Instruction manual

6
Controls and Functions
Top View
Microphone/preamplifier
The microphone and preamplifier are configured as an integrated assembly. The micro-
phone and preamplifier are labeled with a serial number which must match the number
shown on the rear of the main unit. The microphone/preamplifier assembly can be
removed from the sound level meter and connected via an optional extension cable, for
measurements a distance.
Display
The backlit liquid crystal display has a resolution of 192 × 192 dots.
LED indicator
This indicator signals the following conditions.
Overload: Overload occurred in the main channel.
Measurement: Indicator flashes in 1 second intervals.
Remote control signal reception: Indicator flashes 3 times in 0.2 to 0.3 second inter-
vals.