User manual

Operating controls

See fold-out section

1 Function buttons

2 Operational buttons

3 3/4-digit LCD with bar display

4 Connection for the light-sensor

5 RS232-Interface

6 Battery compartment at rear

7 Light-sensor (white cap)

Display symbols

HOLD Momentary reading is held

PEAK The highest reading is held continuously

REC Storage of readings for minimum and maximum values is

made

An under-line means that it is "below measurement range"

An upper-line means that it is "above measurement range"

Battery replacement symbol; please replace the batteries

immediately to avoid measuring errors!

x100/x10 The displayed readings must be multiplied

FL Value filter for fluorescent lights.

Hg Value filter for mercury vapour lamps

Na Value filter for sodium vapour lights

LUX Standard unit for light strength (lm/qm)

Ft-cd Standard English unit for light strength (lm/qft)