This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit.
This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit.
! IMPORTANT SAFETY INSTRUCTIONS !
1. | READ these instructions. | 12. | USE only with a cart, stand, tripod, bracket, or table | |
2. | KEEP these instructions. | |||
| specified by the manufacturer, or sold with the | |||
3. | HEED all warnings. |
| apparatus. When a cart is used, use caution when | |
4. | FOLLOW all instructions. |
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| moving the cart/apparatus combination to avoid | |||
5. | DO NOT use this apparatus near water. |
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| injury from | |||
6. | CLEAN ONLY with dry cloth. |
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13. | UNPLUG this apparatus during lightning storms or when unused for long periods of | |||
7. | DO NOT block any ventilation openings. Install in accordance with the manu- | |||
| time. | |||
| facturer's instructions. |
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| 14. | REFER all servicing to qualified service personnel. Servicing is required when the | ||
8. | DO NOT install near any heat sources such as radiators, heat registers, stoves, | |||
| apparatus has been damaged in any way, such as | |||
| or other apparatus (including amplifiers) that produce heat. |
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| aged, liquid has been spilled or objects have fallen into the apparatus, the apparatus | ||
9. | DO NOT defeat the safety purpose of the polarized or |
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| has been exposed to rain or moisture, does not operate normally, or has been | |||
| polarized plug has two blades with one wider than the other. A grounding type |
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| dropped. | ||
| plug has two blades and a third grounding prong. The wider blade or the third |
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| prong are provided for your safety. If the provided plug does not fit into your out- | 15. | DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled | |
| let, consult an electrician for replacement of the obsolete outlet. |
| with liquids, such as vases, on the apparatus. | |
10. | PROTECT the power cord from being walked on or pinched, particularly at plugs, | 16. | The MAINS plug or an appliance coupler shall remain readily operable. | |
| convenience receptacles, and the point where they exit from the apparatus. | 17. | The airborne noise of the apparatus does not exceed 70dB (A). | |
11. | ONLY USE attachments/accessories specified by the manufacturer. | 18. | Apparatus with CLASS I construction shall be connected to a MAINS socket outlet | |
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| with a protective earthing connection. | |
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| 19. | To reduce the risk of fire or electric shock, do not expose this apparatus to rain or | |
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| 20. | moisture. | |
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| Do not attempt to modify this product. Doing so could result in personal injury | ||
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| and/or product failure. |
WARNING: Voltages in this equipment are hazardous to life. No
OVERVIEW
The Shure PA421SWB Antenna Combiners actively combine antenna outputs from up to four PSM wireless transmitters to a single antenna, improving RF performance and reducing rack clutter.
INSTALLATION
1.Before installing, set the front panel power switch to OFF. (See Figure 1)
2.Using the supplied power cable connect the unit to an AC power source.
3.To use the device set the front panel power switch to ON. The power light will illuminate.
4.Before disconnecting the unit from the AC power source, or when not in use, power the unit OFF.
Figure 1 | Switch Off |
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PA421SWB Benefits
•Reduction of intermodulation artifacts for cleaner RF environment and more channels on air
•Simplified antenna placement
•Power distribution
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