Rontan RT-1000 Owner's manual

RT-1000
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Introduction
The RT-1000 is a 50W / 100W amplifier created to command all the visual and
acoustic functions of a vehicle adapted with lightbar(s) and siren. It possesses digital
input and outputs that permit the activation of these functions as well as intelligent
battery consumption management.
General Description
Siren of 100W RMS (speaker of 11Ω) or 50W RMS (speaker of 8Ω);
Made for operation in 12Vor 24V systems (2 distinct models);
Radio input;
Input for the signal of the siren selection (undercover vehicles);
Twenty-one command keys with LED activation indicator;
Four LEDs that indicate the operational state;
External fuse in the rear panel;
Hands free input and output;
Eight digital outputs (250 mA);
Input for Pos-Ignition;
Input for the I-Saver (automatic shut-off after 4 hours);
Input for activation of the backlight of the panel;
Digital communication interface with Rontan lightbars;
Battery management system;
Digital Radio Volume control.

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Safety Message
WARNING
Before beginning installation of your device, it is important to read these
instructions for the safe/correct installation and operation of this product.
Proper installation of this product requires the installer have good
understanding of automotive electrical systems and procedures.
DO NOT route any wires in the deployment path of your airbag. Refer to the
vehicle owner’s manual for the airbag deployment area.
DO NOT drill any holes into the device.
If it is necessary to perform a battery charge with an auxiliary car battery, it is highly
recommended to disconnect the alimentation of the product to avoid a surge in
voltage that may damage the unit and the electrical system of the vehicle. DO NOT
jumpstart the vehicle with the battery connected to the siren and lightbar system.
Auxiliary lights and sirens are intended for use by authorized personnel only.
The user has the responsibility to ensure they operate the emergency warning
devices in compliance with the applicable laws and regulations.
File these instructions in a safe place and refer to them when performing
maintenance and/or reinstallation of this product.
Failure to follow all safety precautions could result in damage to the product
and vehicle or serious injury to individuals!

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Application
The RT-1000 is an amplifier that can be installed in diverse vehicles like
ambulances, rescue vehicles, patrol vehicles, service vehicles or whatever other vehicle
needs visual or acoustic communication, and can be used to control:
Lightbars;
Auxiliary lights;
Strobe lights;
Takedown and alley lights;
Directionalstick lights for controlling traffic.
Front Panel
The front panel is a keyboard composed of 21 keys for momentary or permanent
(Figure 1) activation according with each function, through which the user commands
the functions of the equipment.
Figure 1: Front panel

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Rear Panel
The Rear Panel of the RT1000 possesses 8 connectors identified below:
Figure 2: Rear Panel
Connector
Function
Pin
Wire Color
Description
Power
1
Black
Negative terminal of the battery
2
Red
Positive terminal of the battery
Siren output
1
Brown
50 or 100W Common GND
2
Green
Output for the 50W siren
3
Yellow
Output for the 100W siren
Lightbar and
Hands Free
1
Yellow
Lightbar
2
Orange
Lightbar
3
-
Not used
4
Blue
N.C. of the Relay
5
Grey
N.O. of the Relay
6
White with blue
COM. Activation of relay and Hands Free functions
Inputs
1
Orange
Input 1 –Activate flash pattern SL3 in the lightbar
2
Yellow
Input 2 –Activate siren sound HORN
3
Green
Input 3 –Activate siren sound MAN
4
Blue
External activation of siren sounds
5
Purple
Activation of the I-Saver function
6
Grey
Activates the illumination of the keys of the panel
7
White
Activates the cancelling of all the siren sounds
8
White with black
Input of the Pos-Ignition
9
Brown
Inputs of the radio connections
10
Brown
Outputs
1
-
Output 1 activated by key “1”
2
-
Output 2 activated by key “2”
3
-
Output 3 activated by key “3”
4
-
Output 4 activated by key “AUX1”
5
-
Output 5 activated by key “AUX2”
6
-
Output 6 activated by key “AUX3”
7
-
Output 7 activated by the function “Low-Bat”
8
-
Output 8 –Not used
Microfone PTT
-
Cable extension
Input for PTT microphone
Remote panel
Not used
Fuse
-
-
Blade type fuse 15A
Table 1: Description of the connectors

