4. FRONT PANEL DESCRIPTION
Fig. 1
4-1 Display 4-12 O2 Cal. button
4-2 Power Off/On button 4-13 MT. ( Mountain Height ) button
4-3 Data Hold button 4-14 Battery compartment/cover
4-4 / button℃℉ 4-15 Probe input socket
4-5 LCD Contrast Adjust VR 4-16 RS-232 input terminal
4-6 Memory record button 4-17 Oxygen Probe handle
4-7 Memory call button 4-18 Temperature sensor
4-8 Factor Adj. button 4-19 Probe head with diaphragm
4-9 Zero button 4-20 Protection cover for probe head
4-10 % Salt button 4-21 Oxygen probe plug
4-11 DO/O2 selector
4