1. Bubuka
Thank you for choosing the TIDRADIO TD-777S Two Way Radios. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and keep it for future reference. The TD-777S is a compact and lightweight FRS radio designed for reliable communication in various environments, featuring a long-lasting battery and convenient USB charging.

Figure 1: TIDRADIO TD-777S Two Way Radios
2. Eusi Paket
Mangga cék kotak pikeun item di handap ieu:
- 2 x TD-777S Walkie Talkies
- 2 x 2200 mAh Li-ion Battery Packs
- 2 x Kabel Ngecas USB
- 2 x USB carjer
- 2 x Tali Leungeun
- 2 x Sabuk Klip
- 1 x Manual Pamaké Inggris

Gambar 2: Eusi pakét
3. Setélan
3.1 Pamasangan batré
- Pastikeun radiona pareum.
- Tangtukeun lokasi kompartemen batré dina tonggong radio.
- Align the 2200 mAh Li-ion battery pack with the compartment.
- Gently nyorong batré kana tempat nepi ka clicks aman.
3.2 Ngecas Batré
The TD-777S features a convenient USB charging method. Before initial use, fully charge the battery.
- Connect the USB charging cable to the radio's charging port.
- Connect the other end of the USB cable to the provided USB charger.
- Plug the USB charger into a standard wall outlet. Alternatively, you can use a power bank or vehicle adapter for charging outdoors.
- Indikator ngecas bakal némbongkeun status ngecas. Ngecas pinuh biasana peryogi waktos sakitar 4 jam.

Figure 3: USB Charging Method
3.3 Ngalampirkeun Asesoris
- Klip sabuk: Pasangkeun klip sabuk kana slot anu ditunjuk di tukang radio supados gampang dibawa.
- Tali leungeun: Secure the hand strap through the loop on the radio to prevent accidental drops.
4. Parentah Operasi
4.1 Daya Hurung / Pareum sareng Kontrol Volume
- Daya Hurung: Rotate the top-left knob clockwise until you hear a click. The radio will emit a voice prompt indicating it's powered on.
- Kontrol volume: Continue rotating the same knob clockwise to increase volume, and counter-clockwise to decrease it.
- Pareum listrik: Rotate the knob counter-clockwise until you hear a click and the radio powers down.
4.2 Pamilihan Saluran
The TD-777S supports 22 channels. To select a channel:
- Rotate the top-right knob to cycle through the available channels.
- The radio will provide a voice prompt announcing the selected channel number.
- Pastikeun sadaya radio dina grup anjeun disetel ka saluran anu sami pikeun komunikasi.
4.3 Nepikeun jeung Narima
- Pikeun ngirimkeun: Press and hold the Push-to-Talk (PTT) button on the side of the radio. Speak clearly into the microphone. Release the PTT button when finished speaking.
- Pikeun Nampi: The radio will automatically receive transmissions when not transmitting and on the correct channel.

Figure 4: Basic Operation Flow and Key Features
4.4 Fitur canggih
- VOX (Bursa anu Dioperasikeun ku Sora): Allows hands-free transmission when your voice is detected. Refer to the full manual for activation and sensitivity settings.
- Fungsi Monitor: Temporarily disables squelch to listen to weak signals on a channel.
- Pitunjuk sora: Provides audible feedback for channel changes, power status, and other functions.
- Sistem Squelch: The TD-777S features 0-9 grades of squelch to suppress background noise. Higher grades reduce noise but may filter out weak signals.
- Fungsi Scan: Short press the second side key to activate scan. This feature allows you to find active channels and join conversations quickly.
- Alarm Darurat: Long press the second side key to activate the emergency alarm, which emits a loud sound to alert others to your situation.
- CTCSS & DCS (Security): These codes help filter out unwanted conversations, ensuring private communication. You can select your own CTCSS/DCS codes to communicate only with radios set to the same code on the same channel.
- Fungsi Hemat Daya: Automatically conserves battery power during periods of inactivity.
5. Pangropéa
5.1 Perawatan Batré
- Always use the original TIDRADIO battery and charger.
- Ulah ngalaan batréna ka suhu ekstrim atawa sinar panonpoé langsung.
- Upami radio moal dianggo kanggo waktos anu lami, cabut batréna teras simpen di tempat anu tiis sareng garing.
- Hindarkeun ngeusi batre kaleuleuwihan atanapi ngeusi batre lengkep pikeun manjangkeun umurna.
5.2 beberesih
- Lap beungeut radio ku kaén nu lemes,amp lawon.
- Ulah nganggo bahan kimia, pangleyur, atanapi pembersih anu kasar.
- Ensure the charging port and other openings are free of dust and debris.
5.3 Panyimpenan
- Store the radio in a cool, dry environment away from direct sunlight and extreme temperatures.
- Jauhkeun radio tina medan magnét anu kuat.
6. Cara ngungkulan
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Radio teu hurung | Batré lemah atawa teu dipasang bener. | Cas batréna atanapi pasang deui kalayan leres. |
| Teu tiasa ngirimkeun atanapi nampi | Incorrect channel selected; out of range; PTT button not pressed. | Ensure radios are on the same channel; move closer to other radios; press PTT firmly. |
| Kualitas audio goréng / Statis | Out of range; interference; squelch level too high. | Move closer; avoid sources of interference; adjust squelch level. |
| Batré gancang boros | Frequent transmission; VOX sensitivity too high; battery nearing end of life. | Reduce transmission time; adjust VOX; consider replacing battery. |
7. Spésifikasi
| Fitur | Spésifikasi |
|---|---|
| Nomer modél | TD-777S |
| Daya Kaluaran | 0.5W-3W |
| Kapasitas batré | 2200mAh Li-ion |
| Waktu sayaga | Nepi ka 7 dinten |
| Waktos Gawé | Nepi ka 24 jam |
| Waktu Ngecas | Kira-kira. 4 jam |
| Saluran Panyimpenan | 22 CH |
| Rentang Frékuénsi | 462 MHz |
| Rentang maksimum | 1.5km-3km (depending on terrain) |
| Bahan | Plastic (Rugged Shell) |
| Tahan cai / Tahan cai | No |
| tampilan | No |
| Sertifikasi | CE, FCC |

Gambar 5: Kinerja Batré Leuwihview
8. Tips pamaké
- Optimasi Rentang: For best range, ensure a clear line of sight between radios. Obstacles like buildings, dense foliage, and uneven terrain can significantly reduce range.
- Kahirupan batré: To maximize battery life, utilize the power save function and avoid unnecessary long transmissions.
- Komunikasi jelas: Speak clearly and directly into the microphone, holding the radio a few inches from your mouth.
- Group Communication: Always confirm that all members of your group are on the same channel and using the same CTCSS/DCS codes (if applicable) before initiating communication.
- Persiapan Darurat: Familiarize yourself with the emergency alarm function for critical situations.
9. Jaminan & Dukungan
Kanggo inpormasi garansi atanapi dukungan téknis, mangga ngahubungi pangecér anjeun atanapi produsén langsung. Simpen resi pameseran anjeun salaku bukti pameseran.





