Operation, Siren Controls, Manual | Carson SC-407-10 guide

OPERATION

Sound Hazard - Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage. Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity. (Ref. OSHA 1910.95 for occupational noise exposure guidelines)

SIREN CONTROLS

Two 3-position rocker switches control the primary operating modes of siren. These modes are as follows:

On: Applies power to the siren system for operation independent of light control system. It also turns on backlighting for night use. The switch should be turned off when vehicle is not being used to conserve battery power.

YELP STBY WAIL

OFF RAD

Off: Turns off power to the siren section.

Radio: This mode reproduces, or repeats, the output of a radio. The radio must be connected and RADIO VOLUME on the face adjusted. No siren tones or PA operation are available in this position.

Wail: The siren produces a normal rise-fall tone pattern. This mode may be used on highways or areas with constant traffic flow.

Yelp: The siren produces a moderate warble tone. This mode may be used in lightly congested areas.

Standby: A silent mode that allows Manual, Horn and Public Address operation.

Manual /

Phaser: With the mode switch in the Standby position this push-button switch provides Manual siren tone control, rising when pressed and falling when released. When the mode switch is in the Yelp or Wail positions, the

push-button provides Phaser tone. This tone is a very fast warble tone MAN/PHSR HORN used at intersections or in highly congested areas. Pressing the button

once changes to the Phaser tone and pressing again changes the tone back to Yelp or Wail. Optional operation includes replacement of the Phaser tone with Two-Tone or disabling the Phaser tone entirely

Horn: This push-button switch provides a simulated air-horn tone while pressed. This can be used to supplement the normal vehicle horn and is useful at intersections or in low noise areas. This tone will override all other siren tones.

PA: Pressing the microphone button in any mode except Radio changes the unit to PA (Public Address). The siren mode resumes when the button is released. Adjust the PA Volume and hold the microphone close to your lips for proper operation.

Volume Controls

Volume controls are provided for radio repeat function volume and public address volume. These should be set when the vehicle is parked. Set the RAD volume with the selector switch in the Radio position and the radio volume set to desired level. Set the PA volume to the maximum level with no feedback (squeal).

VOLUME

RAD PA

TB0346A

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05/07/05

SC-407-10, SC-407 specifications

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