37Step 1Press the external switch to start recording.→ The [REC] button will light and the emergencyrecording will start.Step 2When the set recording duration has passed, theemergency recording will automatically stop.The recording duration for the emergency recordingcan be set on the setup menu ("Recording duration"on the "Emergency rec." tab under "Basic"(☞ Installation Guide)).Note:• The emergency recording is the recording modewith the highest priority.Even when another recording is being performed,the emergency recording will be performed priorto that recording.• When "Continue" is selected for "Recording dura-tion" (☞ Installation Guide) on the "Emergencyrecording" tab under "Emergency recording" ofthe setup menu, it is necessary to press the[ALARM RESET] button to stop the emergencyrecording. The [REC] button will go off and record-ing will stop.Note:• When a recording with higher priority than manual recording is being performed, manual recording will besuspended until that recording finishes. Refer to the "Recording mode and its priority level" section belowfor further information about the priority of the recording mode.• When trying to stop manual recording by holding down the [REC] button for 2 seconds or more while anoth-er recording with a different recording mode (emergency recording, event recording and schedule recording)is being performed, the [REC] indicator (on the [REC] button) will remain lit and the other recording will con-tinue.• No image will be recorded when no image data is being sent from the camera. When image data is sent,recording will start.• Images (data) recorded by manual recording or schedule recording will be divided into multiple files everyhour on the hour. In that moment, recording may sometimes be interrupted around for 1 second.Recording mode and its priorityThere are 5 recording modes. The recording modes and their priority levels are as follows.When two or more recordings with different recording modes started simultaneously, only recording with thehigher priority will start.Recording modeEmergency recording 1PriorityPost-event recording 2Manual rec. operation 3Schedule recording 4Pre-event recording 5Emergency recordingRecording that is performed manually using an external switch, etc. when an emergency occurs.For example, when an external switch is installed at the reception area, it is possible to start recording by press-ing the installed external switch if a receptionist thinks suspicious about a person around the reception area,etc.