
44
Reading the Display
Current date and time
Shows the current date and time.
Backlight
Indicates that the display backlight has been lit up (see page 27).
Touch panel lock
Indicates that the touch panel lock function has been set to ON. Touch
panel operations are disabled while this symbol is displayed (see page 53).
Key lock
Indicates that the key lock function has been set to ON (see page 7).
USB/RS-232C connection
Indicates that the communication control function has been set to USB
or RS-232C (see page 58).
Battery status
When the unit is operated on battery power, you should regularly check this
indication. The number of white segments will decrease as the batteries
get used up. When the indication starts to fl ash in red, replace the batteries
with a fresh set.
When the unit is being powered from an AC adapter or a battery pack,
the
symbol is shown.
L
p
value display
Shows the measured sound level in the main channel. (The display is
updated every second.)
Frequency weighting
Indicates the main channel frequency weighting characteristic.
A: A-weighting, C: C-weighting, Z: Z-weighting (Flat response)
Batteries good
Batteries getting low
Indication flashes
Replace batteries
White
White
White
Red
Red
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