YSI Model 52 Operation Manual

YSI Model 52 Operation Manual Manual pdf 6 page image

Introduction Section 1YSI, Incorporated Model 52 21.2 DISPLAY AND FUNCTION KEYSA rotary function switch and four keys provide complete control of the Model 52. Thefour keys are SKIP,! ," , and CONFIRM. !!!! and" are used to modify a settingeither up or down (for example, calibration or salinity values can be modified for eachcalibration process if required). The CONFIRM key is used to accept your setting.The display often asks questions such as “Calibrate in percent?” Use CONFIRM toanswer yes. Use SKIP to go on to the next choice. The SKIP key can also be used toselect among several default values.1.3 FUNCTION SWITCHThe rotary function switch allows easy selection among the meter’s basic functions. InO2 -TEMP, the instrument is measuring dissolved oxygen and temperature. To begincalibrating, switch to CALIBRATE. To begin setting the clock, communication, andauto-stable parameters, switch to SYSTEM SETUP. EXTERNAL CONTROL activatesthe RS232 port. Salinity can be set after switching to SALINITY.1.4 POWER ON SELF-TESTA Power On Self-Test (POST) takes place whenever the meter is turned on. This ensurescorrect performance. If anything is wrong, the operator is signaled and the erroridentified. An error message will appear on the display. For more information see Section8.2, Power On Self-Testing and Error Display Messages.