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TREK/wiki/Display-Settings.md
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jubnl 59c2624fa9 docs(wiki): explain the three currencies and how they relate
Trip currency, expense currency and display currency answer three different
questions, and nothing said so: the trip currency wasn't documented at all (it
had no picker until now), and Budget-Tracking conflated the other two while
still claiming 47 currencies and a display currency that always came from
Settings.

Add a Currencies page as the one place they're defined together — the trip
currency as the accounting base, the expense currency as the receipt with its
rate frozen at entry, the display currency as presentation-only — plus what
happens when a trip's currency changes, which currency a public share renders
in, and what belongs to the Costs addon versus the trip itself.

Rewrite Budget-Tracking's currency section against it, document the currency
field in Creating-a-Trip and the display currency in Display-Settings (which
never mentioned it), and note the sharer-or-trip fallback in Public-Share-Links.
2026-07-13 22:33:34 +02:00

2.6 KiB

Display Settings

The Display tab (Settings → Display) controls the visual appearance and locale preferences of the app. All changes save immediately to your account and persist across devices.

Display Settings

Color mode

Choose between three options:

Option Behaviour
Light Always uses the light theme
Dark Always uses the dark theme
Auto Follows your operating system / browser preference

Currency

Your display currency — the currency you want to read amounts in on the Costs tab (totals, the category chart, balances, settle-up). It is presentation only: it never changes what is stored, and two members of the same trip can read it in different currencies and both see correct balances.

Option Behaviour
Trip currency (default) Each trip is shown in its own currency — a Tokyo trip in yen, a Moscow trip in roubles.
A specific currency (e.g. USD) Every trip is converted into that currency for you, whatever its own currency is.

165 currencies are available. Conversion uses live rates, so a converted total can shift slightly from day to day while the trip's actual balances stay fixed.

This is not the trip's currency, which is set on the trip itself and is the base its balances are calculated in. The distinction matters — see Currencies.

An administrator can set the instance-wide default for new users in Admin → Default User Settings. Choosing Trip currency yourself overrides it.

Language

Select your preferred language from the button grid (desktop) or dropdown (mobile). The change takes effect immediately without a page reload. See Languages for the full list of supported languages.

Temperature unit

Affects the weather widget on trip days.

Option Display
°C Celsius Metric
°F Fahrenheit Imperial

Time format

Affects all time displays throughout the app.

Option Example
24h 14:30
12h 2:30 PM

Route calculation

Toggles automatic route calculation between places on the trip map. Set to On or Off.

Booking route labels

Shows or hides labels on booking-related route segments on the map. Set to On or Off.

Blur booking codes

When enabled, confirmation codes and reference numbers are blurred until you hover or tap. Set to On or Off.

See also