A –  Temperature range
        High: H
        Low: L
B –  Heat mode
        Ready: R
        Rest:
        Ready-in-Rest: RR
C –  Ozone is running: O3
–  Filter cycle is running
        Filter cycle 1: F1
        Filter cycle 2: F2 (optional feature)
        Filter cycles 1 & 2 running together: F12
E –  Cleanup cycle is running
        (Optional Feature)
F – Panel is locked and/or
        Settings is locked
G – WiFi (local or cloud connection)
H –  Time-of-Day
I –  Secondary Button/Display
J – Invert Display

 

–  Settings
L –  BBA3 (Balboa Bluetooth Audio)
M – Light (or Chromazone if installed)
N – Spa
O –  Heater Status
P –  Messages (May Appear)

Information

Reminder

Error – normal error or warning

Error – spa will not function until fixed

Q – Water Temperature
R –  Water Temperature Bar
S –  Set Temperature Arrow

The system configuration determines the number of icons that may appear on the Main Screen. Your Main Screen may have fewer or different icons.