173 BASIC OPERATION■ Emergency transmissionWhen [Emergency] is pushed for the specified time period*,the emergency signal is transmitted once, or repeatedly, onthe specified emergency channel.A repeat emergency signal is automatically transmitted untilthe transceiver receives an acknowledgement signal, or youturn the transceiver power OFF.When no emergency channel is specified, the signal is trans-mitted on the operating channel.If you want to cancel the emergency call, push and hold[Emergency] again before transmitting the call.If your transceiver is programmed for Silent operation, youcan transmit an Emergency call without the beep soundingand the LED indicator lighting.IMPORTANT: It is recommended to set an emergencychannel individually to provide the certain emergency calloperation.* Depending on the presetting. Ask your dealer for details.D NOTESDepending on the presetting, the following functions are auto-matically activated. Ask your dealer for details.• Auto TX functionAfter the emergency call transmission, audio from the micro-phone is automatically transmitted for a specified time pe-riod.*• Auto RX functionAfter the emergency call transmission, the transceiver standsby in the audible mode for the specified time period.*