Sony ICD-UX71 Service Manual page 10

ICD-UX71/UX71F/UX81/UX81F/UX91F
5. Beep
Test to Beep.
[PLAY]: 800 Hz t 1.3 kHz t 2.0 kHz t 800 Hz ......
[STOP]: STOP
6. LCD Cont
Adjust the LCD contrast.
* Make a mental note of the setting even when the battery has been
removed.
LCD display
<LCD Cont>
Value: 36
[FF] + [FR] −
Initial value: 36
[FF]: +
[FR]: –
7. RTC Int
Perform a self- test on RTC.
LCD display
<RTC lnt>
01s
RTC lnt OK
The count is indicated every second.
8. Battery
Check the current value of Battery A/D.
LCD display
<Battery>
0x66
9. Batt AB4
Check the current value of Battery x4A/D.
LCD display
<Batt4>
0x2A
10. VBUS TEST
Check the presence of VBUS.
LCD display
<VBUS Test>
VBUS ON / OFF
[PLAY]: Suspend, LCD off
To reset, remove the battery and then insert it again.
10
11. MENU INIT
Initialize the set values.
LCD display
<Menu lnit>
[PLAY]: ENTER
[PLAY]: Menu initialize start.
12. Sleep
Perform a sleep test.
The LCD display disappears and then the sleep mode is entered.
To exit the sleep mode, turn off power.
The power should be turned on again since resetting is not allowed.