Extron electronics VoiceLift Installation Manual page 42

h.
Lower the volume on the microphone to an
appropriate level:
• The level of your speaking voice should be
enhanced, but not loud enough to sound
like a paging system.
• Check the LEDs on the PVS switcher. The
green Normal LED should light when you
speak, with the red Peak LED blinking
occasionally.
NOTE: The microphone audio should be
barely audible to the person speaking
into it. Have another person listen for
the audio levels and check for sound
quality.
3. Complete the installation.
a. Test any optional devices that have been
installed.
b.
Complete the mounting and installation of the
PoleVault switcher if necessary.
36 VoiceLift System with PVS 405D Installation Guide • Installation — Stage 5
Level set too high.
Lower input gain.
PEAK
Level has been
NORMAL
properly adjusted.
SIGNAL Signal threshold
-20 dBV (-18 dBu)
Check the PVS switcher LEDs while lowering
#
the microphone volume.
IN
PO PU
12 WE TS
3A V R
PVS 405D MA 1/ 2
X
SIG OU
TP UT
LIN K 3/ 4
AU
SIG DI
O
LIN K L OU T
PV HD
Switcher T IN MI R PA
SE GI NG
NS PV
PV OR S 40
T IN
IN PU 5S
L T 5 A IP
R +V
AU VO
X IC EL
IF T
Cable Access Slot
Projector
Pole
Complete the mounting of the PVS 405D.
Ý
Power Cord Slot
Power Supply
AM
PL
DO IF IE
GR NO D AU
OR OU ND T DI
SP SH EA OR O OU
OV OU TP KE T L T
ER UT R 4/8
PV S Ω R
IR T
RE M OT
RS -23 E
S 2 LA N
G 1
Tx Rx
G LA N
2
LA
N 3
Cable Slot
Cover