14
NWZ-A726/A726B/A728/A728B/A729
4-4-2. Key check
The operation of the key 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 “KEY”.
4. Press the [
u
] key, all keys are displayed.
liquid crystal display
OTHER KEY
UP VOL+
REW PLAY FF VOL–
DOWN OPTION
HOLD BACK
START
5. The character corresponding to the key is selected every time
the key is pressed. “START” changes into “OK” if all keys are
pressed.
6. Slide the [HOLD] key from ON to OFF, return to minor item
selection screen.
4-4-3. Frequency check that presses key
The frequency to which the key is pressed, insert/pull out frequen-
cy of cradle and insert/pull out frequency of the headphone are
displayed.
Note:
Not used for the servicing.
4-4-4. Format
The user’s area is formatted, and ICV for the video and ICV for
audio are initialized.
Note:
Not used for the servicing.
Format the set from “Settings”
→
“Common settings”
→
“For-
mat” when it home menu in usually operates when the set should
format it.
4-4-5. Destination setting
The destination setting, language information, and sound pressure
regulation information are written in the NAND
fl
ash memory.
Note:
Not used for the servicing.
4-4-6. Sound pressure regulation setting
ON/OFF of sound pressure regulation is con
fi
rmed.
Note:
Not used for the servicing.
4-4-7. Firmware version check
The
fi
rmware version is displayed.
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 “FWVER”.
4. Press the [
u
] key, the
fi
rmware version is displayed.
liquid crystal display
OTHER FWVER
X.XX.XX
MODEL NAME
NWZ-####
SERIAL NO
@@@@@@@
X.XX.XX
: Firmware version
####
: Model name
@@@@@@@ : Serial No.
5. Press the [BACK] key, return to minor item selection screen.
