334 BIIS OPERATION■ Stun functionWhen the specified ID, set as a killer ID, is received, the stun func-tion is activated.When the killer ID is received, the transceiver switches to the pass-code required condition. Entering of the passcode via the keypad isnecessary to operate the transceiver again in this case.■ BIIS indicationThe following indications are available for the BIIS operation on anMSK channel.: Individual/group call is successful.: Message (status or SDM) transmission is successful.: No answer back is received.: Appears during retry of the call (2nd call).: End the communication.: Operating channel is in the busy condition.■ Priority A channel selectionWhen one of the following operations is performed, the transceiverselects the Priority A channel automatically.Priority A is selected when;• Clear down signal is received/transmitted- Set the “Move to PrioA CH” item as “Clear Down”.• Turning the power ONThe Priority A channel is selected each time the transceiverpower is turned ON.• Status callThe Priority A channel is selected when transmitting a status call.- Enable the “Send Status on PrioA CH” item in the MSK con-figuration.