Fostex D-108 Service Manual page 12

D-108
In order to check the version number, press the "EXECUTE/YES" key while "?" is blinking.
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The example on the above indicates that the Flash ROM version is V1.01 and its programming date is December 25,
1998. In this condition, by turning the jog dial C.W. or C.C. W., the CPU version can be checked. The example below
indicates that the CPU version is V2.00 and its programming date is August 4, 1998.
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4-3. DA Test
This mode tests the signal flow from the DATA INPUT jack to the D/A converter. A S/P DIF digital signal (Fs: 44.1kHz)
must be input to the DATA INPUT jack to execute this test. Then, press the EXECUTE/YES key while "?" is blinking.
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If the D-108 is in a normal condition, "44.1kHz" and "DIGITAL" will be lit solid. The odd (1, 3, 5, 7 and L) and even (2,
4, 6, 8 and R) channels indicate the left and right input level of S/P DIF digital signal fed to the DATA INPUT jack
respectively.
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If the D-108 is not in a normal condition, "DIGITAL" and "EXT SYNC" on the display will blink and the bargraph meter
will not indicate any level.
12
0
3
6
9
1 2 3 4 5 6
0
3
6
9
1 4 5 6
2 3
0
3
6
9
1 2 3 4 5 6
0
3
6
9
5
1 2 3 4 6
7 8
8
7
7 8
7 8
: Blinking
44.1kHz
: Blinking
44.1kHz
: Blinking
44.1kHz
44.1kHz