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Key Fader Control Block
The key fader control block is used to execute independent 
key transitions and for key snapshot operations.
a Key delegation buttons
These buttons select the target key to operate.
The four buttons are key delegation buttons 1 to 4 in the 
order top left, top right, bottom left, and bottom right.
You can assign a key (KEY1 to KEY8) of any switcher 
bank (M/E-1 to M/E-5, PGM/PST) in the Setup menu.
For details, see “Setting the Buttons and Fader Levers on 
the Key Fader Control Block” (page 409).
b Display
The following information is displayed for the four keys 
assigned to the key delegation buttons.
• Key material name (key source name when a key source 
is selected on the key bus of the cross-point control 
block)
• DME channel or resizer being used
• Transition rate
• Transition type
• In key snapshot operation mode, the register name of the 
key selected using the key delegation button
c Key snapshot operation buttons
Recalls and saves key snapshots.
d Independent key transition type selection buttons
These select the independent key transition type.
•MIX button
• WIPE button
•DME WIPE button
• CUT button
When [Independ] is selected in the <Key Transition> 
group of the Engineering Setup >Switcher >Transition 
menu (7334), you can set the transition type used when 
inserting and removing a key.
If the transition type used when inserting a key is 
displayed, you can select the transition type used when 
removing a key by pressing and holding the [SHIFT] 
button and pressing an independent key transition type 
selection button. If the transition type used when removing 
a key is displayed, you can select the transition type used 
when inserting a key using the same operation.
b Display
c Key snapshot operation buttons
e Independent key transition execution section
a Key delegation buttons
d Independent key transition type selection 
buttons
Button name Description
K-SS 1 to K-SS 4 (key 
snapshot 1 to key 
snapshot 4)
Selects key snapshot register 1 to 
4.
K-SS (key snapshot) • Switches to key snapshot 
operation mode.
• Recalls and saves a key 
snapshot.
K-SS STORE (key 
snapshot store)
Pressing and holding the [K-SS 
STORE] button and pressing the 
[K-SS 1] to [K-SS 4] buttons saves 
the key snapshot in the selected 
register.
UNDO After recalling a key snapshot, 
returns to the state before the key 
snapshot was recalled.
Button name Description