro shop training shelf 9.4.3   support   Spectre Cloud is one part of a broader ecosystem of resources available to pro shop operators — industry organisations, training programmes, peer communities, and reference materials that sup...

📐 Acronyms Used in Spectre Cloud Beyond the three primary span type acronyms, Spectre Cloud uses a number of additional shorthand terms throughout its interface. The following reference covers the most commonly encountered. Acronym Full Name Where Us...

4.1.2   concept The span type setting on a Spectre Cloud spec sheet defines the measurement convention used to record the distance between the finger holes and the thumb hole. Choosing the right span type — and understanding what each one measures — ensures s...

4.1.3   concept A bowler's grip type defines how deeply their fingers are inserted into the ball — and it is one of the most consequential decisions in a pro shop fitting. Grip type determines the standard span, pitch, bridge, and insert values that apply to ...

4.1.4   concept Pitch is the angle at which a finger or thumb hole is drilled relative to the ball's center. It affects grip comfort, how securely the ball is held through the swing, and how cleanly it releases. In Spectre Cloud, you set pitch for each hole u...

4.1.5   concept The bridge is the distance between the near edges of the middle and ring finger holes on a drilled ball — the strip of material, or land area, that holds the two finger holes apart. It's one of the smallest measurements on a spec sheet, but it...

4.1.6   concept When drilling finger holes for bowlers who use inserts, the drill bit must match the insert's Outside Diameter (OD) — the outer dimension that sets the hole size. Spectre Cloud sizes these holes for you through Autofill Insert OD (2.6.6). This...

1. Access Bowler Profiles Click "Bowlers" to open the list of bowler profiles in Spectre Proshop . 2. Select Bowler Select the bowler to view the specific bowler's profile details. 3. Open Spec Sheets Addition Click "Add Spec Sheets" to begin adding...