Radio Shack CT-503 - Manual (Page 8)

8
Signal Strength Indicator
Indicates the relative strength of the signal being received by
your phone.
See “Signal Strength/Service Area” on Page 15 .
Battery Charge Indicators
Represent the current voltage level of the battery. See
“Checking Battery Power” on Page 12 .
IU (In-Use) Indicator
Flashes when a call is in progress.
17-1112.fm Page 8 Wednesday, July 21, 1999 2:34 PM