Casella-cel CEL-281 Manual do Utilizador descarregar pdf (Página 11)

4. Load four AAA or

LR03 batteries

into the holder

supplied, accord-

ing to polarities

shown on the

bottom of the

holder, then in-

sert it into the

battery compart-

ment.

5. Replace and lock the battery compartment cover then install

the keypad.

1.3 Start-up

If the battery voltage is satisfactory, choose between calibrating the unit

(see Calibration), or operating with the previous calibration setting (see

Quick Start).

1.3.1 Quick Start

1. Use the 1.5 mm Allen Key to retract the locking screw and free

the lower sliding cover.

2. Switch the instrument ON.

CAL is displayed and blinks for 20 s.

3. Wait until the display shows a level such as:

Allen Key

Holder

Batteries

Cover

920064

LAVG

dBA

TC=f Q=3

920063

Getting Started

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Casella-cel CEL-281 Manual do Utilizador Página 11