Installation & Service manual
VSS system
A100K10874
5
1.
Remove cover for access to the potentiometer marked squelch. Use a screwdriver.
2.
In case of higher noise threshold level than factory adjusted.
Turn potentiometer clockwise until the undesirable sound source not activates the system.
3.
Increase the signal from the sound source with approx.3 dB.(To simulate the real sound
source) and check if the system activates. If yes the setting is successful,
replace the pot. cover.
4.
In case of lower noise threshold level than factory adjusted.
Turn anticlockwise until the undesirable sound source not activates the system.
5.
Increase the signal from the sound source with approx.3dB.(To simulate the real sound
source) and check if the system activates. If yes the setting is successful,
replace the pot. cover.
5. Operation of the system
Activate the system by the VSS-111 power ON/OFF switch.
Adjust the listening level of the received sound by the VOLUME control. The sound pressure
level shall at least be 10 dB(A) above the bridge noise level.
The reproduction of the sound signal inside the bridge
(Note. When windows and doors are left open, howling may result. The volume must then be
turned down until the howling stops).
Adjust the LED`s intensity level by use of the DIMMER control
Sound signals outside the bridge will be heard in the
loudspeaker and the approximate direction or sector for
the incoming sound signal will be indicated by two of
the front LED`s as illustrated below:
6. Specifications
Order no: VSS-111
Order no: VSS-222
Main Unit
Power:
24
VDC
Freq.range:
70 - 820 Hz
S/N ratio:
> 60 dB
THD-N:
> 1 %
Connection:
Screw
terminals
Coulor/finish:
Black
Material: Anodized
Al.
IP:
44
Dimensions (mm):
280 x 140 x 90
260 x 122 panel cut-out
Weight:
1.0
kg
Microphone
Element: RE50
ElectroVoice.
Type:
Dynamic
Freq.response:
80 - 13000 Hz
Polar pattern:
Omnidirectional
Impedance:
150
ohms
Coulor/finish:
Grey
Material: Anodized
Al.
IP:
56
Mounting:
Bracket (stainless steel)
Termination:
Cable
1.5m
Dimensions (mm):
110 x Ø40
150
x
Ø40
w/bracket
Weight:
1.0
kg
