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Scan function - Recommended Method

Note 1: If there are existing, older wireless systems that will still be used, make certain they are powered up, operating, and placed on stage before beginning the scanning function. Refer to the User Guide of each Shure system...


When to choose SLX over ULX wireless systems?

How many systems will be operating simultaneously? When deciding between SLX and ULX systems, one has to first determine how many total wireless systems will be operated simultaneously. This is the most important deciding factor....


SLX transmitter will not sync with the SLX4 receiver

Here are possible causes of the problem, from most common to least common:   1) The battery compartment of the SLX transmitter is not open, and therefore the sync signal from the SLX4 is not being received.  ...


ULX transmitter with a SLX receiver

Yes.  There is an overlap of frequencies between the ULX and SLX systems: the J3 frequency range on the SLX and the J1 frequency range on the ULX. 572 MHz to 590 MHz is shared between the J3 and J1 bands. The Groups and...


Antenna distribution for 2 SLX wireless receivers

Rack the two SLX receivers side by side and passively combine the antennas, using the UA221. When racking two receivers side-by-side, there is enough room to bring the antennas to the front in that same rack space. Use the antenn...


PGX vs. SLX

PGX   SLX Low Battery Indicator LED on transmitter changes from green to red to indicate low battery. ...


SLX Receiver Rack Hardware

Short Rack Bar: 53A8611 Long Rack Bar: 53A8612 Link Bar: 53B8443 Antenna extension cable: 95A9023


High school football stadium wireless mic

Installing a wireless mic for a high school football stadium has some challenges, but following recommended guidelines, most installations are successful. First is the choice of wireless system. The receiver that is selected...


Can a PGX transmitter be used with an SLX receiver? And vice versa?

Here is how to do this, but it is cumbersome. 1) You need a SLX4, a PGX4, and a PGX2. All must be in the same frequency range, like a SLX4-H5, a PGX4-H6, a PGX2-H6. H6 is a subset of H5. 2) Use the PGX4 to find an open fre...


SLX compatibility with the FP wireless series

Yes, the FP and SLX systems are compatible.   Make certain they share the same operating frequency band.


Low Battery Indicator on SLX4 Receiver

There are three things that will occur simultanously to indicate a low battery situation: 1) The LED on the transmitter turns red. 2) The battery meter on the transmitter will show one remaining segment. 3) The "low...


Rechargeable AA batteries

We recommend the following: Rechargeable AA Cells - Lithium Polymer


Point to point wireless with SLX4 receiver and P7T transmitter

Wireless Point to Point Audio Using an SLX Receiver and P7T (discontinued) Transmitter Certain applications require sending audio from point A to point B (and sometimes C) without using cable. Some frequency band...


SLX4L Receiver with TTL Logic with AMX systems

The SLX4L can provide the status of the wireless microphone. At the back of the SLX4L, there is a 3 pin phoenix connector: Pin 1: Transmitter Mute Status. In Logic mode, Pin 1 can be connected to a remote device and when tran...


SLX1 Transmitter and Countryman E6 headworn microphone - gain problems

Here are several recommendations:   Set SLX1 gain switch to MIC. Set SLX4 gain pot (on rear) to maximum - full clockwise Use XLR output of SLX4. Connect to XLR input on mixer. Confirm the mic cabl...


SLX transmitter battery gauge

The battery gauge circuit measures the voltage provided by the two AA batteries. Different types of batteries and different makes of batteries have different discharge curves. Thus the battery fuel gauge can vary in accuracy depe...


SLX transmitter - voltage and current requirements

The SLX transmitter operates on two 1.5 Vdc cells in series; this configuration provides 3 Vdc. While powered up, the transmitter will shut down when the voltage reached 2.0 Vdc. To power up, the minimum voltage must be 2.3 Vdc. ...


Impedance Balanced Outputs and Gain on BLX, SLX, PGX, and PG receivers

The XLR output and the 1/4" phone jack output of the BLX, SLX, PGX, and PG receiver are impedance balanced. NOTE: The 1/4" phone jack output has a signal level that is 14 dB greater than the XLR output. On ...


