r Informationr usage will invalidate the approval of thes if as a result it then ceases to conform to thes against which approval was granted.ber of redial tries must be set to a value of lessailure to do so would invalidate the approvalKIFAX 1050, 2350, and 2450 facsimileers.aratus has been approved for connection toc switched telephone network (PSTN)by British Telecommunications plc or Hullphone Department. The OKIFAX 1050/2350/be connected to any direct PSTN exchangept as an extension to payphone. (It must notcted to a shared service or a 1 + 1 carrierection circuits should be such that thent continues to comply with the requirements4.2 of EN41003 for TNV circuits and clause60950 for SELV circuits, after makingons between circuits.aratus does not have a PBX earth or timedall facility.2 It can not be guaranteed that this apparatus will workcorrectly in all circumstances. Any difficulties shouldbe referred to your supplier.3 This apparatus is also suitable for connection to PBX’swhich return Secondary Proceed Indication.4 Calls to the BT (999) Emergency service can be madefrom the optional telephone attached to your facsimilemachine.5 Difficulties in operating your OKIFAX 1050/2350/2450in Tel/FAX mode may be experienced over a limitednumber of trunk routes. Problems should be addressedin the first instance to the supplier of your fax machine.6 This apparatus is suitable for use by non-native users.Unauthorised Modifications to EquipmentThe following caution applies to the integral modemforming part of the OKIFAX 1050/2350/2450 facsimiletransceiver. The approval of this modem forconnection to the British Telecom PSTN isINVALIDATED if the apparatus is subject to anymodification in any material way not authorised byBABT or it is used with or connected to:i) internal software that has not been formally acceptedby BABT