HT309
EN - 4
4. OPERATING INSTRUCTIONS
4.1. INSTRUMENT DESCRIPTION
CAPTION:
1. LCD display
2. LX/FC/CD key
3. MEM/READ key
4.
S arrow key
5. (ON/OFF) / (Auto
Power OFF) key
6. ZERO key
7. HOLD/L.S. key
8.
T arrow key
9. Photodiode sensor
Fig. 1: Instrument description