SLX4 receiver - defective PS21US power supply - symptoms

1) Flashing SLX4 LCD panel (almost fully on to fully off) and Audio Frequency noise output that is consistent in repetition with the flashing. 2) Faint flickering in the LCD panel, dim backlight, and sometimes no Audio output f...


SLX4 Receiver - audible hum when transmitter is off

SITUATION An SLX4 receiver is mounted in a rack. A long audio cable (over 100 feet or 30 meters) connects the impedance-balanced, mic-level, XLR output to a balanced, mic-level, XLR input on a mixer mounted in a different rack....


Set up of the SLX wireless system - video demonstration


Tour Guide Wireless System Using SLX and PSM200

Tour Guide Wireless System Using SLX and PSM200 A basic tour guide wireless systems can be created with the following components: SLX14-H5 wireless system WBH53 headworn microphone P2R-H2 bodypack receiver S...


SLX4L Receiver - How does TTL logic control work?

The receiver rear panel has three TTL logic terminals: Logic Ground (pin 2) Transmitter Status (pin 1) Battery Status (pin 3) SLX 1, SLX2, MX690, MX890 Transmitter Status - Receiver in NORMAL mode: When the transmitt...


Loud Low Frequency Noise from PGX4 or SLX4 Receiver

The low frequency noise may be caused by a low power line voltage condition. Check these symptoms to determine if this applies to your situation. Intermittent, intense, and offensive low frequency noise PGX4 or SLX4 recei...


Stiff antenna for SLX1 or PGX1

Here is a simple way to stiffen the SLX1 or PGX1 antenna. Supplies required are:Heat shrink tubing Piece A: 75 mm (3") long, I.D. 4 mm (3/32") Piece B: 25 mm (1") long, I.D. 5 mm (1/8") Piece C: 25 mm (1") long, I.D. 7 mm (...


Mounting SLX antennas to the side of a rack

Assuming the rack is metal, this is quite simple. Use the coax cables that come with SLX to bring the antennas to the side or top of the rack. Drill a hole through the rack and stick the BNC fitting (attached to the cable) t...


SLX4 Receiver Display indicates "FULL"

The FULL warning indicates that all available channels in the currently selected group are in use. Though you did not mention the SLX frequency band, it is likely your system is J3: 572 - 576 MHz; TV channels 31 - 34. In the Ful...


SLX and the WL93 as a headworn microphone

Yes.  The "MIC" position would be used in the WL93 was positioned on the chest of the performer.


PGX and SLX Wireless - audio level varies more than expected

The "audio drop-off effect" is a characteristic of the companding design used for PGX (and SLX) wireless. The purpose of companding is to squeeze a wide audio dynamic range into a more limited dynamic range for bet...


SLX Transmitter - Maximum Battery Voltage

We tested the SLX 1 up to 4 volts DC.  All features worked properly. We expect no problems when powered from two AA cells in series that produce 3.6 to 3.8 Vdc.  Also, iPower US manufacturers a rechargeable lithium...


SLX systems having different audio output levels

The SLX 1 body pack transmitter has a gain level switch on the side. Check it for the setting. For a lapel mic, set the switch to the "MIC" position. For a headworn mic, try the "0" position. For an instrument, use the "-10...


Directional antenna with SLX receiver

See our online Wireless Accessory Wizard.


Oxyride batteries with SLX wireless

Introduced in 2004 by Matsushita Electric of Japan, the Oxy-Nickel-Hydroxide (oxyride) battery is claimed to be 1.5 "more powerful" than a standard alkaline battery. The cost of the oxyride batteries varies greatly, but tends to ...


Wireless system - delay when turning it on

Yes, this delay is normal. The SLX series, and other professional level Shure systems, use a tone key squelch circuit that eliminates an audible "pop" in the sound system when the wireless transmitter is turned on or turned off....


SLX and Motion Detectors in a Meeting Room

You are correct about the motion detectors. This is a case of two different technologies colliding with each other. Certain motion detectors use an ultrasonic pulse that is near to the frequency used for the tone-key squelch c...


One In Four Out DC coaxial power connector cable

We offer the PS124 and PS124L


Restricting the SLX 1 Bodypack Gain Switch

From a plastic milk jug, cut a small rectangular piece of plastic to fit into the switch recess. This piece will act as a physical barrier against movement of the switch when jammed against the switch and the side of the recess.


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