IFBR1B-VHF - Radio receiver Lectrosonics - Free user manual and instructions
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| Type | Portable VHF Receiver |
| Brand | Lectrosonics |
| Model | IFBR1B-VHF |
| Frequency Band | VHF (174-216 MHz typical) |
| Number of Channels | 256 (typical) |
| Audio Output | Headphone (3.5mm) and Line (unbalanced) |
| Power Source | 2 AA batteries (or external DC) |
| Battery Life | Approximately 6-8 hours (alkaline) |
| Dimensions | 3.5 x 2.2 x 1.0 inches (89 x 56 x 25 mm) |
| Weight | 5.6 oz (159 g) with batteries |
| Construction | Metal chassis with belt clip |
| Antenna | External whip antenna (removable) |
| Squelch | Adjustable threshold |
| Display | LED indicators for power and RF |
| Compatible Transmitters | Lectrosonics VHF bodypack and handheld |
| Operating Range | Up to 300 ft (90 m) line-of-sight |
Frequently Asked Questions - IFBR1B-VHF Lectrosonics
What is the frequency range of the IFBR1B-VHF?
The IFBR1B-VHF operates in the VHF band, typically from 174 to 216 MHz. Always ensure compliance with local regulations.
How do I change the batteries?
Slide off the battery cover on the back. Insert two AA batteries observing polarity, then replace the cover.
Can I use rechargeable batteries?
Yes, NiMH rechargeable AA batteries work well. Battery life may be slightly shorter than alkaline.
How do I pair the receiver with a transmitter?
Ensure both devices are on the same frequency channel. Set the transmitter and receiver to the same channel number using the dip switches or frequency settings.
What does the LED indicator mean?
A steady green LED indicates power on. A blinking green LED indicates low battery. An red/orange LED indicates RF signal reception.
Can I use the receiver with other brands?
The IFBR1B-VHF is designed for Lectrosonics VHF transmitters. Compatibility with other brands is not guaranteed due to different modulation and frequency schemes.
How do I adjust the squelch?
Use a small screwdriver to turn the squelch control (usually labeled SQUELCH) on the side panel. Adjust until the hiss stops when no signal is present.
What is the audio output level?
The headphone output is designed for low-impedance headphones (32-300 ohms). Line output is unbalanced, typically -10 dBV nominal.
How do I clean the receiver?
Use a dry, soft cloth to wipe the exterior. Avoid solvents. Clean the antenna and connectors with isopropyl alcohol if needed.
What should I do if the receiver stops working?
First check batteries and antenna connection. Ensure frequency is not blocked. If issues persist, consult the full manual or contact Lectrosonics support.
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USER MANUAL IFBR1B-VHF Lectrosonics
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Product information
Brand : Lectrosonics
Model : IFBR1B-VHF
Category : Radio receiver