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E-2

Input Clipping 
[AF1 / AF2]

If the AF signal AF1 or AF2 exceeds the maximum permissible input 
level, the amplitude is limited. This is signaled by the Input Clipping sta-
tus display.

NICAM 728 Datas-
tream

Indicates that a NICAM 728 data stream is present

Nominal Level FM/
NICAM [AF1 / AF2]

Used to set the nominal input level for the AF signal AF1 or AF2

Gain Adjustment 
NICAM [AF1 / AF2]

Used to adapt the nominal input level for the AF signal AF1 or AF2 
which is fed to the integrated NICAM coder

Preemphasis [FM]

Used to switch the pre-emphasis required by the respective TV standard 
(50 

s or 75 s) on or off for FM sound

Preemphasis 
[NICAM]

Used to switch the pre-emphasis required by the TV standard on or off 
for NICAM sound

Lowpass [FM]

Used to switch a low-pass filter on or off for FM sound

Current Input Level 
FM [AF1 / AF2]

Indicates the current input level at the FM sound modulator for the AF 
signal AF1 and AF2 as a percentage of the maximum drive level

Current Input Level 
NICAM [AF1 / AF2]

Indicates the current input level at the NICAM coder for the AF signal 
AF1 and AF2 as a percentage of the maximum drive level

Input Clipping FM 
[AF1/AF2]

If the AF signal AF1 or AF2 exceeds the maximum permissible input 
level, the amplitude is limited. This is signaled by the Input Clipping sta-
tus display.

Input Clipping NICAM 
[AF1 / AF2]

If the AF signal AF1 or AF2 is amplified beyond the permissible input 
level at the NICAM coder, the amplitude is limited. This is signaled by 
the Input Clipping NICAM status display.