User manual HANNA INSTRUMENTS HI 504920

[. . . ] Instruction Manual HI 504920 Remote User Interface pH Meter www. hannainst. com This Instrument is in Compliance with the CE Directives Dear Customer, Thank you for choosing a Hanna Instruments Product. Please read this instruction manual carefully before using the instrument. This manual will provide you with all the necessary information for correct use of the instrument. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] · To enter this mode press (ALT+) SETUP while the meter is in measurement mode. · The setup code "00" will blink on the secondary LCD and "SEt" will be displayed on the primary one. · Select the code of the desired parameter using the or key. Note: If (ALT+) SETUP are pressed before code confirmation, the meter returns to measurement mode. · If the selected parameter is password protected, the lower LCD will display "PAS" and the password must be entered to proceed. Otherwise, the current parameter value will be displayed. PASSWORD PROTECTION Setting of time, date and calibration alarm time-out are password protected and the user will be asked to enter the password to change these parameters. After code confirmation the upper LCD will display "0000". · If password is set to 0000 (factory setting), just press CFM to confirm. · If password is set to a value different from 0000, enter the password with the up and down arrow keys and then press CFM to confirm. · If the password is not correct, the meter displays the "WRONG" indication and asks for the password again. · If the password is correct, the meter provides access to the parameter. 14 PARAMETER SETTINGS · Once the parameter code (and password if needed) has been entered, the current value of the selected parameter will be displayed on the primary LCD and the parameter code on the secondary one. The parameter or a part of it will blink (e. g. only the hour blinks if time has been selected). · Enter the new value using the arrow keys. · If there is another part of the parameter to be set (e. g. minutes for the time), press DISPLAY to gain access and then enter the new value using the arrow keys. · Press CFM to confirm the value. · If the entered value is not acceptable, the "WRONG" indication will be displayed for a few seconds and then the meter will ask for a correct value. · If the confirmed value is accepted, the meter will pass to the next parameter (asking for the password if it is protected). Note: If (ALT+) SETUP are pressed before parameter value confirmation, the meter will not update the parameter and after escaping will ask for a new setup code. The following table lists the setup codes along with the description of the specific setup items, their valid values and the factory settings (default): Code Valid values Default 00 Instrument ID code 0000 to 9999 0000 01 Current time1 hh:mm 00:00 02 Current date1 dd. mm 01. 01 1 03 Current year YYYY 1998 10 Calibration alarm time-out 01 to 99 days , OFF OFF 20 Auto-Off/Power down time-out ON, OFF ON 21 Firmware version 22 Battery level test 90 HI 504910 terminal mode 99 Password2 0000 to 9999 0000 15 1 2 The meter automatically checks for entered time/date accuracy as follows: 0hh23; 0mm59; 01dd28/29/30/31; 1MM12; 1998YYYY2097. To change the password, the correct code must be entered first. If the password has been forgotten, the password protected features are no longer accessible; in this case contact your nearest Hanna Service Center. Some of the setup parameters are explained below. Code 00 - Setting the identification (ID) code When using several identical meters it may be useful to uniquely identify them by assigning an ID code to each meter. [. . . ] The cable used for connection to the meter must be intact and there must be no points of broken insulation on the cable or cracks on the electrode stem or bulb. Connectors must be perfectly clean and dry. If any scratches or cracks are present, replace the electrode. For refillable electrodes: Refill it with fresh electrolyte (HI 7071 for single junction or HI 7082 for double junction electrodes). [. . . ]