Casella CEL CEL-621 - Manual

FIT THE BATTERIES
The CEL-6X0 Instrument requires three AA batteries. Remove the battery
compartment cover and fit the batteries observing correct polarity. Refit the
battery cover.
Note: The batteries can be zinc carbon, alkaline or rechargeable. Do not mix
battery types.
SWITCH ON
Press the ON/OFF Key - Figure 1 (3). Check the battery condition symbol shows
good charge.
CEL- 620A - The initialisation screen will be displayed, then the Graph
screen in the STOP mode (red bar at the top and bottom of screen). Press the
MENU Key to access settings, memory and instrument status.
CEL- 620B - The initialisation screen will be displayed, then the Octave screen in
the STOP mode (red bar at the top and bottom of screen). Press VIEW to see the
Graph screen. Press the MENU Key to access settings, memory and instrument
status.
SETTINGS SCREEN (Refer to Figure 2)
1 – SETTINGS OPTIONS / 2 – RESULTS MEMORY / 3 – INSTRUMENT STATUS /
A – BACK TO PREVIOUS SCREEN / B – MOVE TO NEXT SCREEN / C NAVIGATION
CURSORS
Figure 2 Settings Screen
SET LANGUAGE (Refer to Figure 2)
Select (1) Settings. Press (B) to continue. Use cursor keys (C) to select Language
symbol (4). Press (B) to continue. Use cursor keys (C) to select Language. Press
SELECT (B). Press EXIT (A).
SET TIME AND DATE (Refer to Figure 3)
Select (1) Settings. Press (B) to continue. Use cursor keys (C) to select Set Clock
symbol (2). Press (B) to continue. Press Edit (B) and use cursor keys (C) to set the
time. Press SAVE (B). Use cursor keys (C) to enable the date. Press (B) to edit.
Repeat to alter the date as required. Press EXIT (A) when finished.
Figure 3 Set Time and date
CALIBRATE (Refer to Figure 4)
Fit the acoustic calibrator over the removable microphone and push it home. Press
the acoustic calibrator ON/OFF Key (1). The Instrument detects the signal and
activates the calibration screen (yellow bar). Press (B). The Instrument will be
calibrated and the word PASSED displayed. Remove the acoustic calibrator. Press
EXIT (A) to go back to the Stop screen. Press and hold the acoustic calibrator
ON/OFF Key to switch the calibrator off.
Figure 4 Calibration Screens
SETUP (Refer to Figure 5)
On the SETTINGS screen, select (1) and press (B) to continue. Use cursor
keys (C) to select 6X0 SETUP (2). Press (B) to continue. Use cursor keys
(C) to select the required measurement view for your local legislation. Refer
to Operator’s Manual for details on changing ‘User View’.
Figure 5 Settings Options
BACKLIGHT Refer to the Operator’s Manual for details.
RUN DURATION (Refer to Figure 6 and 7)
Use this feature if you require measurement runs of a set time duration.
From the SETTINGS screen use cursor keys (C) to select RUN DURATION
(1). Press (B) to continue. To edit ACTIVATION press EDIT (B). Use cursor
keys (C) to make changes. Press SAVE (B) to continue.
Figure 6 Run Duration
Use cursor key (C) to enable DURATION and press Edit (B) to continue.
Use cursor keys (C) to set the Duration time. Press SAVE (B).
Figure 7 Run Duration
CAL. REF. LEVEL (Refer to Figure 8)
Note this setting should only be accessed if using an acoustic calibrator
whose output level is not exactly 114.0dB. From the SETTINGS screen (see
Figure 2), use cursor keys (C) to select CAL.REF. LEVEL. Press (B) to
continue. The dB Level will be highlighted. Press EDIT (B). Use the cursor
Keys (C) to edit the dB Level. Press SAVE (B) to go back to the Ref. Cal.
Level screen. Press EXIT (A) to go back to Settings menu.
Figure 8 Cal. Ref. Level
MEMORY RESULTS (Refer to Figure 9 and 10)
From MENU screen, use cursor keys (C) to select MEMORY RESULTS (1)
and press (B) to continue. Use cursor keys (C) to select a Memory Result.
Press (B) to select measurement. Use cursor keys (C) to select VIEW (See
Figure 10 over page). Press SELECT (B) to continue. The selected Memory
Results are displayed. For additional data press VIEW (B).
Figure 9 Memory Results
This screen displays detailed specific data for the saved Memory Results
(Figure 10). This is read only data. To view this data in a graphical format,
press View (B). The Octave values saved in the Memory Results are
displayed in a graphical format. Use cursor keys (C) to move the vertical line
across the graph. Each graph bar represents an octave level measured in
Hz or KHz. Press View (B) again to view tabular octave results.