General Tools and Instruments DPHC2001 - Manual (Page 8)

Fig. 2 Fig. 3
3-1 Display
3-2 Power Button
3-3 REC. Button
3-4 Hold Button
3-5 C, F Button/A Button/up Button
3-6 PH/mV Button/B Button/left Button
3-7 TEMP. C Button/D Button
3-8 CAL Button/C Button/down Button
3-9 Battery Compartment/Cover
3-10 PH BNC Input Socket
3-11 Lock Switch
3-12 Optional Probe Input Socket
3-13 RS-232 Out Terminal
3-14 Stand
3-15 PH 7 VR
3-16 PH 4/PH 10 VR
6