user manual
FSN Series • User’s Guide  • Rev 01 315
7. Operations
Understanding Tally
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Buttons on the KEY, BG and PST buses obey the following rules with regard to tally:
• Backlight — All buttons in the bus rows are normally dim, at the selected 
backlight level (as set on the 
User Preferences Menu). When a button is 
selected, it turns bright.
• Tally — PGM Bank 
~ Selected buttons on PGM are bright red. 
~ Selected buttons on PST are bright green.
~ Selected buttons on the phantom key bus are bright green when the 
DSK is off, and bright red when the DSK is on.
~ During the transition interval of a MIX or WIPE, buttons on PST are bright 
red. The source turns red the moment the 
PST bus contributes to the 
bank’s output, and stays red until the transition completes. 
• Tally — M/E Bank (no re-entry into PGM) 
~ Selected buttons on BG are bright coral. 
~ Selected buttons on PST are bright green.
~ Selected buttons on the KEY bus are bright green when the key is off, 
and bright coral when the key is 
on. 
~ During the transition interval of a MIX or WIPE, buttons on PST are bright 
coral. The source turns coral the moment the 
PST bus contributes to the 
bank’s output, and stays coral until the transition completes. 
• Tally — M/E Bank (re-entry into PGM) 
~ Selected buttons on BG are red. 
~ Selected buttons on PST are bright green.
~ Selected buttons on the KEY bus are bright green when the key is off, 
and bright red when the selected key is 
on. 
~ During the transition interval of a MIX or WIPE, buttons on PST are bright 
red. The source turns red the moment the 
PST bus contributes to the 
bank’s output, and stays red until the transition completes. 
Note
The red LED above the DSK button (in the Next Transition 
Group) turns bright when the DSK is on and contributing to 
the bank’s output.
Note
For both re-entry and non re-entry conditions, the red LEDs 
above the Key 1 and Key 2 buttons (in the 
Next Transition 
Group
) turn bright when keys are on, and contributing to the 
bank’s output.










