User's Guide ______________________________________________________________________30 __________________________________________________________________ M210701EN-D1. Connect the 211339 HM70-connection cable to the SERVICE PORTconnector on the HMT100 motherboard (see Figure 9 on page 22).2. Connect the other end of the connection cable to either of theHM70's connector ports located on the bottom of the indicator (seeFigure 14 above).3. Turn on both devices (or just HM70, in case that HMT100 is oncontinuously).4. The reading of the transmitter is shown on the top or middle row ofthe indicator display, depending on which connector port theconnection cable is connected to.5. Press the ADJ button on the HMT100 motherboard to open theadjustment mode. The indicator LED on the HMT100 motherboardstarts flashing.NOTE From this point onward, the adjustment is carried out using the MI70indicator. When operating the MI70, do not press the buttons too quicklyor the calibration may fail. Wait for one second between each press.6. Press OK to start adjustment.7. Check the environment settings if needed. Otherwise, press NO.Select RH or T adjustment. Continue according to the directions of thedesired adjustment method.Field Checking and Adjustment Using a CalibratedReference ProbeFollow steps 1 to 7 on page 30 and continue as follows:8. Check that the probes are located in equal conditions and waituntil the readings have stabilized (may take 30 minutes ormore). If you are close to the probes, do not breath in theirdirection.9. Press ADJUST to continue adjusting.10. Choose To same as RHI/II from the MI70 adjustment menu, pressSELECT (MI70 automatically recognizes which port the HMP70series probe is connected to).11. Confirm the adjustment by pressing YES.12. The adjustment is done. Press BACK and EXIT to return to thebasic display.13. Turn off the MI70 and detach the connection cable.