2JN1-3-4Fax U612 Setting system 3Selecting if auto reduction in the auxiliary direction is to be per-formedSetting the automatic printing of the protocol listONOFFU620 Setting the remote switching mode ONE *2U625 Setting the transmission system 1Setting the auto redialing intervalSetting the number of times of auto redialing3 (120 V) *22 (220-240 V)*22 (120 V) *23 (220-240 V)*2U630 Setting communication control 1Setting the communication starting speedSetting the reception speedSetting the waiting period to prevent echo problems at the senderSetting the waiting period to prevent echo problems at the receiver14400bps/V17 *214400bps*2300*275*2U631 Setting communication control 2Setting ECM transmissionSetting ECM receptionSetting the frequency of the CED signalON*2ON*22100*2U632 Setting communication control 3Setting the DIS signal to 4 bytesSetting the short protocol transmissionSetting the reception of a short protocol transmissionSetting the CNG detection times in the fax/telephone auto select modeOFF*2ON*2ON*22TIME*2U633 Setting communication control 4Enabling/disabling V.34 communicationSetting the V.34 symbol speed (3429 Hz)Setting the number of times of DIS signal receptionSetting the reference for RTN signal outputON*2ON*2ONCE *215%*2U634 Setting communication control 5 0 *2U640 Setting communication time 1One-shot detection time for remote switchingContinuous detection time for remote switching7*280*2U641 Setting communication time 2Setting the T0 time-out timeSetting the T1 time-out timeSetting the T2 time-out timeSetting the Ta time-out timeSetting the Tb1 time-out timeSetting the Tb2 time-out timeSetting the Tc time-out timeSetting the Td time-out time56*236*269*230*220*280*260*29 (120 V) *26 (220-240 V)*2U650 Setting modem 1Setting the G3 transmission cable equalizerSetting the G3 reception cable equalizerSetting the modem detection level0dB *20dB *243dBm *2Section ItemNo.Content of maintenance item Initialsetting**: Factory initial setting, *1: The item initialized for executing U021, *2: The item initialized for executing U600Service Manual Y111030-4