This page is part of the ONYX Electrical Electronics Guide
This post explains how to configure and fine-tune the ONYX CT-22 display.
It covers:
- Setting the clock
- Switching between MPH and km/h
- Resetting the trip meter
- Understanding speed accuracy limits
- Advanced speedometer calibration
- Reference manuals and diagrams
Start with the simple overview below, then continue for advanced tuning.
Simple Overview
Most riders only need to know four things:
- ADJ button = change values
- SET button = confirm / switch modes
- Hold ADJ -> set the clock
- Hold SET -> change MPH / km/h or reset trip
Everything else in this guide is optional fine-tuning.
Display Manual & Diagram
Display Buttons
| Button | Location | Function |
|---|---|---|
| ADJ | Top left | Change values |
| SET | Bottom left | Confirm / switch modes |
Set the Clock
- In normal display mode, press and hold ADJ for 3 seconds (minutes flash)
- Tap ADJ to increase minutes (hold to fast-scroll)
- Press SET once (hours flash)
- Tap ADJ to increase hours
- Press SET again to save
Switch MPH / km/h
- In normal mode, hold SET for 10 seconds to switch units
- Repeat to switch back
Reset Trip Meter
- In normal mode, hold SET for 3 seconds
Display Speed Accuracy (Important)
The ONYX display cannot be perfectly accurate at all speeds with the stock hardware.
Key points:
- Accuracy only exists within a small speed range
- Adjusting Hertz shifts where that accurate range occurs
- You must choose whether accuracy favors low, mid, or high speed
- Factory settings aim for balanced accuracy across the full range
True real-time accuracy would require:
- Wheel encoders
- Or GPS-based measurement
In practice:
Ride based on comfort and conditions - not the last decimal on the screen.
Advanced: Speedometer Calibration
This section controls the speed sensor ratio only.
- Display password: 6610
Entering calibration mode
- Hold the power key to turn on the display
- Screen shows:
P-0000 - Tap to change digits (0-9)
- Hold to move to the next digit
Password results:
| Code | Result |
|---|---|
| 6610 | Speed ratio settings |
| 8810 | Clear cumulative data |
| 6810 | Cumulative settings |
If the password is incorrect, the display returns to P-0000.
If you change the frequency reference away from 60 km/h, the display will automatically recalculate metric parameters.
Speedometer Programming Video
Display Diagram
