Black
Red
Grey
PW-50
PW-50
V5
V5
OPERATING PROCEDURES
All of the equipment's functions are managed through a six button keyboard (see fi gure
below). Operate the buttons with your fi ngertips; do not use objects to press them.
Volume UP
Manual WAIL
HORN
Volume DOWN
ACTIVATING FUNCTIONS
Intercom*
ON: press & release
OFF: press &
release
INTER enables hearing exterior sounds
through the internal speaker.
If during 5 minutes the equipment does
not detect any activity, INTER function
turns off (Automatic Shut Down, ASD).
Public Address "PA"*
ON: press & hold
OFF: release
PTT allows the driver to communicate
to the exterior through the keypad
microphone.
For a more private communication (lower
exterior volume: PTT/INTER), press PTT
while in INTER mode. For a more public
communication (louder exterior volume:
PTT/PA), press PTT while in SIREN, AUX
SIREN or stand-by (with INTER off) mode.
Both volumes are set following the same
keypad procedure.
Siren - WAIL tone
ON: press & hold
OFF: release
Activates the reproduction of the WAIL
siren tone.
*
If acoustic feedback occurs while INTER or PTT are on, AFC (Automatic Feedback Control) will trigger to prevent
feedback. AFC is further explained ahead in this manual.
SIREN
INTER
PTT
MIC
AUX
Siren - SIREN tone
ON: press & release
OFF: press & release
Activates the reproduction of the tone
selected for SIREN.
Auxiliary
ON: press & release
OFF: press & release
AUX function either turns on an auxiliary
siren tone "AUX SIREN" or activates an
auxiliary load "AUX LOAD", depending on
the subfunction assigned to it.
Siren - HORN tone
ON: press & hold
OFF: release
Activates the reproduction of the HORN
tone.
5
5