Prints & Logs

DTCO Printouts & Event Logs

The DTCO tachograph app generates realistic print files and logs overspeed events, infringements and DVSA roadside inspections.

Driver 1 Print

DTCO PRINT - DRIVER 1
TIME: 14:52  12.03.2026

DRIVER: STEVEN
COMPANY: GRIME LOGISTICS
VEH REG: AB12 CDE

DRIVE: 03:48
BREAK: 00:30
SHIFT: 05:12

EU BREAK: ENABLED
BLOCK DRIVE: 03:48
BREAK DUE: 00:42

Vehicle Print

DTCO PRINT - VEHICLE
TIME: 14:52

COMPANY: GRIME LOGISTICS
VEH REG: AB12 CDE

SPEED NOW: 82 KM/H
TRIP: 245.7 KM

Events Print

DTCO PRINT - EVENTS

14:02  OVERSPEED  97>94  UK
13:48  INFR  BREAK_MISSED
12:15  OVERSPEED  101>94  UK

DVSA Mode

Roadside Inspection Preview

DVSA ROADSIDE INSPECTION REPORT
TIME: 15:04

VERDICT: WARN
OVERALL SCORE: 6/10
INFRINGEMENT SCORE: 4/10
DRIVING BEHAVIOUR: 7/10

TODAY'S EVENTS:
OVERSPEED 97>94
BREAK MISSED 4H30

Where files are saved

On-disk paths (Windows)

Prints, events and the debug log live under your user profile — the same folders the tachograph app uses when you click print or submit a ticket.

Printouts folder

%LOCALAPPDATA%\vdo_tach_overlay\prints\

Driver / vehicle / events style outputs.

Events JSON

%LOCALAPPDATA%\vdo_tach_overlay\vdo_events.json

Feeds DVSA mode and inspections.

Debug log (support)

%LOCALAPPDATA%\vdo_tach_overlay\vdo_tach_overlay.log

Attach this file when opening a Discord ticket.

Screenshots

On-screen tachograph

Real screenshots from the DTCO tachograph UI.

Main screen

Timers page

Events page