Casio DC-7800RS - Data Transfer

— 3 —
SCLK_
GNDSOUT
SIN
DATA TRANSFER
The DC-7800RS/8500RS can transfer the stored data to another DC-7800RS/8500RS.
Note: Before connecting wires, be sure to reset the Back up unit.
1. Remove the BATT 2 battery cover.
2. Connect 4 terminals on the PCB with wires as shown in the figure below.
User's unit Back up unit
RESET
BATT 1
BATT 2
RESET
BATT 1
BATT 2
Wiring
GND GND
SCLK_ SCLK_
SIN SIN
SOUT SOUT