Renesas H8SX/1668R - Manual (Page 26)

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2.7 Using the Emulator without Connecting User System
WARNING
Always switch OFF the user system and the emulator
product before the USER SYSTEM INTERFACE BOARD
is connected or removed. Before connecting the two, make
sure that pin 1 on both sides are correctly aligned. Failure to
do so will result in a FIRE HAZARD and will damage the
user system and the emulator product or will result in
PERSONAL INJURY. The USER PROGRAM will be LOST.
CAUTION
When this emulator is used without connecting to the
user system, ensure that the SW1 jumper pin is inserted to
[USER-OFF]. Failure to do so will damage the emulator
product, user system interface board, and user system.
Attach the provided spacers (2.6MQ x 13 mm) to four positions on the user system interface board
not to apply loads to the connector (CN1) on the board (figure 10).