User`s guide

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Siren PA After Reset Use the UP/DOWN arrow keys to make your selection from among the
following:
HiLo Airhorn Tones Use the UP/DOWN arrow keys to enable/disable this feature. When
this feature is enabled, HiLo and/or Airhorn tones are allowed. When
this feature is disabled, HiLo and/or Airhorn Siren tones cannot be
produced. In this state (disabled),
❒ Pressing the HiLo button will not create a HiLo tone; and
❒ Automatic Yelp will not override to the Airhorn mode when Horn
Ring is pressed.
This feature allows HiLo and Airhorn tones to be disabled for
applications in which they are not desired or allowed.
Manual Tone Use the UP/DOWN arrow keys to make your selection.
Siren Ignition Sense Use the UP/DOWN arrow keys to enable/disable this feature. When
the Siren Ignition Sense is enabled, the Siren will be cease to operate
when the vehicle’s ignition is turned off. When the Siren Ignition
Sense is disabled, the operator can use the Siren whether the vehicle’s
ignition is on or off.
Off The Siren will be in a switched off state when the radio is
turned on.
Last State When the radio is turned on, the siren will return to its
previous state. That is, if the Siren was on when the radio
was turned off, the Siren will be on. If the Siren was off
when the radio was turned off, the Siren will be off.
Airhorn An Airhorn tone will be heard when the horn ring is
pressed.
Wail A Wail tone will be heard when the horn ring is pressed.
Yelp A Yelp tone will be heard when the horn ring is pressed.