Description of C4Timekeeper Stopwatch for timekeeper This app is a stopwatch for timekeeper of Oldtimer Rallye This app replaces the expensive stopwatch of Oldtimer Rally organizer. This app can be used by the timekeeper for the secret time control. On the external Bluetooth button (can be me ordered ) a photocell can be connected. A printer is not necessary, because you can send the times by e-mail to the organizers. Thus, need for evaluations, the organizers do not wait until the timerkeeper to come back. Synchronization of the clock: 1. Manually, using as a reference the time of the organizers. 2. The atomic time, using one of the many global or regional server. 3. GPS, using the satellite time. Functions: You can use for the Stop, the green software button "Start" or the Volume keys DOWN or UP (+ -). For the Stop can also be used with an external button. This button is available in tJungleeRummy wo versions, as USB and Bluetooth. Further information at: https://filippo-software.de Important! A photocell can at the input for the button to be connected (the contact is open). Limitations of the Free version: * A maximum. 5 times to stop. Supported languages: German, Italian, English Version history C4Timekeeper New in C4Timekeeper 4.37 * Adjustments for devices with Android 14+.* Optimization and bug fixesNew in C4Timekeeper 4.35 * Adjustments for devices with Android 13+* Optimization and bug fixesNew in C4Timekeeper 4.30 * Some graphical improvements have been implemented in the dialogs.* General bug fixesNew in C4Timekeeper 4.00 A new start table has been introduced.In this table the stopped time can be assigned directly to the user.After stopping, the app immediately calculates the target/actual time and saves it in the table.The table is saved as a CSV file, as usual, and can be further edited with any PC.New in C4Timekeeper 3.36 Fixed a bug with the Bluetooth connection.New in C4Timekeeper 3.32 * Adjustments for devices with Android 10* General optimization and bug fixesNew in C4Timekeeper 3.31 * The entry/change of participant numbers can be done as numbers or as numbers and letters. The selection can be changed via the settings.* Bug fixesNew in C4Timekeeper 3.29.1 Fixed a bug in the Bluetooth connection.New in C4Timekeeper 3.27 * Support for "H015 - Bluetooth & Radio-Receiver-Device (Android & iOS)" added. * The combination of radio receiver and radio transmitter can be used to create a test environment for Oldtimer Rallye; interesting not only for private classic car drivers but also for Oldtimer Rally organizer. The radio range between the radio receiver and the radio transmitter is approximately 100 meters. * Bug fixesNew in C4Timekeeper 3.26 * Further optimizations in GPS and atomic time synchronization.* Optimization and bug fixesNew in C4Timekeeper 3.25 * New method for manual time synchronization. * Atomic time synchronization optimized * Bluetooth connection optimized with bluetooth devices * Adjustments for devices with Android 9+New in C4Timekeeper 3.22 In the start table, the entries can be entered with minutes or half minute intervals.New in C4Timekeeper 3.20 * App-Icon changed * Optimization and bug fixesNew in C4Timekeeper 3.12 Bug fixesNew in C4Timekeeper 3.11 Improvements and bug fixes.New in C4Timekeeper 3.10 * The new USB device, with inputs for a trigger and a sensor kit, can now be used. * Bug fixes and performance improvements.New in C4Timekeeper 3.00 * Graphics and menu changed.* In the Lite version also no advertising is longer displayed.* Improvements and bug fixes. New in C4Timekeeper 2.00 * Improvements and bug fixes.* App-Icon changed. New in C4Timekeeper 1.09 Minor improvements in the Start-table. Please rate this app