Fax Unit Options
D432/D433 10 SM
1.3 FAX UNIT OPTIONS
1.3.1 MEMORY UNIT (G578) (D432 ONLY)
1. Remove the FCU from the machine.
2. Install the memory option [A] on the FCU.
3. Reinstall the FCU in the machine.
1.3.2 HANDSET (B433)
 The optional handset is available for the U.S. version only.
1. Remove the screw [A] first, and the rear cover [B] ( x7).