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Page 8 of 12 SA-500-27 14 Installation and Operating Instructions
09/09/08 CP5015A
OPERATION
GENERAL
This unit is designed for easy operation under the stress associated with high-speed pursuit.
Most siren functions are accessible with one simple motion without repetitive activation of
switches or automatic timed switching that can interfere with desired operation.
SELECTOR SWITCH
The 4-position rotary selector switch controls the primary operating
mode of the siren.
Radio - Also known as Radio Repeat, this function amplifies a radio
speaker input for re-broadcast outside the vehicle. No siren tones
or PA operation are available in this mode. The radio must be
connected and radio volume adjusted for this mode to function.
Standby - A silent mode that may be overridden anytime with the
Manual or Horn or PA operation.
Mech - A simulated mechanical siren tone used anytime.
Yelp -> Phaser -> Wail - This mode provides tones by pressing the Manual push-button to step
through the tones. The initial tone is Yelp or optionally may be Wail.
See OPTION SWITCHES section.
Wail - A slower changing tone used on highways.
Yelp - A rapidly changing tone used in congested areas.
Phaser - A very rapidly changing tone used at intersections or in highly congested areas. May be
optionally replaced with Two-Tone which is two alternating frequencies like a European HI-LO.
See OPTION SWITCHES section.
MANUAL SWITCH
This momentary push-button switch provides manual tone control
or stepping through tones depending on the selector switch posi-
tion. Manual tone control is used to momentarily alert motorists or
in low noise areas.
Manual Wail - Manual control of Wail tone rise and fall.
Manual Mech - Manual control of Mech tone rise and fall.
HORN SWITCH
This momentary 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 overrides other siren tones.
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)
Y
→P→W
MECH
STBY
RADIO
HORNMANUAL
Rotary
Switch
Operating
Mode
Auxiliary Input
Y->P->W Yelp Horn Switch (Manual Switch option)
Mech Mech Horn Switch (Manual Switch option)
Standby Silent Horn Switch (Manual Switch option) (HRC2 option)
Radio Radio Radio
Manual
Switch
Yelp->Phaser->Wail Loop
(Wail start option)
Manual Mechanical
Manual Mechanical
(Manual Wail option)
Radio
Horn
Switch
Horn
Horn
Horn
Radio