Viewing the display screen, Means your phone cannot find a signal, Indicates the call is on hold – Sanyo scp8300 User Manual

Page 12: Indicates a call is in progress, Indicates 1x services/10-4 access is available, Indicates 1x services/10-4 access is not available, Indicates 1x services/10-4 access is active, Indicates you are on an analog service network, Indicates you have missed voice calls, Indicates you have missed 10-4 calls