
5/23/17, 5)51 PMShure Publications
Page 1 of 6http://pubs.shure.com/guide/UA221-RSMA/en-US
UA221-RSMA
Passive Antenna Splitter
IMPORTANT SAFETY INSTRUCTIONS
1. READ these instructions.
2. KEEP these instructions.
3. HEED all warnings.
4. FOLLOW all instructions.
5. DO NOT use this apparatus near water.
6. CLEAN ONLY with dry cloth.
7. DO NOT block any ventilation openings. Allow sufficient
distances for adequate ventilation and install in accordance
with the manufacturer’s instructions.
8. DO NOT install near any heat sources such as open flames,
radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat. Do not place any open flame
sources on the product.
9. DO NOT defeat the safety purpose of the polarized or
grounding type plug. A polarized plug has two blades with one
wider than the other. A grounding type plug has two blades
and a third grounding prong. The wider blade or the third
prong are provided for your safety. If the provided plug does
not fit into your outlet, consult an electrician for replacement of
the obsolete outlet.
10. PROTECT the power cord from being walked on or pinched,
particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.
11. ONLY USE attachments/accessories specified by the
manufacturer.
12. USE only with a cart, stand, tripod, bracket, or table specified
by the manufacturer, or sold with the apparatus. When a cart is
Publications User Guides UA221-RSMA (English)
English
Table of Contents
IMPORTANT SAFETY
INSTRUCTIONS
General Description
Furnished Accessories
Installing the UA221-RSMA
Splitters
Optional Accessories and
Replacement Parts
Specifications
Certifications

5/23/17, 5)51 PMShure Publications
Page 2 of 6http://pubs.shure.com/guide/UA221-RSMA/en-US
used, use caution when moving the cart/apparatus combination
to avoid injury from tip-over.
13. UNPLUG this apparatus during lightning storms or when
unused for long periods of time.
14. REFER all servicing to qualified service personnel. Servicing is
required when the apparatus has been damaged in any way,
such as power supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate
normally, or has been dropped.
15. DO NOT expose the apparatus to dripping and splashing. DO
NOT put objects filled with liquids, such as vases, on the
apparatus.
16. The MAINS plug or an appliance coupler shall remain readily
operable.
17. The airborne noise of the Apparatus does not exceed 70dB (A).
18. Apparatus with CLASS I construction shall be connected to a
MAINS socket outlet with a protective earthing connection.
19. To reduce the risk of fire or electric shock, do not expose this
apparatus to rain or moisture.
20. Do not attempt to modify this product. Doing so could result in
personal injury and/or product failure.
21. Operate this product within its specified operating temperature
range.
Explanation of Symbols
Caution: risk of electric shock
Caution: risk of danger (See note.)
Direct current
Alternating current
On (Supply)
Equipment protected throughout by DOUBLE INSULATION or