Operating Instructions; Instrument Description - HT HT309 Manual De Instrucciones

4. OPERATING INSTRUCTIONS

4.1. INSTRUMENT DESCRIPTION

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