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AD8HR
Normally, the test No. is automatically set to d00 -> d01 -> d02 -> d06.
While in test program mode, select the test program No. with the GAIN encoder. You can then run that program by
pressing the [+48V] key.
2. Test description
2-1. [d00] Auto test
Select test program No. [d00] on GAIN control and run the auto test by pressing [+48V] key when "00" flashes. You can
also enter the following characters from the terminal software:
and run the test. (You don't need to press the Enter key.)
Test description is as follows:
[1]
SRAM test
Automatically tests the address bus and data of bus the SRAM.
[2]
FLASH test
Erases the Flash Memory sector and then performs W/R and makes comparison test.
[3]
Backup battery voltage measurement
Measures with A/D and automatically tests the backup battery voltage.
[4]
PLLP2 test
Performs W/R of Reg. (00, 0f, 10) on PLLP2 and makes comparison test, reads out and displays Reg. 12 (Ver.).
Checks A0..A4 (ABIO [1]-[5]) and D0..D15 (DB3V [0]-[15]). Reg.12 cannot be automatically tested since it is a
Read Only register.
AD8HR_DIAG>0
The matching 7 segment LED flashes when an item is selected. That LED lights up when the program ends.
[d00] Automatic test
[d01] LED test
[d02] SWITCH test
[d03] SUB test ............................................................ Not used. (Only for factory test.)
[d04] TRIM preset value (AUTO setting)
[d05] TRIM preset value (MANUAL setting)
[d06] HA-REMOTE 1/2 terminal test
[d07] CMG adjustment
[d08] ANALOG test
[d09] +48 TEST
[d10] Jitter measurement (48kHz)
[d11] Jitter measurement (96kHz)
[d12] MEMORY initialize ............................................ Execute if needed.
[d13] Display program version
[d14] System reset
Program can also be run if the menu No. is input from the HyperTerminal.
........... Execute if needed.
.......................... Not used. (Only for factory test.)
PANEL KEYS
FUNCTION
Turns [GAIN/control] clockwise
Selects direction of test No. sequence.
Turns [GAIN/control] counterclockwise
Selects reverse direction of Test No. sequence.
[+48V]
Runs the selected test No.
