Yamaha AW4416 Service Manual page 117

AW4416
5-2-22 Realtime Clock Test (22 REAL TIME CLOCK)
(1) Display (Test Screen Type B)
1) Test name → REAL TIME CLOCK
(2) Test Content
1) Set the internal clock (RTC) date and time.
2) Check that the clock starts correctly.
3) Check the battery.
(3) Judgment
1) Prompt area → SET TIME BY TEN-KEY AND ENTER
Center of display → 2000/01/01
Exit-method area → EXIT: [CANCEL]
2) Enter the date and time with the numeric keypad.
For the year, set last two digits. Example: 2000 → 00
Set two-digit values for month and day. Example: April → 04; 2nd day of month → 02
Set hour using 1 - 24 system. Example: 8 PM → 20.
Set two-digit values for hour and minute. Examples: 5AM → 05; 7 minutes after the hour: → 07
Do not set the seconds. The seconds count always starts from 00.
Example: To set the date to April 21, 2000 and the time to 20:00:00, key in the numbers as follows.
Key input sequence
3) Check
When you press the ENTER key, the program returns to the test menu screen. Check the time and battery
information at the top right of the screen.
2000/04/21
6. Miscellaneous
(1) Not all switches include LEDs. In the following illustration, non-LED switches are indicated in gray
Note that these switches are not supposed to light up during the LED test (test 2 on the test menu).
88
00:00:00 Mon
20:00:00 Fri ← Date and time that you just set.
BATTERY OK ← Battery check
HDD ACCESS LED (with FL filter)
This LED is not tested by the LED test
(test 2 in the test menu). But please be
sure that this LED blinks when you
execute the IDE test (test 10 in the menu).
.