NM2B DIAGNOSTICS (continued)
2.1.1 Diagnostics Menu Screen
Pressing the DIAGNOSTICS key on the Service Menu Screen brings up
the Diagnostics Menu Screen. Figure 2-3 shows a typical Diagnostics
menu which displays the last service date and an error log. To reset the
last service date to the current date, press the RESET DATE key.
NOTE: The RESET DATE key also clears all stored error codes,
so the date should not be reset until the indicated
problems are resolved. If the processor assembly must be
replaced, the original assembly should be returned to the
NAD Technical Service Department with all of its stored
error codes.
Each line in the Error Log is displayed as three groups of hexadecimal
characters, with each group having a left and right character (see
Figure 2-3). Tables 2-1, 2-2 and 2-3 on the following pages list the
possible errors that correspond to the displayed characters in each
group.
Figure 2-3: DIAGNOSTICS MENU SCREEN
DIAGNOSTICS MENU KEY TEST
LAST SERVICE DATE 14-JUN-91
ERROR LOG 00
00 40 RESET DATE
Group 1 Group 2 Group 3
EXIT
TRACE
TREND
Rev. L
2-3
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