مقدمة
The Fostex RM-3DT is a compact, high-quality active monitor speaker designed for professional audio environments, particularly for rack-mount installations. It features both Dante and balanced analog inputs, making it versatile for various studio and broadcast applications. This manual provides essential information for the proper setup, operation, and maintenance of your RM-3DT unit.

الشكل 1: الجبهة view of the Fostex RM-3DT Active Monitor Speaker, showing the LED meter, headphone jack, and volume knob.
الميزات الرئيسية
- Accepts both Dante and Balanced Analog Inputs for flexible connectivity.
- Outputs either or both of any 2-channel digital signals extracted from the Dante network.
- Power-saving design incorporating a digital amplifier and switching power supply.
- 26-dot LED meter with selectable display modes: VU, VU+PEAK, VU+PEAK HOLD, PEAK+PEAK HOLD.
- Adjustable display brightness with four levels.
ماذا يوجد في الصندوق
Upon unpacking your Fostex RM-3DT, please ensure all the following items are present:
- Fostex RM-3DT Rack-Mount Active Stereo Monitor Speaker with Dante
- سلك الطاقة
- دليل المستخدم (هذا المستند)
يثبت
1. التثبيت المادي
The RM-3DT is designed for standard 19-inch rack mounting. Ensure adequate ventilation around the unit to prevent overheating. Secure the unit firmly using appropriate rack screws.
2. الاتصالات
The RM-3DT offers both Dante network connectivity and traditional balanced analog inputs/outputs.

Figure 2: Rear panel of the Fostex RM-3DT, illustrating Dante IN, Analog Input (XLR), and Analog Thru Out (XLR) ports.
- مدخلات دانتي: Connect an Ethernet cable from your Dante network to the "Dante IN" port. The RM-3DT will appear as a device on your Dante Controller software.
- المدخلات التناظرية: Use balanced XLR cables to connect your analog audio sources to the "ANALOG INPUT" (L/R) ports.
- Analog Thru Out: The "ANALOG THRU OUT" (L/R) ports provide a pass-through of the analog input signals, allowing you to route them to other equipment.
3. توصيل الطاقة
Connect the supplied power cord to the AC IN receptacle on the rear panel of the RM-3DT and then to a standard AC power outlet. Ensure the power switch is in the "OFF" position before connecting.
تعليمات التشغيل
1. تشغيل / إيقاف التشغيل
To power on the unit, flip the power switch on the rear panel to the "ON" position. To power off, flip the switch to "OFF".
2. ضوابط اللوحة الأمامية

Figure 3: Close-up of the front panel, highlighting the headphone jack, volume knob, and input/output selection buttons.
- الهواتف جاك: Connect stereo headphones to this 1/4-inch (6.35mm) jack for private monitoring.
- مقبض الصوت: Adjusts the output level of the built-in speakers and the headphone output.
- زر الإدخال: Toggles between Dante and Analog input sources. The selected input will be indicated by an LED.
- زر الإخراج: Selects whether the monitor outputs the Dante signal, Analog signal, or a mix of both.
3. LED Meter Display
The 26-dot LED meter provides visual feedback on audio levels. You can configure its display mode and brightness using the DIP switches on the rear panel.
- أوضاع العرض:
- VU: Standard Volume Unit meter.
- VU+PEAK: Displays VU level with peak hold.
- VU+PEAK HOLD: Displays VU level with a longer peak hold.
- PEAK+PEAK HOLD: Displays peak level with peak hold.
- ضبط السطوع: The display brightness can be set to one of four levels via DIP switch settings.
4. Rear Panel DIP Switches
A set of DIP switches on the rear panel allows for advanced configuration of the RM-3DT's behavior. Refer to the labels next to the switches for specific functions.

Figure 4: Close-up of the rear panel, showing the DIP switches for various settings like Dimmer, Meter type, Mute, and Peak VU.
- باهتة: Adjusts the brightness of the LED meter.
- متر: Selects the LED meter display mode (VU, VU+PEAK, etc.).
- كتم الصوت: تمكين أو تعطيل وظيفة كتم الصوت.
- PEAK VU: Configures specific peak VU settings.
Consult the detailed diagram on the unit's rear panel for precise DIP switch configurations.
صيانة
- تنظيف: استخدم قطعة قماش ناعمة وجافة لتنظيف الجزء الخارجي من الجهاز. لا تستخدم المنظفات السائلة أو المواد الكاشطة.
- تهوية: Ensure that the ventilation grilles are not obstructed to allow for proper airflow and prevent overheating.
- تخزين: إذا كنت ستقوم بتخزين الوحدة لفترة طويلة، فافصلها عن الطاقة وقم بتخزينها في مكان بارد وجاف.
استكشاف الأخطاء وإصلاحها
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| لا يوجد طاقة | Power cord not connected; Power switch off; Outlet issue. | تحقق من توصيل سلك الطاقة؛ تأكد من تشغيل مفتاح الطاقة؛ اختبر المنفذ باستخدام جهاز آخر. |
| لا يوجد مخرج صوتي | Incorrect input selected; Volume too low; Cable issues; Dante network problem. | Press INPUT button to select correct source; Increase VOLUME; Check all audio cables; Verify Dante network configuration in Dante Controller. |
| LED meter not displaying | Brightness set too low; Meter mode incorrect; No audio signal. | Adjust DIMMER DIP switch; Check METER DIP switch setting; Ensure audio signal is present. |
| صوت مشوه | Input level too high; Faulty cable; Speaker damage. | Reduce input signal level; Try different cables; Contact Fostex support if speakers are damaged. |
تحديد
| ميزة | التفاصيل |
|---|---|
| اسم الموديل | Rack-Mount Active |
| نوع السماعة | شاشة |
| رقم موديل العنصر | AMS-RM-3DT |
| بروتوكول الاتصال | Dante (digital audio network) and balanced XLR (analog audio) |
| حجم السماعة | 110 مليمتر |
| قطر مكبر الصوت | 3.15 بوصة |
| وضع إخراج الصوت | ستيريو |
| الحد الأقصى لقوة خرج السماعة | 30 واط |
| مصدر الطاقة | كهرباء سلكية |
| أبعاد المنتج | 5 بوصة عمق × 20 بوصة عرض × 20 بوصة ارتفاع |
| وزن العنصر | 10.38 رطل |
| لون | أسود |
| الشركة المصنعة | فوستكس |
| رمز المنتج الموحد | 636827308977 |
الضمان والدعم
The Fostex RM-3DT comes with a limited warranty. For detailed warranty terms and conditions, please refer to the warranty card included with your product or visit the official Fostex website. For technical support, service, or further inquiries, please contact Fostex customer service through their official channels.
يمكنك العثور على مزيد من المعلومات وموارد الدعم على متجر فوستكس على أمازون.





