Lutron Electronics GC-2028 - Meter Controls and Display; Device Ports and Probe Assembly

3-1 Display
3-2 Power Button
3-3 Hold Button ( Esc Button )
3-4 REC Button ( Enter Button )
3-5 Set Button ( Button )▲
3-6 Alarm ( Button )▼
3-7 Battery Compartment/Cover
3-8 Stand
3-9 Input socke
t
3-10 RS-232 Output Terminal
3-11 DC 9V Power Adapter Input Socke
t
3-12 Reset button
3-13 CO2 Probe Head
3-14 CO2 Probe Handle
3-15 CO2 Probe Plu
g
5