Sony Ipela PCS-G60 Operating Instructions Manual page 192

Connection status
Split
(fixed)
Voice Activate
Broadcast Select
Note
Only the "Voice Activate" mode is supported during cascade connections.
192
Using the Display Control
Non-cascade connection
2 or 3
terminals
connected
4 or 5
Six-split window
terminals
connected
Full screen
Full screen
Cascade connection
–
Full screen
–
–
–