General Tools and Instruments LRTH185DL - Manual (Page 9)

8
1. Temperature & Humidity sensor
2. Time Set Button
3. Alarm Set Button
4.
°C /°F Set Button/Down Button
5. Enter Button
6. Hold Button/UP Button
7. LED
Display
8. Data Logger Box (optional)
9. Data Logger Box interface (-)
10. Power Switch
11.
Terminal Blocks (Always off)
12. Audio Output
13.
Lo Battery LED Display
14. External power DC 9V
15. ARM Hold
16. Battery Cover.
17. Record Button
18. Memory Button
19. USB interface
20. Data Logger Box interface (+)