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Input/Output
Parameter
Condition and/or
version
Mín.
Max.
Unit
VS
Power Voltage
12V
10,8
14,7
V
24V
21,9
29,4
IS
Power Current
12V
-
9,5
A
24V
-
4,2
I Stby
Standby Current
12/24V
<0,001
A
V IGN
Ignition Input Voltage
12/24V
>1,8
V
V BCKLT
Backlight Input Voltage
12/24V
>1,8
V
V Radio
Audio Voltage of the Radio Input
12/24V
-
5
Vpp
I-Out1 - 8
Output Current –Outputs 1 to 8
12/24V
-
250
mA
V OUT SIR
50W Siren Output Voltage
12/24V
-
44
Vpp
100W Siren Output Voltage
-
69
P OUT SIR
Siren Output Power
12/24V @ VS Max.
(output 50W/8Ω)
-
50
W
RMS
12/24V @ VS Max.
(output 100W/11Ω)
-
100
T Stg
Storage Temperature
-
-20
80
ºC
Table 2: Electrical and Thermal Characteristics
Compatibility
The RT-1000 is a device compatible with Rontan digital lightbars.
Installation
The installation of this equipment should be accomplished by an experienced
technician to avoid accidents and damage to the equipment and vehicle.
Carefully read these chapters carefully before beginning installation.

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The instructions contained in these chapters guarantee the minimum safety
conditions for the installation of this equipment.
Conexões e Chicotes
Together with the equipment are supplied pigtails with connectors to make each
wiring harness. (Example shown in the enhanced area in figure 3). It is of extreme
importance that the sections about wires in Table 3 be respected and followed closely.
Connection
Wire
Section
Voltage
14 AWG
2.0 mm²
Siren Output
14 AWG
2.0 mm²
Connector 1
20 AWG
0.5 mm²
Connector 2
20 AWG
0.5 mm²
Table 3: Section of the wires for connection
A fuse should be added to the wiring harness (Figure 3) close to the battery to
prevent damage to the electrical system of the car by short circuit.
Figure 3 –Connections and wiring harnesses

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Diagram of connections for the Panel of the Vehicle
Figure 4: Diagram of the basic connections
External Siren (input of signal for siren selection)
This input is a signal to select between tones of the siren, normally it is used in
undercover vehicles. This should be connected to a ground through a momentary
selection switch, each pulse of this switch will navigate between the tones Pierce > Yelp
> Hi-Lo > Wail > Off. Maintaining the switch pressed for more than a second and a half,
turns the siren off.

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Basic connection diagram:
Figure 5: External siren Figure 6: External siren
Connection Schematic Switch Connection Schematic
Sequence
Tones
1
PIERCE
2
YELP
3
HI-LO
4
WAIL
5
OFF
Table 4: Sequence of tones –External siren
Input External Siren
Ação
12/24V
None
Open (avoid)
None
Pulsed to GND
Change siren tone
Table 5: Input logic of the External Siren
Input for Hands Free function
The RT1000 possesses a button in the front panel used to activate the Hands
Free function. When this function is active the internal relay will be activated,
deactivating the horn, and making the horn button function as the siren selector
according to table 6.
NOTE: When this function is active, the vehicle horn will not function.
To deactivate the Hands Free function, press the same button on the panel again.

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Basic connection diagrama:
Figure 7: Connection Schematic
Sequence
Types of sounds
1
WAIL
2
YELP
3
HI-LO
4
PIERCE
5
OFF
Table 6: Sequence of the siren sounds
IGNITION input
The IGNITION input should be connected to the vehicle key switch, in the fashion
that the equipment only functions when the key switch is on. If the user does not want
to use this function, this input should be connected to power (+12 or +24V). Table 7
shows the logical functioning of the input together with the I-Saver feature.
I-Saver Input
If this input is activated the moment that the function IGNITION is activated, the
siren will wait for 4 hours before deactivating. This function is activated when
connected to the battery positive.
IGNITION Input
Status of the RT-1000
with the I-saver input
OPEN or GND
Status of the RT-1000
with I-saver on +BAT
+ BAT
On
On
Open (avoid)
Off
Waits 4 hours before
turning off
GND
Off
Waits 4 hours before
turning off
Table 7: Logic of the IGNITION and I-SAVER inputs

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Figure 8: Schematic of connection of the function IGNITION together with I-SAVER
BACKLIGHT Input
The BACKLIGHT input should be connected to the headlight power when you
wish to have the backlight illuminated when the vehicle headlights are on. Table 8
shows the logical function of the input.
BACKLIGHT INPUT
BACKLIGHT
+BAT
On
Open (avoid)
Off
GND
Off
Table 8: Logic of the BACKLIGHT input
Battery management function:
The LED indicator of the low battery will be activated if the power voltage reaches
the critical level of 10.9V for the 12V model and 21.9V for the 24V model, for more than
25 seconds. At this voltage it is still possible to start the vehicle. Once the LED is on, all
the functions are turned off. Take this chance to start the vehicle to recharge the
battery.
IMPORTANT: In situations when it is necessary to use the functions of the RT-
1000, even when the battery is low, the users need simply press the button of the
function he/she desires and the equipment will function as normal. The Low Bat LED
will remain lit until the level of the battery is 13.3V for the 12V model and 26.6 for the
24V model.
Low Bat LED indicator