18 Connection for emergency recordingWhen the external switch is turned ON, emergency recording will be started.Recording time and recording rate for emergency recording differ according to the settings of "Emergency REC" on the setupmenu. (Refer to the setup instructions (PDF) for further information about the setup menu.) Connection for external recording changeoverWhen the external switch is turned ON, the program changeover is affected for recording.The program can be set by selecting "EXT" for "Time Table" of "Schedule" on the setup menu. (Refer to the setup instructions(PDF) for further information about the setup menu.) Connection for the Auto Adjust Time function• When "Auto Adjust Time" of "Time & Date" of "System" on the setup menu is set to "MASTER""Time Adjust Output" becomes available and the clock of this unit can be applied to other units.The time adjust output signal will be supplied from pin no.20 to other unit at the time set for "Time & Date" ("System" – "Time &Date" – "Time & Date").Terminal block of other unit(Time adjust output)(Earth)ALARM/CONTROL(Earth)Sensor inputAlarm inputAlarm reset inputSeries recording inputTime adjust input(Earth)Alarm outputAlarm reset outputAlarm recordingDuring recordingDiskBuzzer outputSystem error outputThermal error outputTime adjust outputSeries recording output!3 @0Front LEDmonitoroutputALARM/CONTROL(Earth)(Emergency recording input)External switch!3 !2External switchALARM/CONTROL(Earth)!3 @4(External recording mode input)