13
NWZ-A726/A726B/A728/A728B/A729
4-2-9. Sound pressure regulation level check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is output-
ted.
Checking method:
1. Enter the test mode.
2. Press
the
[
v
]/[
V
] key to select the “AUDIO”, and press the [
B
]
key to enter the minor item.
3. Press the [
v
]/[
V
] key to select the “SPCHK”.
4. Press the [
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 30”
audio signal is outputted.
liquid crystal display
AUDIO SPCHK
1kHz 0dBs L/Rch
HPOUT [ VOL: 30 ]
START
5. Press the [BACK] key, return to minor item selection screen.
4-3. Video
liquid crystal display
MPTAPP MENU
POWER
AUDIO
VIDEO — LCD
OTHER
CLESTE
DAC
SHUTDOWN
EXITTEST
4-3-1. LCD display check
Liquid crystal display is checked.
Checking method:
1. Enter the test mode.
2. Press
the
[
v
]/[
V
] key to select the “VIDEO”, and press the [
B
]
key to select the “LCD”.
3. Press
the
[
u
] key, all black is displayed on the liquid crystal
display.
4. In this state, each time the [OPTION] key is pressed, the screen
display changes in the following order.
All black (default)
→
All red
→
All green
→
All blue
→
All
white
→
Color bar
→
Maximum drawing size con
fi
rmation
→
diagonal gradation (red)
→
diagonal gradation (green)
→
diagonal gradation (blue)
→
diagonal gradation (white)
Maximum drawing size con
fi
rmation:
All blue (All sides are red) is displayed. Whether red in all
sides is seen is con
fi
rmed.
5. In this state, each time the [VOL –] key is pressed, LCD back
light brightness min/max/middle switch is performed.
6. Press the [BACK] key, return to minor item selection screen.
4-4. Other
liquid crystal display
MPTAPP MENU
POWER
AUDIO
VIDEO
OTHER
CLOCK
CLESTE
KEY
DAC
KETYNUM
SHUTDOWN FORMAT
EXITTEST DEST
SPSET
FWVER
NCAPCHK
4-4-1. Clock check
The movement of an internal clock is con
fi
rmed.
Checking method:
1. Enter the test mode.
2. Press
the
[
v
]/[
V
] key to select the “OTHER”, and press the [
B
]
key to enter the minor item.
3. Press the [
v
]/[
V
] key to select the “CLOCK”.
4. Press the [
u
] key, date and time are displayed.
liquid crystal display
OTHER CLOCK
XX, XX XX XXXX
##:##:##.######
START
XX, XX XX XXXX : Date
##:##:##.######
: Time
“START” changes into “OK” if the movement of an internal
clock is con
fi
rmed.
5. Press the [BACK] key, return to minor item selection screen.
