Casella-cel CEL-368 Manual de usuario descargar pdf (Pagina 7)

CEL-268 - Type 1

Insert the CEL-225/3 Preamplifier supplied into the socket at the tapered

end of the instrument, locating the unit in the keyway before pushing it

home.

Then carefully screw the CEL-192 Microphone supplied on to the pream-

plifier. SCREW IT ONLY FINGER TIGHT.

CEL-368 - Type 2

Insert the CEL-230 Microphone and Preamplifier Unit supplied into the

socket at the tapered end of the instrument, locating the unit in the key-

way before pushing it home.

1.2 Loading Batteries

The instrument is powered by

four standard AA size batteries.

The batteries are located in a

compartment reached by sliding

open a cover near the bottom of

the right hand side of the instru-

ment case. Remove the sliding

cover carefully as it has four

spring contacts on it. Correct po-

larity will be achieved when bat-

teries are inserted in the

orientations shown.

1.3 Switching ON/OFF

Switch the instrument ON and OFF by pressing .

Immediately it is switched ON, the noise meter performs a self-test se-

quence during which it shows the software version number and briefly

OFF

890026

CEL-268/368 Operator's Handbook - Page 3

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Casella-cel CEL-368 Manual de usuario Pagina 7