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4. Change from largest-value ran e to smallest-
value range by pressing [4][=][SHIFT]
[SPECIAL][1]
5. Enter the nominal value:
A. Calculate: (.001 ohm) / (1) = .001
B. Press [.][0][0][1][=][SHIFT][NOM VAL]
6. Enable the ratio mode (measurement/nomi-
nal) by pressing [2][=][SHIFT][SPECIAL]
[6].
7. Select MEASURE function and make mea-
surements as usual.
If you enable VALUE display, the ratio shown can
be interpreted as value in mF, and the measured D is
also displayed. If you enable BIN NO. display, the bin
number only will be shown.
3.9 Keyboard Lock, Function Map, and
Summary of Integrations
3.9.1 Keyboard Lock
Locking the keyboard provides security against un-
intentional or unauthorized change in the keyboard
selectable test conditions, as well as preserving them
during the time that POWER is switched OFF.
You must select MEASURE func-
tion to enable there 4 selections
Operation
Other selections and programming can be mad in either function
Figure 3-35: Keyboard Map
Indications of the unlocked or locked state are as
follows:
• Unlocked - several keyboard indicators lit.
• Locked - NO keyboard indicators lit, except
possibly MEASURE, BIAS ON and /or
REMOTE CONTROL.
To lock the keyboard, first select MEASURE func-
tion. Then, press the following keys deliberately: [1]
[6][9][3][=][LOCK]. The command sequence is the
same to lock and to unlock.
NOTE: If the REMOTE CONTROL indicator is lit,
the keyboard may have been deactivated by remote
command, in which case the way to deactivate it is by
remote command. Refer to paragraph 3.11.
3.9.2 Function Map
Figure 3-35 shows graphically (like a map of the
keyboard) which programming keys are enabled
in the MEASURE function and which ones in the
ENTER function. Notice that one row of keys inside
the square 16-key area and all of the keys outside of
that square are enabled regardless of any selection
by the [FUNCTION] key.
You must select ENTER function to
program the 8 conditions indicated
1693 RLC Digibridge
69
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