Galls Street Thunder ST280 Manuel d'installation et d'utilisation - Page 14
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(Operation CONT'D)
Manual/Horn Momentary Rocker Switch
The front panel of the ST280 contains a momentary rocker switch that operates the
Manual function when the left side is depressed and the Air Horn when the right
side is depressed.
Manual – Pressing the left side of this momentary rocker
switch provides a generally quicker changing
tone when the selector switch is in the Wail, Yelp
or Thunder positions. (See table on page 12).
These quicker tones are used at intersections
and very highly congested areas. Pressing the
button once changes to the next faster tone
and pressing again changes the tone back to
original tone. With the selector switch in the
Manual, PA or Hands Free position this switch
provides a manually activated Wail siren tone
while the button is being held. This is used to
momentarily alert motorists or in low noise areas.
Optional operation includes replacement of the Thunder tone with Two-
Tone or disabling the Thunder tone entirely. These options are selected
during installation and may be governed by State or Local laws.
Rotary Switch
Position:
THUNDER
YELP
WAIL
HF (Hands Free)
MAN (Manual)
PA
(NOTE: THUNDER and TWO-TONE may be optionally swapped or disabled via
program jumpers. See the section on page 4 under INSTALLER-SELECTABLE
OPTIONS.)
Air Horn – Pressing the right side of this momentary rocker switch provides a
simulated air-horn tone while pressed. This can be used to either replace,
or to supplement the normal vehicle horn and is useful at intersections or
in high noise areas. This tone will override all other siren tones.
Pressing the MANUAL Rocker Switch
Does This:
Toggles the Output to TWO-TONE
Toggles the Output to THUNDER
Toggles the Output to YELP
Creates a manual WAIL tone while button is being held that
sweeps down when the button is released.
Creates a manual WAIL tone while button is being held that
sweeps down when the button is released.
Creates a manual WAIL tone while button is being held that
stops immediately when the button is released.
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