DCHR - Receiver Lectrosonics - Free user manual and instructions
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| Product Type | Wireless Receiver |
| Brand | Lectrosonics |
| Model | DCHR |
| Dimensions (H x W x D) | 1.7 x 8.3 x 6.3 inches (43 x 210 x 160 mm) |
| Weight | 1.5 lbs (0.68 kg) |
| Power Supply | DC 5V-18V, 500 mA max |
| Frequency Range | 470-608 MHz (UHF), tunable |
| RF Sensitivity | Better than 1 µV for 12 dB SINAD |
| Audio Output | Balanced XLR, unbalanced 1/4" jack |
| Antenna Input | Two BNC connectors for diversity |
| Diversity | True digital diversity |
| Display | Backlit LCD with frequency, audio level, RF level |
| Controls | Menu buttons, rotary encoder for frequency/settings |
| Mounting | Half-rack wide, includes rack ears |
| Operating Temperature | -10°C to 50°C |
| Included Accessories | AC power supply, BNC antennas, rack ears |
| Maintenance | Clean with dry cloth; no user-serviceable parts inside |
| Safety | Use only provided power supply; do not expose to moisture |
| Spare Parts / Repairability | Contact Lectrosonics service for replacement antennas, power supply, or internal repairs |
Frequently Asked Questions - DCHR Lectrosonics
How do I set the frequency on the DCHR receiver?
Press the MENU button, use the rotary encoder to select 'Frequency', then turn to adjust. Press again to confirm.
What type of antennas does the DCHR use?
The DCHR uses BNC antennas. For best performance, use Lectrosonics ALP750 or similar UHF antennas.
Can I mount the DCHR in a rack?
Yes, the DCHR is half-rack width and includes rack ears for mounting in a standard 19-inch rack.
How do I connect the audio output?
Use the balanced XLR output for professional audio gear, or the unbalanced 1/4-inch jack for consumer equipment.
What is the power requirement?
The DCHR accepts DC 5V to 18V (500 mA max). Use the included AC adapter or a Lectrosonics power distribution system.
Why is the RF level low?
Check antenna connections, ensure antennas are properly oriented, and verify the transmitter is within range. Try relocating antennas for better line-of-sight.
How do I perform a scan for clear frequencies?
Press MENU, select 'Scan', and choose 'Quick Scan' or 'Full Scan'. The receiver will find the cleanest channel.
Does the DCHR support digital or analog?
The DCHR is a digital hybrid receiver, compatible with Lectrosonics digital and analog transmitters (mode selectable).
How do I clean the receiver?
Use a soft dry cloth to wipe the exterior. Do not use liquids or solvents. Keep vents clear of dust.
What do I do if the receiver stops working?
Check power supply, antenna connections, and try resetting by power cycling. If issue persists, contact Lectrosonics support or an authorized service center.
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