EM 203 MF - Receiver SENNHEISER - Free user manual and instructions
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| Product Type | Wireless Receiver |
| Brand | Sennheiser |
| Model | EM 203 MF |
| Frequency Range | UHF 518-870 MHz (depending on variant) |
| Number of Channels | Up to 1680 |
| Modulation | FM |
| Antenna Inputs | 2 x BNC (diversity) |
| Audio Output | XLR-3 balanced, 6.3 mm jack unbalanced |
| Audio Frequency Response | 80 Hz - 18 kHz |
| Signal-to-Noise Ratio | > 100 dB (A-weighted) |
| Total Harmonic Distortion | < 0.9% |
| Squelch | Adjustable via control panel |
| Display | Backlit LCD |
| Dimensions (W x H x D) | Approx. 212 x 44 x 230 mm |
| Weight | Approx. 1.1 kg |
| Power Supply | 12 V DC via external PSU |
| Operating Temperature | -10°C to +55°C |
| Cleaning | Wipe with dry cloth; avoid solvents |
| Repairability | Designed for easy module replacement |
Frequently Asked Questions - EM 203 MF SENNHEISER
How do I connect the EM 203 MF to a mixer?
Use a balanced XLR cable from the AF Out XLR-3 connector to a mixer input. Ensure correct gain staging.
What antennas are compatible?
Use Sennheiser passive or active antennas with BNC connectors, e.g., A 1031-U or A 2003-UHFR.
How do I perform a frequency scan?
Press the SCAN button to start an automatic scan. The receiver will select the clearest frequency.
Can I use multiple receivers together?
Yes, up to 8 receivers can be cascaded using the antenna splitter (e.g., AB 2).
What is the maximum range?
Up to 100 meters (line of sight) under optimal conditions.
How do I adjust the squelch threshold?
Access the menu, select Squelch, and adjust using the arrow keys to avoid noise.
What batteries does the transmitter require?
This is a receiver; transmitters use 2 x AA batteries. The receiver is powered by its 12V PSU.
How do I reset to factory settings?
Hold the SET button while powering on, or use menu option Reset.
The display shows 'RF' but no audio?
Check that the transmitter is turned on and on the same frequency. Also check audio connections and squelch.
Can I mount the receiver in a rack?
Yes, it is 1U rack-mountable with optional rack kit RM 20.
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USER MANUAL EM 203 MF SENNHEISER
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Product information
Brand : SENNHEISER
Model : EM 203 MF
Category : Receiver