1. Pendahuluan dan Selesaiview
The Dynascan P-72 is an advanced dual-band mobile amateur radio transceiver designed for reliable communication across VHF and UHF frequencies. Its compact size and robust feature set make it ideal for various amateur radio applications. This manual provides comprehensive instructions for the proper setup, operation, and maintenance of your Dynascan P-72.
Fitur Utama:
- Full Duplex Capability
- Simultaneous Reception of VHF and UHF Frequencies (144-146 MHz / 430-440 MHz)
- 20W Transmission Power
- 255 Saluran Memori
- Side Jack for Microphone-Headset or Speaker-Microphone
- Selectable Frequency Steps: 5, 6.25, 10, 12.5, 25, 50, and 100 kHz
- Fungsi Kunci Keypad
- Integrated DTMF Keypad
- TOT (Time-Out Timer) Function
- Fungsi VOX
- Built-in Scanner
- Supports 53 CTCSS Tones and 108 DCS Tones
- Backlit LCD Display with Function Indicator
- Commercial FM Radio Function
- Ukuran Ultra-kompak
2. Isi Paket
Please check the box carefully to ensure all items are present and in good condition:
- Dynascan P-72 Transceiver Unit
- Handheld Speaker Microphone with Keypad
- Kabel Daya DC
- Pemasangan Braket dan Perangkat Keras

Gambar 2.1: Dynascan P-72 package contents, including the main transceiver unit, handheld speaker microphone, mounting bracket, and power cable.
3. Pengaturan
Follow these steps to set up your Dynascan P-72 for initial operation.
3.1 Menghubungkan Mikrofon
Connect the coiled cable of the handheld speaker microphone to the dedicated jack on the side of the transceiver unit. Ensure the connector is fully inserted to establish a secure connection.
3.2 Sambungan Daya
Connect the supplied DC power cable to the power input on the rear of the transceiver. Connect the other end of the power cable to a stable 13.8 VDC power source capable of supplying sufficient current (e.g., a regulated power supply or vehicle battery). Observe correct polarity (red for positive, black for negative).
3.3 Koneksi Antena
Connect a suitable 50 Ohm dual-band antenna (VHF/UHF) to the antenna connector on the rear of the transceiver. Ensure the connection is tight and secure. Never transmit without an antenna connected, as this can damage the transceiver.

Gambar 3.1: The Dynascan P-72 transceiver with its handheld speaker microphone connected, showing the main display.
4. Petunjuk Pengoperasian
This section details the basic operation of your Dynascan P-72.
4.1 Daya Hidup/Mati
Untuk menghidupkan perangkat, tekan dan tahan tombol KEKUATAN button (usually located on the front panel or microphone). To power off, press and hold the same button again.
4.2 Penyesuaian Volume dan Squelch
- Volume: Putar JILID knob (or use volume controls on the microphone) to adjust the audio output level.
- Memadamkan: Putar Bahasa Indonesia: SQL knob to set the squelch level. Adjust it until background noise disappears, but weak signals can still be heard.
4.3 Frequency Selection (VFO Mode)
In VFO (Variable Frequency Oscillator) mode, you can directly input or tune to desired frequencies.
- Tekan tombol VFO/MR button to switch to VFO mode.
- Use the main tuning knob on the transceiver or the up/down arrows on the microphone to adjust the frequency.
- Alternatively, use the DTMF keypad on the microphone to directly enter the desired frequency.
4.4 Channel Operation (Memory Mode)
The P-72 supports 255 memory channels for storing frequently used frequencies and settings.
- Tekan tombol VFO/MR button to switch to Memory mode.
- Use the tuning knob or up/down arrows to scroll through stored memory channels.
- Refer to the full manual for detailed instructions on storing and deleting memory channels.
4.5 Transmission (PTT)
Untuk mengirim, tekan dan tahan tombol PTT (Tekan-To-Talk) button on the side of the handheld microphone. Speak clearly into the microphone. Release the PTT button to return to receive mode.
4.6 Dual Frequency Reception and Full Duplex
The Dynascan P-72 can receive two frequencies simultaneously (VHF and UHF). It also supports full duplex operation, allowing you to transmit on one band while receiving on another.
- The display will show both active frequencies.
- Gunakan A/B tombol untuk memilih frekuensi mana yang aktif untuk transmisi.

Gambar 4.1: bersudut view of the Dynascan P-72, highlighting the display and control knobs.
5. Pemeliharaan
Proper maintenance ensures the longevity and optimal performance of your Dynascan P-72.
5.1 Pembersihan
Wipe the transceiver and microphone with a soft, dry cloth. For stubborn dirt, use a slightly damp Basuh dengan kain yang dibasahi sabun lembut, lalu lap hingga kering. Jangan gunakan bahan kimia keras, pelarut, atau pembersih abrasif.
5.2 Penyimpanan
When not in use for extended periods, store the unit in a cool, dry place away from direct sunlight, extreme temperatures, and excessive dust. Disconnect the power cable and antenna.
5.3 Antenna and Cable Care
Regularly inspect antenna connections and cables for any signs of wear, damage, or corrosion. Ensure all connections remain tight to prevent signal loss and potential damage to the transceiver.
6. Penyelesaian masalah
If you encounter issues with your Dynascan P-72, refer to the following common problems and solutions.
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Tidak Ada Daya | Kabel daya terputus; tegangan tidak tepattage; sekering putus. | Check power cable connection; verify power supply voltage (13.8 VDC); check inline fuse on power cable. |
| Tidak Ada Suara / Suara Lemah | Volume too low; squelch set too high; microphone not connected properly. | Increase volume; lower squelch level; ensure microphone is fully inserted. |
| Tidak Dapat Mentransmisikan | Antenna not connected; PTT button faulty; frequency out of band. | Connect antenna securely; test PTT button; ensure frequency is within 144-146 MHz or 430-440 MHz. |
| Penerimaan Miskin | Antenna issue; high interference; squelch too high. | Check antenna connection and condition; move away from interference sources; lower squelch. |
| Keypad Terkunci | Fungsi kunci tombol diaktifkan. | Refer to the manual for the specific key combination to unlock the keypad. |
For issues not listed here, or if troubleshooting steps do not resolve the problem, please contact your dealer or a qualified service technician.
7. Spesifikasi
Detailed technical specifications for the Dynascan P-72.
| Fitur | Spesifikasi |
|---|---|
| Nomor Model | DYNASCAN P-72 |
| Rentang Frekuensi | VHF: 144-146 MHz, UHF: 430-440 MHz |
| Daya Transmisi | 20W |
| Jumlah Saluran | 255 |
| Langkah Frekuensi | 5, 6.25, 10, 12.5, 25, 50, 100kHz |
| Teknologi Penyetel | Gelombang UHF dan VHF |
| Jil.tage | Tegangan 13.8 VDC |
| Impedansi Antena | Tegangan 50 ohm |
| Keluaran Audio | 2W |
| Dimensi (kira-kira) | Ukuran 121.5x66.5x42.5 mm |
| Berat (kira-kira) | 550 g (with microphone) |
| Warna | Hitam |
| Fungsi Khusus | Keypad Lock, Compact Design |
8. Garansi dan Dukungan
The Dynascan P-72 is manufactured by Pihernz Comunicaciones. For warranty information and technical support, please refer to the documentation provided with your purchase or contact your authorized dealer. Keep your proof of purchase for any warranty claims.





