CESVA DC112 - Blocking the Keypad; Interrupting the Measurement

DC112d/DC112
User’s manual
19
• Time history (60 values) of the equivalent continuous sound pressure level with integration
time (T) and A frequency weighting.
• Numerical value of the equivalent continuous sound pressure level with integration time
(T) and A frequency weighting.
• Measurement time (t) and integration time elapsed.
2.3.4 Blocking the keypad
While a measurement or recording is in progress, the keypad of the DC112d/DC112 can be
blocked; this way accidental interventions in the process can be avoided.
To block the keypad, press
. The message KEYPAD BLOCKED will appear on the
screen.
Next, the information of the functions measured will disappear from the screen, leaving just:
• The measurement time (t) elapsed
• The battery status indicator
• The measurement status indicator
• The symbol in the top right-hand corner of the screen, indicating that the keypad is
blocked
While the keypad is blocked, the values of the functions measured do not appear on the
screen, to avoid the deliberate generation of noise to distort the measurement.
To unblock the keypad, press
followed by .
2.3.5 Interrupting the measurement
By pressing you temporarily interrupt the measurement. The measurement status
indicator will change from
to .
While a measurement is paused ( ) you may continue to consult the functions measured
prior to the temporary interruption of measurement.
While a measurement is paused (
) the device can be switched off. To do this press .
When it is switched on again, the measurement will remain on pause (
) and can be
resumed. To resume measurement, press
.