Important Safety Instructions; General Description - Shure SCM268E User Manual

Four-Channel Microphone Mixer
This symbol indicates that dangerous voltage constitut-
ing a risk of electric shock is present within this unit.
This symbol indicates that there are important operating
and maintenance instructions in the literature accompa-
nying this unit.

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 suffi-
cient distances for adequate ventilation and install in ac-
cordance 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 ground-
ing 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 spec-
ified by the manufacturer, or sold with the apparatus.
When a cart is 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 re-
quired when the apparatus has been damaged in any way, such as
power supply cord or plug is damaged, liquid has been spilled or ob-
jects 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 ex-
pose this apparatus to rain or moisture.
20. Do not attempt to modify this product. Doing so could re-
sult in personal injury and/or product failure.
21. Operate this product within its specified operating temperature range.
WARNING: Voltages in this equipment are hazardous to life. No user-serviceable parts inside.
Refer all servicing to qualified service personnel. The safety certifications do not apply when the
operating voltage is changed from the factory setting.
WARNING:
This product contains a chemical known to the State of California to cause cancer and birth
defects or other reproductive harm.

General Description

The Shure Model SCM268 is a transformer-balanced, four-channel
microphone mixer. Its simple, compact design delivers superior perfor-
mance and exceptional sound quality with low noise and a flat frequency
response.
Versatile in all types of applications, the SCM268 integrates transform-
er-balanced XLR inputs, a switchable microphone/line level transform-
er-balanced XLR output, phono jack inputs and output, phantom power,
and an auxiliary input channel. It can function as a primary or add-on
mixer for sound reinforcement, recording, broadcast, or audio-visual pre-
sentation systems.
With the supplied hardware, the mixer's half-rack chassis mounts se-
curely in single or dual rackmount installations. For fixed installations, the
SCM268 can be fastened on or below a shelf, counter, or tabletop.
Features
• Four transformer-balanced microphone inputs
• Transformer-balanced output-switchable mic/line level
• Five -10 dB line-level inputs
• Six-segment LED output level meter
• Built-in 12-volt phantom power
• Internal power transformer
• Built-in low-cut filter on microphone inputs (below 80 Hz)
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