Sennheiser EM 2000 User Guide
Adjustment tips and functions
22
During the soundcheck, the receiver records the RF level and the AF level. The recording result
is displayed on the “
is displayed on the “
Soundcheck
” standard display:
The main menu “
Menu
”
Adjusting the squelch threshold
Adjustment range: 5 to 25 dB
μV, adjustable in 2-dB steps, can be switched off
The squelch eliminates annoying noise when the transmitter is switched off or when there is
no longer sufficient transmitter power received by the receiver.
no longer sufficient transmitter power received by the receiver.
왘
Adjust the squelch threshold – with the transmitter switched off – to the lowest possible
setting that suppresses hissing noise.
setting that suppresses hissing noise.
PEAK
-10
0
-20
-30
-40
-30
-40
AF
40
30
20
10
RF
P
AF Max
Soundche
20.32 ew5
543.20
RF Max
RF Min
Display
Meaning
What to do ...
RF Min
Min. RF signal level:
must be well above the squelch
threshold level for one of the two
antennas
threshold level for one of the two
antennas
왘
Check if the antennas and the
antenna cables are correctly
connected.
antenna cables are correctly
connected.
왘
Improve the position of the
antennas.
antennas.
왘
If necessary, use antenna boosters.
RF Max
Max. RF signal level:
both antennas should reach 40 dB
μV
AF Max
Max. audio level
왘
On your transmitter, adjust the
audio level as high as possible
(max. 0 dB) without the level
display for audio level showing
full deflection (AF Max is at a level
with the PEAK display).
For more information, refer to the
instruction manual of the trans-
mitter.
audio level as high as possible
(max. 0 dB) without the level
display for audio level showing
full deflection (AF Max is at a level
with the PEAK display).
For more information, refer to the
instruction manual of the trans-
mitter.
Squelch
Easy Setup
Frequency Preset
Name
AF Out
Equalizer
Auto Lock
Advanced
Exit
Name
AF Out
Equalizer
Auto Lock
Advanced
Exit
Menu
Squelch
5
dB
Select the
desired setting
desired setting
Squelch
7
dB
Store the setting
Menu
1 dB
Call up “Squelch”
Exit
Squelch
Frequency Preset
“Stored”
PEAK
-10
0
40
30
20
10
-20
-30
-40
-30
-40
AF
RF
PEAK
-10
0
40
30
20
10
-20
-30
-40
-30
-40
AF
RF
PEAK
-10
0
40
30
20
10
-20
-30
-40
-30
-40
AF
RF
CAUTION!
Danger of hearing damage and material damage!
If you switch the squelch off or adjust the squelch threshold to a very low value, loud hissing
noise can occur in the receiver. The hissing noise can be loud enough to cause hearing damage
or overload the loudspeakers of your system!
noise can occur in the receiver. The hissing noise can be loud enough to cause hearing damage
or overload the loudspeakers of your system!
왘
Always make sure that the squelch is switched on.
왘
Before adjusting the squelch threshold, set the volume of the headphone output (see
page 14) and the audio output level to the minimum (“
page 14) and the audio output level to the minimum (“
AF Out
”, see page 25).
왘
Never change the squelch threshold during a live transmission.
If you adjust the squelch threshold to a high value, the transmission range will be
reduced under adverse RF reception conditions.
reduced under adverse RF reception conditions.