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)

RADIO

 

SA400

 

SIREN

 

 

HORN

 

PA

 

 

VOL

MAN

 

 

WAIL

 

 

YELP

ON

OFF

 

PHASER

 

 

The OFF/ON Toggle Power Switch controls the siren power. The siren may be left on any time the vehicle is in operation. The power should be turned off when vehicle is not being used to conserve battery power.

The Rotary Function Switch selects various operating modes. These modes are as follows:

RADIO -

This mode reproduces, or repeats, the output of a radio. The radio must be connected and

 

RADIO VOLUME ADJUSTed for this mode to function. No overrides available in this mode.

HORN -

Also considered a standby mode. Horn and PA Override available in this mode.

MAN -

The siren tone is controlled Manually with SIREN button. PA Override available in this mode.

WAIL -

The siren produces a normal rise-fall tone pattern. This mode should be used on highways or

 

areas with constant traffic flow. Yelp and PA Override available in this mode.

YELP -

The siren produces a moderate warble tone. This mode should be used in lightly congested

 

areas. Horn and PA Override available in this mode.

PHASER -

The siren produces a very fast warble tone. This mode should be used at intersections or in

 

highly congested areas. Horn and PA Override available in this mode.

OVERRIDE FUNCTIONS

PUBLIC ADDRESS

(PA) OVERRIDE - By pressing the microphone button any siren tone output is turned off, allowing the operator to use the siren as a public address amplifier. The siren tone resumes when the button is released. (Hold the microphone close to your lips for proper operation and adjust the PA VOLume Control)

HORN OVERRIDE - By pressing the SIREN button the siren tone output is replaced by the horn tone. The siren tone resumes when the button is released. (This feature is not available in WAIL mode.)

YELP OVERRIDE - Available only in WAIL mode. By momentarily pressing the SIREN button the tone output is switched to the Yelp tone. Pressing the button again switches the tone output back to Wail.

TB0322B

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10/18/03

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Carson SA-400-73 PG, SA-400-73 14V, SA-400-73 28V manual Operation