Crown Audio CM-311AHS How to program the mic on/off switch, How to assemble the WS-14 windscreen

How to program the mic on/off switch

The mic on/off switch can be programmed to work in three ways:

*Push-on/push-off (as supplied).

*Momentary on (push to talk).

*Momentary off (cough button).

To change the switch operation, open the belt-pack case by removing the three screws. Set the switch as shown below.

The LED lights when the mic is on.

TO XLR

PUSH ON/	MOM OFF	MOM. ON
PUSH OFF	(COUGH)	(P.T.T.)

Fig. 2

Frequency Response

Frequency in Hz

Fig. 3	Polar Response
330	0	30
	FRONT
300	-0		60
	-5
	-10
	-15
	-20
270			90
240		200 Hz	120
		300 Hz-3 kHz
		10 kHz
	REAR
210	180	150

Fig. 4

3in.

(7.62 cm)

3 in.

(7.62 cm)

7 in.

(17.78 cm)

Fig. 5

Fig. 6

PIN

BLOCK

INNER HALF

THUMBSCREW	BLOCK
	OUTER HALF

How to assemble the WS-14 windscreen

1. REMOVE POP FILTER FROM MIC.

POP FILTER

MIC

2.SLIP FOAM TUBE OVER MIC. FOAM TUBE

MIC

3.ORIENT WINDSCREEN SO FLAT AREA WILL BE OVER FRONT OF MIC. SLIP WINDSCREEN OVER FOAM TUBE AND VELCRO STRAP.

WINDSCREEN

4. GRAB THE WINDSCREEN’S OPEN END, AND

PINCH IT AROUND THE BOOM.

VELCRO STRAP

BOOM

5.WRAP VELCRO STRAP TIGHTLY AROUND END OF WINDSCREEN.

BOOM

VELCRO STRAP

Architects’ and Engineers’ Specifications

The microphone shall be the Crown Model CM-311AHS or equivalent. The microphone shall be a head-worn noise-cancelling, cardioid type of electret-condenser design. The microphone shall exhibit excellent off-axis response and gain-before- feedback.

CM-311AHS

The microphone shall have an adjustable boom with a locking thumbscrew, a battery belt pack, a foam pop filter, a 2-stage pop filter, and a wind- screen. The microphone shall mount to either ear- piece of a Sony MDR-7506 or MDR-V6 headphone.

A 4-foot, (1.219-m) permanently attached, two-conductor shielded cable shall connect the microphone to the belt pack. The belt pack shall include a 3-pin pro audio (XLR type) connector, battery on/off switch, programmable mic on/off switch, and “Mic On” LED. The microphone shall be powered by a 9V battery in the belt pack, or by 18 to 48V phantom power.

Nominal open-circuit sensitivity shall be 4 mV/Pa. Maximum SPL shall be 148 dB SPL for 3% THD. Equivalent noise shall be 26 dBA nominal. Fre- quency response shall be 50 Hz to 15,000 Hz with a uniform off-axis response, over 20 dB down at the rear null. The Crown model CM-311AHS is specified.

Warranty

Crown professional microphones are guaranteed against malfunction for a period of three years from date of original purchase. See enclosed war- ranty sheet for additional information.

Service

If the microphone does not function properly, check that it is aimed correctly and is connected as described in this datasheet. If the microphone is defective, return it in the original packaging to:

Crown Factory Service, 1718 West Mishawaka Road, Elkhart, IN 46517-9439. For further assis-

tance or technical support call 800-342-6939.

Crown International, Inc. 1718 W. Mishawaka Rd. Elkhart, IN 46517-9439 TEL: 574-294-8000 FAX: 574-294-8FAX www.crownaudio.com

©2005 Crown Audio®, Inc. Specifications subject to change without prior notice. Latest information avail- able at www.crownaudio.com. Crown, Crown Audio and Differoid are registered trademarks of Crown International.

7/05 102548-3A