10 RF153-en-GB_V1.1 11/18
4. Product Descriptions
4-1 Meter Description
1. Prism Cover
2. Prism
3. Measure (short press) / Zero (long
press) / Scroll up button (short presses
in Memory mode only)
4. Power ON/OFF (long press) / RCL
(short press to select Memory mode)
5. Unit button (short press for RI/BRIX;
long press for temperature units)
6. LCD display
7. Battery cover
8. Battery compartment secure screw