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3
FUNCTIONAL DESCRIPTION
RS 232
POWER
12VDC
USB
EC
TEMP
REF
15
16
17
19
13
14
18
FRONT PANEL
FRONT PANEL
FRONT PANEL
FRONT PANEL
FRONT PANEL
1. Liquid Crystal Display (LCD)
2. CAL key, to enter/exit calibration mode
3. GLP/ACCEPT key, to display GLP data
or to confirm value
4. SHIFT key, to select second key function
5. LOG/CLR/MR key, to store reading in
memory, to clear calibration or to en-
ter/exit recall mode
6. MODE/SETUP key, to select measure-
ment mode/pH resolution, to enter/
exit setup mode or to toggle between
delete one or all logged data
7.
/ATC key, to manually decrease tem-
perature value or other parameters or to
select temperature compensation mode
8. RANGE/FIXED key, to switch measure-
ment unit pH/mV/EC or focused data,
or to freeze current reading on the LCD
9.
/TC key, to manually increase tem-
perature value or other parameters or
to view temperature coefficient value
10. ON/OFF key, to turn the meter ON
and OFF
11. Secondary LCD
12. Primary LCD
REAR PANEL
REAR PANEL
REAR PANEL
REAR PANEL
REAR PANEL
13. USB connector
14. RS232 connector
15. Power supply socket
16. DIN connector for EC probe
17. Reference pH electrode socket
18. BNC pH electrode connector
19. Temperature probe socket
12
11
10
9
8
7
6
5
4
3
2
1
