Sennheiser Rack-mount Receivers EM 2050 - Manual (Page 24)

Adjustment tips and functions
23
The squelch should only be switched off for servicing purposes. With the squelch threshold
set to “5 dB”, you switch the squelch off by turning the jog dial to the left and keeping it in
this position for 3 seconds.
If you have accidentally switched off the squelch:
̈
Turn the jog dial to the right to switch the squelch on.
Scanning for, releasing and selecting frequency presets
If you call up the “ Scan New List ” menu item, your receiver scans for unused frequency presets.
After the scan, the receiver displays a list of the frequency banks and their unused channels. The
frequency bank with the largest number of unused channels is automatically selected.
To perform a frequency preset scan:
Display Squelch is ...
... switched on
The dotted line displays the squelch threshold.
... switched off.
The dotted line goes off and the audio level
display “
AF ” shows full deflection (hissing noise).
Menu
Exit
Squelch
Frequency Preset
PEAK
-10
0 40
30
20
10
-20
-30
-40
AF RF
20
10
RF 1 dB
Menu
Exit
Squelch
Frequency Preset
PEAK
-10
0 40
30
20
10
-20
-30
-40
AF RF
20
10
RF 1 dB
Squelch
Easy Setup
Frequency Preset
Name
AF Out
Equalizer
Auto Lock
Advanced
Exit
Menu
Menu item Function of the menu item
Reset List Releases all locked frequency presets
Current List Selects an unused frequency preset
Scan New List Automatically scans for unused receiving frequencies (frequency preset
scan)
If receiving frequencies are used, they will be locked; if receiving frequen-
cies are unused, they will be released. After the frequency preset scan, you
can select an unused frequency preset.
You can call up the list containing the frequency banks again by selecting the
“
Current List ” menu item.
516...580 MHz
Scan New List
.........
„Stored“ 531.375 MHz
B.Ch: 20. 24
Sync
Menu
Squelch
Easy Setup
Frequency Preset
PEAK
-10
0 40
30
20
10
-20
-40
AF RF
-30
Easy Setup
Current List
Scan New List
Exit
PEAK
-10
0 40
30
20
10
-20
-40
AF RF
-30
PEAK
-10
0 40
30
20
10
-20
-40
AF RF
-30
Easy Setup
Bank 19
Bank 20
Bank U1
PEAK
-10
0 40
30
20
10
-20
-40
AF RF
-30
Free: 24
Easy Setup PEAK
-10
0 40
30
20
10
-20
-40
AF RF
-30
ew300 G3
Easy Setup
Reset List
Current List
Scan New List
PEAK
-10
0 40
30
20
10
-20
-40
AF RF
-30
Call up “Easy Setup” Call up “Scan New List” The frequency preset
scan is performed
Set the channel;
store the setting Select and call up
a frequency bank “Easy Setup”
menu item