7451A/7461A/7461P Digital Multimeter Operation Manual
8.10 Self-Test
8-19
8.10 Self-Test
8.10.1 Self-Test
The self-test can be performed from the panel operations or by executing the remote command.
The self-test is performed by selecting ‘TEST’ from in or executing the *TST?
remote command.
The test items are shown in Table 8-7.
8.10.2 Display and Key Tests
Turn on all segments of the display and check whether they light.
Pressing panel keys display their names.
Test according to the following procedure.
Table 8-7 Self-Test Items
Item
Can be performed from
the Panel or by Remote
Can be performed when
the power is turned on
ROM check sum -
RAM read/write check -
Panel display check -
Alarm status check -
Calibration data check
Parameter check
Analog to logic communication check
AD operation check in analog
Range operation check in analog
Reference voltage check in analog
Reference current check in analog
(except 7451A) (except 7451A)
Operations Display
1.
Press and select by using and .
MENU
SYS
2.
Press .
SYS
BEEP
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