User manual

5. Push-button "RECORD” for recording (storing) a measured fre-
quency
6. Push-button "CALL” for displaying a recorded frequency
7. Push-button for power "OFF” (device off) and "ON” (device on)
8. Push-button for the function "HOLD”
9. Push-button for the function "REL” (=relative = reference value)
10. Push-button for the function "RESO” (=resolution) in connec-
tion with the switch "SENSITIVITY”
11. 8-digit liquid crystal display (LCD)
12. Adjustable handle, supports the device at an easy-to-read
angle
13. Connecting jack for an external power supply unit (not included
in the delivery) with polarity "+” inside
14. Cover of the battery compartment
Table of contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Proper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Controls (fold-out page). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table of contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Safety instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Installation, commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Maintenance and care, battery replacement. . . . . . . . . . . . . . . . . 29
Technical data, sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
21