Walfront EM90 Handheld Land Area Meter User Manual

1. Úvod

The Walfront EM90 is a handheld GPS-based land area and length measurement instrument designed for various outdoor applications. This manual provides detailed instructions on how to set up, operate, and maintain your device to ensure accurate and reliable performance.

2. Konec produktuview

2.1 Součásti balení

• EM90 Handheld Land Area Meter
• USB kabel
• Napájecí adaptér
• Portable Rope (Lanyard)
• Návod k použití

Figure 2.1: EM90 device and included accessories.

2.2 Device Layout and Key Functions

The EM90 features a clear LCD display and a user-friendly button interface for easy operation.

Obrázek 2.2: Přední strana view of the EM90 with key labels.

Figure 2.3: Description of EM90 function keys.

The back of the device clearly displays the model number.

Obrázek 2.4: Zpět view of the EM90.

3. Nastavení

3.1 Nabíjení zařízení

Before first use, fully charge the EM90. Connect the provided USB cable to the device and the power adapter, then plug the adapter into a standard 100-240V AC outlet. The charging indicator on the device will show its status. A full charge ensures optimal operation time.

3.2 Počáteční zapnutí

To power on the device, dlouhý stisk the Power Key (⏻). The device will boot up and attempt to acquire a GPS signal. Ensure you are in an open area with a clear view oblohy pro nejlepší příjem signálu.

4. Návod k obsluze

4.1 Zapnutí/vypnutí a podsvícení

• Zapnutí/vypnutí: Long press the Power Key (⏻).
• Podsvícení: Short press the Power Key (⏻) to toggle the backlight on or off, or adjust its intensity in settings.

4.2 Měření plochy

Press the Area Measurement Key (M²) to enter the area measurement mode. There are three primary methods:

1. Auto Track Measurement: Walk the perimeter of the area you wish to measure. The device will automatically record your path and calculate the enclosed area.
2. Collected Points Measurement: Manually mark specific points (vertices) of the area. The device will connect these points to form a polygon and calculate its area.
3. Quadrilateral Measurement: For rectangular or square areas, you may define specific corners.

Obrázek 4.1: Přample of length and width measurement.

Obrázek 4.2: Přample of manual fixed-point measurement.

Figure 4.3: Various measurement applications including automatic area and slope.

4.3 Měření délky

Press the Length Measurement Key (∽) to enter the length measurement mode. Similar to area measurement, you can use:

• Auto Track Measurement: Walk along the path or line you want to measure.
• Collected Points Measurement: Mark start and end points, or multiple points along a path, to calculate the total length.

4.4 Měření vzdálenosti

The device can also measure the distance between two or more points. This is useful for straight-line distances or cumulative distances along a path.

Obrázek 4.4: Přamples of distance measurement.

NIKDY Nastavení

Press the Settings Key (⚙) to access device settings. Here you can adjust:

• Area Unit: Change between square meters, acres, etc.
• Jednotka délky: Change between meters, kilometers, feet, miles, etc.
• Podsvícení LCD: Adjust brightness or set auto-off time.
• Time UTC: Set time zone offset.

Use the Up (▲) and Down (▼) keys to navigate and the OK key to confirm selections.

4.6 Záznam ViewIng

Press the Record Key (📚) to view previously saved measurement data. You can scroll through records and review details of past measurements.

5. Údržba

• Čištění: Zařízení otřete měkkým, suchým hadříkem. Nepoužívejte agresivní chemikálie ani abrazivní čisticí prostředky.
• Skladování: Pokud zařízení nepoužíváte, skladujte ho na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
• Péče o baterie: Pro optimální výdrž baterie se vyvarujte častého úplného vybíjení zařízení. Pravidelně jej nabíjejte, i když jej nepoužíváte neustále.

6. Řešení problémů

If you encounter issues with your EM90, please refer to the following common problems and solutions:

• Zařízení se nezapne:
  • Ensure the device is fully charged. Connect it to the power adapter and allow it to charge for at least 2 hours.
  • Confirm the power adapter and USB cable are functioning correctly.
• Inaccurate measurements or poor GPS signal:
  • Ensure you are in an open outdoor area with a clear, unobstructed view of the sky. Buildings, dense foliage, and adverse weather conditions can interfere with GPS signal reception.
  • Allow sufficient time for the device to acquire a stable GPS signal before starting measurements.
  • Movement during signal acquisition can affect accuracy. Remain stationary until a strong signal is indicated.
• Displej je tmavý nebo nereaguje:
  • Check the backlight settings in the device menu.
  • Ujistěte se, že je baterie dostatečně nabitá.

If problems persist, please contact Walfront customer support for further assistance.

7. Specifikace

8. Záruka a podpora

This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact Walfront customer support. For technical assistance or service inquiries, please visit the official Walfront webnebo kontaktujte jejich oddělení zákaznických služeb.