1. Introduktion og overview
The eSSL KartString Biometric Time Attendance Machine is designed to provide efficient and secure time management and access control for organizations. This device utilizes fingerprint recognition technology to accurately record employee attendance, ensuring only authorized individuals are tracked. It features a clear display, a user-friendly keypad, and robust data storage capabilities, making it an essential tool for modern workforce management.
This manual provides detailed instructions for the setup, operation, and maintenance of your eSSL KartString Biometric Time Attendance Machine.

Figur 1: Front view of the eSSL KartString Biometric Time Attendance Machine, showing the display, keypad, and fingerprint sensor.
2. Produktfunktioner
- Fingeraftryksgenkendelse: Secure and accurate biometric identification for attendance.
- High Transaction Storage: Capable of storing up to 100,000 attendance records.
- Color TFT Display: A 2.8-inch color display for clear user interface and information display.
- Multiple Communication Methods: Supports TCP/IP for network connectivity and USB-host for data transfer.
- Integrated Keypad: Soft buttons for password entry and menu navigation.
- Kompakt design: Measures approximately 183 x 45 x 138 mm, suitable for various installation environments.
- Cloud-Based Software: Includes 6 months of cloud-based attendance management software by KartString for enhanced data management and reporting.
3. Opsætningsvejledning
Follow these steps to set up your eSSL KartString Biometric Time Attendance Machine:
- Udpakning: Carefully remove the device from its packaging and ensure all components are present.
- Montering (valgfrit): Choose a suitable location for installation, typically near an entrance or exit. Secure the device to a wall using appropriate mounting hardware (not included, consult a professional if unsure).
- Strømtilslutning: Tilslut den medfølgende strømadapter til enhedens strømindgang, og sæt den derefter i en almindelig stikkontakt. Enheden tænder automatisk.
- Netværksforbindelse (TCP/IP): For network-based data management, connect an Ethernet cable from your network router or switch to the device's LAN port.
- Indledende konfiguration: Upon first power-on, the device may prompt for initial setup, such as date, time, and administrator registration. Follow the on-screen instructions.
4. Betjeningsvejledning
4.1 Administrator Registration
Before employees can use the system, an administrator must be registered to manage settings and user data.
- Tryk på M/OK knappen for at få adgang til hovedmenuen.
- Naviger til Brugerstyring or Tilmeld bruger ved hjælp af piletasterne.
- Vælge Register Admin eller lignende mulighed.
- Follow the on-screen prompts to scan the administrator's fingerprint multiple times for accurate registration.
- Assign administrator privileges as required.
4.2 Employee Fingerprint Enrollment
Each employee needs to register their fingerprint(s) to use the attendance system.
- Access the main menu as an administrator.
- Naviger til Brugerstyring or Tilmeld bruger.
- Vælge Ny bruger or Tilmeld fingeraftryk.
- Enter the employee ID (if prompted) and then instruct the employee to place their finger on the sensor.
- The device will prompt the employee to lift and place their finger several times for a complete scan.
- Confirm successful enrollment.
4.3 Registrering af fremmøde
Employees can record their attendance by simply placing their registered finger on the sensor.
- Sørg for, at enheden er tændt og i standbytilstand.
- The employee places their registered finger firmly on the fingerprint sensor.
- Upon successful recognition, the device will display a confirmation message (e.g., "Thank You" or "Punch In/Out Successful") and an audible prompt.
4.4 Datastyring
Attendance data can be retrieved via TCP/IP network or USB-host.
- Via TCP/IP: Connect the device to your network. Use the provided cloud-based attendance management software or compatible third-party software to connect to the device and download attendance logs. Refer to the software's documentation for specific instructions.
- Via USB-Host: Insert a USB flash drive into the device's USB-host port. Navigate to Data Management or Download data in the menu. Select the desired data (e.g., attendance logs, user data) and initiate the transfer to the USB drive.
5. Vedligeholdelse
Regelmæssig vedligeholdelse sikrer optimal ydeevne og levetid for din enhed.
- Rengøring af sensoren: Gently wipe the fingerprint sensor with a soft, dry, lint-free cloth. Avoid using abrasive materials or liquid cleaners directly on the sensor.
- Rengøring af enheden: Brug en blød, let damp cloth to clean the exterior of the device. Do not allow water or cleaning solutions to enter the device.
- Data backup: Regularly back up attendance data to an external storage device (USB) or through the network software to prevent data loss.
- Softwareopdateringer: Check the eSSL website or contact support for any available firmware or software updates to ensure your device operates with the latest features and security enhancements.
6. Fejlfinding
Dette afsnit omhandler almindelige problemer, du kan støde på.
- Enheden tænder ikke:
- Sørg for, at strømadapteren er korrekt tilsluttet både enheden og en fungerende stikkontakt.
- Kontroller, at stikkontakten fungerer ved at tilslutte en anden enhed.
- Fingeraftryk ikke genkendt:
- Sørg for, at fingeren er ren og tør.
- Place the entire pad of the registered finger firmly on the sensor.
- Try re-enrolling the fingerprint if recognition issues persist.
- Clean the fingerprint sensor as described in the Maintenance section.
- Cannot Connect to Network (TCP/IP):
- Verify the Ethernet cable is properly connected to both the device and the network router/switch.
- Check network settings on the device to ensure correct IP address, subnet mask, and gateway.
- Ensure your network router is functioning correctly.
- USB Data Transfer Failure:
- Ensure the USB flash drive is properly inserted and formatted to a compatible file system (f.eks. FAT32).
- Prøv et andet USB-flashdrev.
- Verify there is sufficient space on the USB drive.
Hvis du støder på problemer, der ikke er dækket her, henvises der til supportafsnittet.
7. Specifikationer
| Model | KartString Biomax K 21 |
| Mærke | eSSL |
| Fingeraftrykssensor | Optisk sensor |
| Transaktionskapacitet | 100,000 Optegnelser |
| Vise | 2.8 Inch Color TFT |
| Meddelelse | TCP/IP, USB-host |
| Dimensioner (L x B x H) | 183 x 45 x 138 mm (ca.) |
| Varens vægt | 650 g |
| Farve | Sort |
8. Garanti og support
The eSSL KartString Biometric Time Attendance Machine comes with standard manufacturer warranty. Please refer to your purchase documentation for specific warranty terms and conditions.
For technical assistance, troubleshooting, or inquiries regarding the included 6-month cloud-based attendance management software by KartString, please contact eSSL customer support or your authorized dealer. Contact information can typically be found on the eSSL official webwebstedet eller på din produktemballage.
When contacting support, please have your product model (KartString Biomax K 21) and any relevant purchase details ready.





