Federal Signal Corporation PA300 Series 690009, Installation, Service, And Operating Instructions

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4 4--1 1.. G GE EN NE ER RA AL L..
All controls utilized during All controls utilized during normal operation of normal operation of
the Model PA300 are located on the front panel (see the Model PA300 are located on the front panel (see
figure 4-1).
figure 4-1).
The wired-in noise cancelling microphone pro- The wired-in noise cancelling microphone pro-
vides high quality voice rep vides high quality voice reproduction in the public roduction in the public
address mode. The microphone push-to-talk switch address mode. The microphone push-to-talk switch
will override all siren functions, except radio rebroad-
will override all siren functions, except radio rebroad-
cast, for instant PA use.
cast, for instant PA use.
4- 4-2. 2. GA GAIN IN CO CONT NTRO ROL. L.
The GAIN control is used to turn the s The GAIN control is used to turn the siren on iren on
and off. Also, it is used to and off. Also, it is used to control the volume when control the volume when
the siren is used for public the siren is used for public address or radio amplifi- address or radio amplifi-
cation. Clockwise rotation of the knob increases voice cation. Clockwise rotation of the knob increases voice
volume in the public addr volume in the public address or radio amplification ess or radio amplification
mode. The GAIN control does not control the volume mode. The GAIN control does not control the volume
of the siren signals.
of the siren signals.
The maximum clockwise setting of the control The maximum clockwise setting of the control
will be determined, in most cases by will be determined, in most cases by the point at the point at
which feedback or “squeal” occurs. This will depend which feedback or “squeal” occurs. This will depend
upon the microphone gain, open windows, speaker
upon the microphone gain, open windows, speaker
placement, proximity of reflecting surfaces (building
placement, proximity of reflecting surfaces (building
or other vehicles), etc. Adjust the GAIN control to a
or other vehicles), etc. Adjust the GAIN control to a
position just below the point at which
position just below the point at which feedback feedback
occurs or as desired. occurs or as desired.
4- 4-3. 3. SE SELE LECT CTOR OR SW SWIT ITCH CH..
The Selector switch is a five-position rotary The Selector switch is a five-position rotary
switch used to select the mode of operation. The switch used to select the mode of operation. The
following are positions on the Selector switch.
following are positions on the Selector switch.
A. A.
RADIO RADIO
..
In this position, incoming radio messages In this position, incoming radio messages
are amplified by the siren and rebroadcast over the are amplified by the siren and rebroadcast over the
outside speaker.
outside speaker.
B. B. MANUAL MANUAL ..
In this position, it is possible to operate the In this position, it is possible to operate the
siren by activating the siren by activating the HORN/SIREN switch. The HORN/SIREN switch. The
siren can also be activated by means of an auxiliary siren can also be activated by means of an auxiliary
switch, such as the horn ring
switch, such as the horn ring button (refer to para- button (refer to para-
graph 4-6). graph 4-6).
C. C. WAIL WAIL ..
In this position, the siren produces a In this position, the siren produces a con- con-
tinuous “wailing” sound, up and down in frequency. tinuous “wailing” sound, up and down in frequency.
D. D. YELP YELP ..
In this position; a continuous, rapid “war- In this position; a continuous, rapid “war-
bled” tone is generated. bled” tone is generated.
E. E.
HI-LO HI-LO
..
In this position, a two-tone sound will In this position, a two-tone sound will be be
heard. This distinctive tone may be reserved for any heard. This distinctive tone may be reserved for any
special indication or situation.
special indication or situation.
4- 4-4. 4. HO HORN RN/S /SIR IREN EN SW SWIT ITCH CH..
The HORN/SIREN switch, located on the left The HORN/SIREN switch, located on the left
side of the front panel, activates the electronic air side of the front panel, activates the electronic air
horn sound (up) or peak-and-hold sound (down) in
horn sound (up) or peak-and-hold sound (down) in
any siren mode except radio.
any siren mode except radio.
4- 4-5. 5. TA TAP P II II FU FUNC NCTI TION ONS. S.
Tap II allows Tap II allows the driver to the driver to change the change the siren siren
sound via the vehicle’s horn ring. This sound via the vehicle’s horn ring. This feature is feature is
especially effective for clearing traffic. The chart especially effective for clearing traffic. The chart
below demonstrates how the horn ring can be
below demonstrates how the horn ring can be used to used to
change the siren sound: change the siren sound:
TAP II FUNCTIONS TAP II FUNCTIONS
S Se elle ecctto or r F Fiirrsst t H Ho orrn n S Se ecco on nd d H Ho orrn n
S Sw wiittcch h R Riin ng g T Ta ap p R Riin ng g T Ta ap p
P Po ossiittiio on n P Prro od du ucce es s P Prro od du ucce ess
W Wa aiill Y Ye ellp p W Wa aiill
Y Ye ellp p W Wa aiil l Y Ye ellp p
4-6 4-6.. PR PRES ESS A S AND ND HOL HOLD F D FUNC UNCTI TIONS ONS..
Additional alternate sounds Additional alternate sounds can be activated in can be activated in
two other Selector switch positions, by depressing two other Selector switch positions, by depressing
and holding the horn ring for as
and holding the horn ring for as long as the alternate long as the alternate
sound is desired. The chart below shows these sound is desired. The chart below shows these
additional “Press and Hold” functions:
additional “Press and Hold” functions:
PRESS PRESS AND AND HOLD HOLD FUNCTIONS FUNCTIONS
S Se elle ecctto orr P Prre esss s o on n R Re elle ea asse e o of f
S Sw wiittcch h H Ho orrn n R Riin ng g H Ho orrn n R Riin ng g
P Po ossiittiio on n P Prro od du ucce ess P Prro od du ucce ess
H Hii--L Lo o A Aiir r H Ho orrn n H Hii--L Lo o
M Ma an nu ua all P Pe ea ak k a an nd d C Co oa asst t d do ow wn n
H Ho olld d o orr a an nd d ssiille en ncce e
Air Horn Air Horn or silence or silence
Figure 4-1. Front View. Figure 4-1. Front View.
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