Casella-cel CEL-440 Manuale Utente Scaricare il pdf (Pagina 7)

1. INTRODUCTION

Please read Sections 1.1 to 1.4 before commencing measurement. For a

quick introduction to instrument operations, Chapter 4 may be used as a

tutorial.

1.1 Display & Keys

73.8dB

ØØØØ Ø:1Ø

ASmx

30 100

Aeq

ASmn Zpk

65.4dB 69.9dB

69.4dB

980014

DATA

Stop /Run /Pause indicator

(Instrument is in Run mode)

Period number

Battery condition

Principal parameter

Principal level

Run-Time elapsed

Bandwidth

Icons showing active keys

Measurement/

Instrument information

Icon showing active (cursor) key

Analog display of SPL

Icon showing active (cursor) key

Switches instrument On/Off

Changes menu (=operating mode)

Enables Quick Edit function

Operates display back light

Move cursor (=select options)

Stops a measurement

Accesses stored data

Starts/Pauses/Restarts a

Measurement run

Figure 1: Display & Key Identities

(Further icons may be shown during operation)

Introduction

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Casella-cel CEL-440 Manuale Utente Pagina 7