Fig. 1-2
3-1 Display
3-2 Power Button ( LCD Backlight Button )
3-3 HOLD Button ( ESC Button )
3-4 REC Button ( Enter Button )
3-5 Mode Button ( Zero Button )
3-6 Function Button ( Range Button )
3-7 Send Button ( Clock Button )
3-8 SET Button ( Logger Button )
3-9 Up Button
▲
3-10
Down
Button
▼
3-11 PH Socket ( BNC Socket )
3-12 CD Socket
3-13 DO Socket
3-14 Temp. Socket ( pH ATC Socket )
3-15 RS232 socket
3-16 Reset button
3-17 DC 9V power adapter socket
3-18 Stand
3-19 Battery Cover/Battery compartment
10
