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C Indicates
a closed
channel,
and that 0 indicates
an
open channel.
NOTE
Close and open
for each
channel
remain
valid
even
when
not
viewing
the
channel
or
the
display.
C. The FIRST button,
when pressed, specifies the presently
displayed
channel
as the first channel
of a multichannel
configuration.
If the
presently
displayed
channel
has
already
been specified
as the first channel,
pressing
the
FIRST
button
has no effect
on the
channel
or the
display.
If the presently
displayed
channel
has not been
specified as the first channel,
the display format
is shown
as follows:
11
01 = Present Channel
0 = Channel Open
Pressing the FIRST button
specifies
the channel
as the
first channel and the display format
is shown
as follows:
D.
2-4
1 UI
f 3/
01 = Present Channel
F = First channel
of a multichannel
configuration
0 = Channel open
NOTE
There are two ways to change the specified
first
channel,
one is to select the desired new channel
and then press the FIRST button;
the other way
is to activiate
front
panel
Program
99 (refer to
paragraph
2.6). Powering
the unit down
will not
change the specified
first channel.
The LAST button
when
pressed specifies
the presently
displayed
channel
as the last channel
of a multichannel
configuration.
If the
presently
displayed
channel
has
already
been specified
as the last channel,
pressing
the
LAST button
has no effect on the channel or the display.
If the presently
displayed
channel
has not been specified
as the last channel
of a multichannel
configuration,
the
display format
is as follows:
I
113
ul
t
10 = Present Channel
0 = Channel
Open
I
Pressing the LAST button
specifies
the channel
as the
last channel
of a multichannel
configuration
and the
display format
is as follows:
L
I
10 = Present Channel
L= Last Channel
of a Multichannel
Configuration
0 = Channel
Open
NOTE
There are two ways to change the specified
last
channel,
one is to select the desired new channel
and then press the LAST button,
the other way is
to
activate
front
panel
Program
99
(refer
to
paragraph
2.6). Powering
the unit down will not
change the specified
last channel.
4. The CONTROL
group of buttons
consist of the RESET but-
ton and the INTERVAL
button.
The buttons
are described
as follows:
A.
B
The RESET button
opens all channels
of the Model 705
and reverts the display to the specified first channel.
The
RESET button
is inactive
in the time, interval
and date
modes.
Pressing
the RESET button
during
a Single
or
Continuous
scan
mode
sequence
stops
the
scan
mode,
opens all the channels,
and reverts
the display
to the specified
first channel.
The INTERVAL
button
selects the programmed
interval
time for display.
The inten/al
time is the programmed
time each channel
is closed when using the single, con-
tinuous,
or step
scanning
modes.
The
interval
time
ranges from 5msec to 999.999sec
in 1 msec increments.
Upon the actuation
of front panel Program 99 the interval
time
is reverted
to the
default
condition
of 10msec
(displayed
as 000.010).
Powering
the unit down will not
change the programmed
interval time. Two ways the in-
terval time can be changed
is either, activate
front panel
Program 99; (see paragraph
2.6) or press the INTERVAL
button,
and then press the appropriate
numbers
from
000.010
to 999.999
and the ENTER button.
5. The DATA
group
of buttons
consist of the O-9, CANCEL
and ENTER buttons.
They are described
as follows:
A.
B.
C.
The O-9 data keys allow entry of numerical
data onto the
display.
The O-9 keys can be used to enter
numerical
constants
on the display for certain functions
such as in-
terval time, channel number,
front panel programs,
time
and date.
The ENTER button
loads the displayed
data for the inter-
val time, date and program
modes into the Model 705. In
the PRGM mode, the ENTER button
initiates the select-
ed program
(0, 1,2, 3, 6 or 7) after the necessary data is
entered onto the display. Refer to paragraph
2.6 for infor-
mation
concerning
the front panel programs.
During
the entry of data (c segment
cursor is flashing)
the CANCEL
button
cancels
the present
display
and
reverts
the
instrument
to
the
previous
display.
The
CANCEL
button
is functional
only when
entering
data
onto the display in the interval,
time, date and program
modes.
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