MonitoringExternal Monitoring3-11Recorder ErrorsThe message CHECK RECORDER appears if an error occurs while recording. If thismessage appears, check the recorder paper supply. This message may also appear ifthe recorder door is open.3 External MonitoringThe ECG output provides an analog 1V/mV ECG signal for connection to anexternal monitor. Compatible external monitoring divider cables are listed in Table3-8, “External Monitoring Cables,” on page 3-11.The ECG output is also compatible with the interface to the HP central station ECGinput.Do not use the ECG output to synchronize another defibrillator. (The ECG-In toECG-Out delay is 35 milliseconds.)The connection of external equipment may increase leakage currents. Alwaysrequest that local safety personnel verify that multiple connected equipment complywith local regulatory standards before putting such equipment into service.Table 3-8 External Monitoring Cables1000:1 voltageDivider CableConnectorTypeHP Part No.Six Pin M1782AEight Pin M14482ATwelve Pin M1783ANOTECAUTION