Code 3 MasterCom B Series - Manual (Page 4)

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Remote Siren Switching - The siren accepts either a positive or a ground (earth) signal, usually from the
vehicle's horn switch (or other user supplied switch), and remotely activates the MANUAL or AIR HORN (if
supplied) function. Selection is made via the front panel slide switch.The siren is factory set for a GND
(Earth) signal and may be reconfigured to accept a positive signal. See Set-up and Adjustments section
for details.
Tone Priority/Manual Wail - The following tones are produced while pushing the MANUAL Push-button or
triggering the user-supplied REMOTE siren switch:
Manual Wail when the MANUAL Push-button is depressed while the rotary switch is in the STANDBY position.
Yelp when the MANUAL Push-button is depressed while the rotary switch is in the WAIL position.
HyperYelp when the MANUAL Push-button is depressed and the rotary switch is in the YELP position.
HyperLo when the MANUAL Push-button is depressed and the rotary switch is in the HI-LO position.
Noise Cancelling Microphone - Wired in microphone that is easily unplugged internally for service or
replacement.
Power Distribution Section - A three level progressive
switch for primary warning light system control plus 4 push-
on/push-off auxiliary switches that are user convertible to
momentary action ('L4 models). The unit may also be
purchased with 6 auxiliary switches ('L6 models).
Each auxiliary switch can be custom labeled with the
supplied label kit. Each label is backlit and increases
intensity when activated to alert the operator. Each position
of the progressive switch has its own indicator LED.
Horn Ring Transfer - ('L models only) Built in horn transfer
relay that may be activated at Levels 2 and 3 of the warning
light progressive switch. Point of activation is customer
selectable with the rear panel DIP switch.
Unpacking & Pre-installation
After unpacking your 3890 series siren, carefully inspect the unit and associated parts for any damage that may
have been caused in transit. Report any damage to the carrier immediately
All devices should be mounted in accordance with the manufacturer’s instructions and
securely fastened to vehicle elements of sufficient strength to withstand the forces applied
to the device. Ease of operation and convenience to the operator should be the prime
consideration when mounting the siren and controls. Adjust the mounting angle to allow
maximum operator visibility. Do not mount the Control Head Module in a location that will
obstruct the drivers view. Mount the microphone clip in a convenient location to allow the
operator easy access. Devices should be mounted only in locations that conform to their
SAE identification code as described in SAE Standard J1849. For example, electronics
designed for interior mounting should not be placed underhood, etc.
Controls should be placed within convenient reach of the driver or if intended for two
person operation, the driver and/or passenger. In some vehicles, multiple control switches
and/or using methods such as "horn ring transfer" which utilizes the vehicle horn switch to
toggle between siren tones may be necessary for convenient operation from two positions.
Controls should be placed within convenient reach* of the driver or if intended for two
person operation the driver and/or passenger. In some vehicles, multiple control switches
and/or using methods such as “horn ring transfer” which utilizes the vehicle horn switch to
toggle between siren tones may be necessary for convenient operation from two positions.
Figure 2
WARNING!
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