6
Figure 2.3 external interface diagram
2.4.2 Bottom Dial Switch
Bottom Dial Switch diagram shown in Figure 2.6 and 2.7:
Figure 2.6 Bottom Dial Switch Diagram Figure 2.7 Bottom Dial Switch diagram
Two DIP switches are set to ON or OFF to select different modes of operation as shown in Table 2.2
Table 2.2 Dial Switch setting
2.4.3 RS-232 Interface
1)
RS-232C interface specification as shown below
No.
SW1
SW2
Explanation
1
OFF
ON
Working mode
2
ON
OFF
Updating mode
