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Once a program is selected, the following general Mes wiu
=PPlY:
1. A displayed program condition can be entered by press-
im the ENTER button.
2. P&gram conditions that prompt the user with a flashing
digit (cursor) can be modified using the data buttons (0
through 9). Polarity (i button) can be changed with the
msor on any character. Plus (+) is implied and thus,
not displayed.
3. Program.5 that contain alternate conditions can be
display:d by pressing one of the range buttons. Each
press of one of these buttons toggles the display between
the two available conditions.
4. A program will be executed when the pressed ENTER
button causes the instrument to exit the program.
5. A program can be exited at any time and thus not ex-
ecuted, by pressing the PRGM button.
2.7.1 Program 0 (Menu)
This program displays the software revision levels of the
Model 196 and lists the available front panel progr-.
Per-
form the following steps to use this program:
1. Press the PRGM button. The following prompt-will be
displayed:
PROGRAM ?
2. Enter the number 0 by pressing the "0" button. The soft-
ware level of the instrument will be displayed, For ex-
ample, if the software level is Bl, the following message
will be displayed:
SOFTREV 81
3. Use the manual Range buttons to scroll through the front
panel programs. The A range button scmlls forward
while the y range button scrolls backward.
4 To exit
from
the menu, press the PRGM button. The in-
strument will retnrn to the previous operating state.
2.7.2 Program 2 (Resolution)
Program 2 selects the number of display resolution digits.
The resolution available is dependent on function and
range. Table 2-7 lists the display resolution availabie for the
various function/range combinations. Display resolution
can be set for each function and is remembered by each
function as long as the instrument remains powered up.
Resolution can be remembered after power-down by run-
ning Program 30 (Save). To change the display resolution,
perform the following procedure:
1.~ Set the in+ument
to the desired fun@iqn and range.
2. Press the PRGM button. The following prompt will be
displayed:
PROGRAM ?
3. Enter the number 2 by pressing the "2" button. The cur-
rent resolution status will then be displayed. For exam-
ple, if the selected function is currently set for 6% digits
of resolution, the following message v+l be displayed:
6% d
4. If an altered resolution is desired, use the manual Range
buttons to display the resolution. The V Range button
decreases resolution, while the A Range but&n in-
creases resolution.
5. With the desired resolution displayed, press the ENTER
button. The instrument will return to the previously
selected function and range.
Table 2-7. Display Resolution
Function
Range
DCV
All
ACV
AU
Available
Resolution
31/2d, 4%d, 5Hd, 61hd
3%d, 4%d, 5%d
DCA
IAll
( 3%d, 4%d, 5Yzd
I
I
I AcA I-
3%d, 4Hd, Shd
I
2.7.3 Program 4 (MX+B)
This program allow3 the operator to automatically multiply
normal display readings (X) by a constant (M) and add a
constant (B). The result (Y) will be &played in accordance
with the formula, Y=MX + B. This program is useful when
slope calculations are required for a series of measurements.
The values of M and B can be char&
by utilizing Pro-
gram 34. Perform the following steps to enable the MX t
B feature:
1. Set the Model 196 to the desired function and range.
2. Connect the signal to be measured (x) tvthe input of
the Model 196.
2-16
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