5-Tone Signaling 21Call AcknowledgementAfter you have made a 5-tone call, you may hear anacknowledgement tone, beep, or series of tonesfrom your radio, indicating that your call has beenreceived. If you do not hear a tone, either: the called radio is incapable of generating anacknowledgement, or the called radio is turned off, or the called radio is out of range of your call.Your radio may also be programmed to display thestatus of the called radio:Note: If any control head activity isdetected before any of the above messagesare displayed, the acknowledgementsequence is no longer expected, and any acknowl-edgement messages received will no longer be dis-played.Making a5-Tone GroupCallYour radio may be programmed so that you canmake 5-tone calls to a group of radios. When agroup call is sent, there is no acknowledgementtone from any of the other users.DisplayReadsMeaningNO ACK No acknowledgement sequence from thecalled radio was detected.NO STAT An acknowledgement sequence was detectedbut no status information was decoded.a statusmessage e.g.AT LUNCHAn acknowledgement sequence was detectedand the decoded status number can be identi-fied.a statusnumber e.g.21An acknowledgement sequence was detectedbut the decoded status number cannot beidentified.