Rane Music Pedal G4 Manual Do Utilizador

Página de 6
Active / Bypass switch
The Active / Bypass switch bypasses or activates dynamics 
processing for each channel. Side-chain metering and Listen 
continue to operate in Bypass. Bypass switches remain indepen-
dent in Link mode.
Gate / Duck / Expand mode switch
The G4 has three modes of operation: GateDucker or down-
ward Expander. See the Operation section on page Manual-4 
for operation details of each mode.
Threshold
In Gate mode, THRESHOLD sets the key level below which 
the Gate is closed.
In Expand mode, THRESHOLD sets the key level below 
which downward expansion takes place.
In Duck mode, THRESHOLD sets the key level above 
which the signal is ducked.
Attack
In Gate mode, ATTACK determines how quickly the Gate 
opens when the key signal goes above the set threshold.
In Expand mode, ATTACK determines the rate of gain in-
crease as the key signal moves toward or above the set threshold.
In Duck mode, ATTACK determines how quickly the 
signal is ducked as the key signal goes above threshold.
Front Panel Controls
Meters
The  eleven-segment SIDE-CHAIN signal meter indicates 
level relative to the Threshold (dBr), allowing easy and intuitive 
adjustment of the Gate threshold. The Threshold indicator TH 
is lit whenever the filtered side-chain signal is at or above the 
set threshold. The signal peak value is held briefly to assist in 
setting a proper threshold.
Meter ballistics follow the response of the side-chain detec-
tor. Gate and Duck modes use peak detection with instanta-
neous attack and 25 ms decay. Expand mode uses rms detection 
with an averaging time constant of 50 ms. 
Gate status is shown using a seven-segment gain reduction/
gate meter. This meter is effectively an expanded version of the 
simple “stop light” meter found on many gates. The inclusion 
of gain reduction metering allows the user to view the transi-
tion progress of the Gate and Ducker as well as the current gain 
reduction when in Expand mode. The CLOSED LED is not ac-
tive in Expand mode. The response of the gain reduction meter 
accurately follows the Attack/Hold/Release envelope.
With this combined metering system it is possible to see at a 
glance where the signal level is in relation to the threshold, and 
the amount of gain reduction being applied.
Stereo Link
Channels 1 and 2 may be Linked for stereo operation, as may 
channels 3 and 4. Channels 1 and 3 act as the Master when 
Linked, with channels 2 and 4 operating as Slaves to their 
respective Masters. When Linked, only the Master’s rotary 
controls and mode select switch are active. The Master controls 
the gain reduction of both channels.
Gate and Duck modes use look-ahead peak detection and 
the Master uses the larger of the two processed signals. In 
downward Expand mode, rms detection is used and the master 
uses the rms sum of the filtered side-chain signals. 
Side-chain bypass, Internal/External and Listen switches 
remain independent when channels are Linked. To trigger from 
only one key input, set the key source (INT/EXT) of the signal 
you wish to ignore to EXTernal and leave the rear panel side-
chain input disconnected.
Manual-2
6 12
-12 -6 -3 -1
3
1
-24
TH
CLOSED
OPEN
SIDE-CHAIN dBr
OL
MASTER
SLAVE
1
2
LINK
MASTER
SLAVE
3
4
LINK
BYPASS
ACTIVE
DUCK EXP
GATE
dBu
-60
-20 -10
-30
-40
-50
10
20
0
THRESHOLD
ms
250
50
25
100
0
ATTACK