264 BIIS OPERATIONAuto emergency transmission■When [Emergency Single (Silent)] or [Emergency Repeat(Silent)] is pushed, an emergency signal is automaticallytransmitted for the specified time period.The status 22 (Emergency) is sent to the selected ID station,and the position data is transmitted after the emergency sig-nal when a GPS receiver is connected to the transceiver.The emergency transmission is performed on the emer-gency channel, however, when no emergency channel isspecified, the signal is transmitted on the previously selectedchannel.There is no change in the function display or beep emissionduring automatic emergency transmission.Stun function■When the specified ID, set as a killer ID, is received, the stunfunction is activated.When the killer ID is received, the transceiver switches tothe password required condition. Entering of the passwordvia the keypad is necessary to operate the transceiver againin this case.BIIS indication■The following indications are available for the BIIS operationon an MSK channel.: Individual/group call is successful.: Message (status or SDM) transmission is suc-cessful.: 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 selection■When one of the following operations is performed, thetransceiver selects 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 trans-ceiver power is turned ON.• Status callThe Priority A channel is selected when transmitting astatus call.- Enable the ‘Send Status on PrioA CH’ item in the MSKconfiguration.