Williams AV DLT 400
Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver User Manual
Model: DLT 400
Uvod
The Williams AV DLT 400 Digi-Wave 400 is a versatile digital wireless listening system transceiver designed for a wide range of applications. This device facilitates clear and reliable communication for guided tours, language interpretation, intercom systems, and hearing assistance. Its robust design and advanced features ensure high-quality audio transmission and reception over distances up to 900 feet (274 meters).
This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your DLT 400 transceiver.
Konec izdelkaview

Slika 1: Spredaj view of the Williams AV DLT 400 Transceiver. The device features an OLED display at the top, control buttons including power, microphone, menu, and navigation arrows, and the "WILLIAMSOUND" logo at the bottom.
The DLT 400 transceiver is a compact, handheld unit equipped with an OLED display for clear status indication and menu navigation. It features intuitive controls for managing audio, modes, and settings.
Ključne komponente:
- OLED zaslon: Provides visual feedback on device status, battery level, mode, and settings.
- Gumb za vklop: Uporablja se za vklop in izklop naprave.
- Gumb za mikrofon: Activates/deactivates the internal microphone or connected external microphone.
- Navigacijski gumbi (gor/dol/levo/desno): Za navigacijo po menijih in prilagajanje nastavitev.
- Gumb menija: Dostopi do menija z nastavitvami naprave.
- 3.5 mm TRRS Headphone Jack: For connecting headphones or earphones.
- 3.5 mm Microphone Jack: For connecting an external electret microphone.
- Vrata USB-C: Used for charging the internal battery and line input/output.
- Internal Microphone: Built-in microphone for convenient use.
Nastavitev
1. Polnjenje naprave:
The DLT 400 features an internal rechargeable Lithium Polymer battery. Before first use, or when the battery is low, charge the device using the included charging pack (DW ACC PAC4) or a standard USB-C charger.
- Connect the USB-C cable to the USB-C port on the DLT 400.
- Connect the other end of the cable to the charging pack or a compatible USB power adapter.
- The OLED display will indicate charging status. A full charge takes approximately 5 hours.
- A fully charged battery provides up to 16 hours of talk time.
2. Vklop/izklop:
- Za vklop: Pritisnite in držite Moč button until the OLED display illuminates.
- Za izklop: Pritisnite in držite Moč gumb, dokler se zaslon ne izklopi.
3. Priključni dodatki:
- Slušalke: Plug your 3.5 mm TRRS headphones into the headphone jack.
- Zunanji mikrofon: Plug an electret microphone into the 3.5 mm microphone jack. The device supports adjustable gain for external microphones.
Navodila za uporabo
The DLT 400 supports various operating modes to suit different communication needs.
1. Izbira načina:
Uporabite meni button and navigation arrows to select the desired operating mode:
- Guided Tours:
- Enosmerna vožnja: For a single guide transmitting to an audience.
- Dvosmerno: Allows audience participation or multiple tour guides.
- Language Interpretation: One or more interpreted languages can be transmitted to the audience (one-way).
- Interkom: Up to six individuals can speak simultaneously, with additional listeners.
- Hearing Assistance: Boosts audio for improved comprehension, ideal for individuals with hearing impairments.
2. Uporaba mikrofona:
- Pritisnite Mikrofon button to toggle the microphone (internal or external) on or off.
- Adjust microphone gain through the menu settings if using an external microphone.
3. Prilagoditev glasnosti:
Uporabite Up in Dol navigation buttons to adjust the listening volume through the connected headphones.
4. Power Save Mode:
The device features an Auto Sleep Mode that activates after 5 minutes of no RF signal from compatible devices, conserving battery life.
Vzdrževanje
1. Čiščenje:
- Napravo obrišite z mehko, suho krpo, ki ne pušča vlaken.
- Ne uporabljajte abrazivnih čistil, topil ali močnih kemikalij.
- Izogibajte se vdoru vlage v odprtine.
2. Skrb za baterijo:
- Za optimalno življenjsko dobo baterije se izogibajte pogostemu popolnemu praznjenju baterije.
- Napravo shranjujte na hladnem in suhem mestu, ko je dalj časa ne uporabljate.
- Če baterijo shranjujete dlje časa, jo redno polnite, da preprečite globoko izpraznitev.
3. Shranjevanje:
Store the DLT 400 in its original packaging or a protective case to prevent damage from dust, moisture, and physical impact.
Odpravljanje težav
If you encounter issues with your DLT 400, refer to the following common troubleshooting steps:
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Naprava se ne vklopi. | Prazna ali izpraznjena baterija. | Napravo polnite vsaj 5 uri. |
| Iz slušalk ni zvoka. | Headphones not properly connected; Volume too low; Incorrect mode selected; No active signal. | Ensure headphones are fully plugged in. Increase volume. Verify the correct operating mode is selected. Check if the transmitting device is active. |
| Mikrofon ne deluje. | Microphone muted; External microphone not connected properly; Gain too low. | Press the Microphone button to unmute. Ensure external microphone is fully plugged in. Adjust microphone gain in settings. |
| Slaba kakovost zvoka ali statični šum. | Izven dosega; Motnje; Prazna baterija. | Move closer to the transmitting device. Check for sources of 2.4 GHz interference. Recharge the battery. |
| Device enters sleep mode unexpectedly. | No RF signal detected for 5 minutes. | Ensure the transmitting device is active and within range. |
If the problem persists after trying these steps, please contact Williams AV customer support for further assistance.
Specifikacije
| Funkcija | Podrobnost |
|---|---|
| Številka modela | DLT 400 |
| Vrsta baterije | Lithium Polymer, 1800 mAH |
| Življenjska doba baterije | Do 16 ur pogovora |
| Čas polnjenja | Pribl. 5 ur |
| Delovne frekvence | 2.4 GHz (pas ISM); 2402 – 2476 MHz FHSS |
| Avdiofrekvenčni odziv | Intercom Mode: 100 – 7,200Hz; Other Modes: 100 – 11,500Hz |
| SNR | 73 dB |
| THD | 0.1 % (Default Volume, 1kHz) |
| Vhod za mikrofon | Internal microphone and 3.5 mm phone jack (electret bias, adjustable gain) |
| Vrstni vnos | USB-C, Adjustable level |
| Izhod za slušalke | 3.5 mm TRRS headphone jack; 25 mW, R 32 ohms |
| Audio Output (Line) | USB-C, Adjustable level |
| Razpon | Do 900 m (274 čevljev) |
| RF izhod | 19 dBm tipično |
| Varnost | 87 bit encryption, 87+128 bit Encryption, Encryption PIN, Lock for settings |
| Indikatorji | OLED |
| Priključki za polnjenje | USB-C |
| Delovna temperatura | 14º to 113ºF (-10º to 45ºC) |
| Dimenzije (Š x V x G) | 4.22" x 2.60" x 0.50" (10.72 cm x 6.60 cm x 1.27 cm) |
| Teža | 3.3 oz (93.5 g) |
| barva | Črna/srebrna |
Garancija in podpora
For detailed warranty information regarding your Williams AV DLT 400 transceiver, please refer to the warranty card included with your product or visit the official Williams AV webGarancijski pogoji se lahko razlikujejo glede na regijo in izdelek.
If you require technical assistance, have questions about product functionality, or need to arrange for service, please contact Williams AV customer support. Contact information can typically be found on the manufacturer's webmestu ali v embalaži izdelka.
Za najnovejše informacije in vire podpore obiščite: www.williamsav.com
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.