10-2
53SL ES Series Mobile Radio Operating Manual April 2009
Supervisory Tones
Section 10 - Tones & Error Messages
• Dynamic regrouping has been exited but the dynamic regrouping channel is still
selected (Section 7.12).
Single Short Medium-Pitch Tone
• A valid key has been pressed.
Single Short Low-Pitch Tone
• An invalid key has been pressed.
Medium Tone (No Acknowledge)
• The paged mobile did not acknowledge the page (Section 7.6).
• The message that was sent has not been acknowledged (Section 7.7).
• The status condition that was sent has not been acknowledged (Section 7.8).
Five Beeps (Recurring)
• The page was received (Section 7.6).
Two Short Tones
• A unit-to-unit call was received (Section 7.6).
Five Beeps
• The paged mobile received the page and acknowledged it (Section 7.6).
• The message that was sent has been received and acknowledged (Section 7.7).
• The status condition that was sent has been received and acknowledged (Section 7.8).
Four Beeps
• The emergency alarm condition was acknowledged (Section 7.9).
• Four low beeps indicate the call back mode (the system is no longer busy).
