Getting Started
3-9
Note: Instead of specifying the 20 channels in the scan
list as a range, they could have been entered individu-
ally (2!1, 2!2, 2!3, .... 2!20,).
Manual scan
The RESET defaults configure the instrument to manu-
ally scan an infinite number of channels. After the 20th
channel is scanned, operation will wrap around to the
beginning of the scan list (Channel 1).
1. Press STEP to take the Model 7001 out of the idle
state. The ARM indicator will turn on.
2. Press the STEP key to scan the first channel. This
channel will remain closed until another channel is
scanned.
3. Press the STEP key to scan the second channel. The
first channel will open and the second channel will
close.
4. Each press of the STEP key will open the previous
channel and close the next channel (break-before-
make).
5. When finished, press OPEN ALL to abort the scan
and open all channels. The instrument goes into
the idle state (ARM indicator turns off).
Automatic scan
Perform the following steps to automate the 20-chan-
nel scan. A 0.5 second delay will be used between each
channel.
1. Press OPEN ALL if there are any channels closed
or the ARM indicator is on
2. Press the SCAN CONFIGURATION key. The
CONFIGURE SCAN menu will be displayed.
NOTE
Due to space limitations, not all menu
selections can be displayed on the
Model 7001 at the same time. A dis-
played arrow ( or ) indicates
that there are additional menu selec-
tions to choose from. Use the and
cursor keys to display them.
3. Using the and keys, place the cursor on
CHAN-CONTROL and press ENTER. The CHAN-
NEL CONTROL menu will be displayed.
4. Place the cursor on CHANNEL-SPACING and
press ENTER. The SELECT CHAN SPACING
menu will be displayed.
SELECT CHAN SPACING
TRIGLINK IMMEDIATE HOLD
5. Place the cursor on IMMEDIATE and press EN-
TER. The display will return to the CHANNEL
CONTROL menu.
6. Press EXIT twice to exit from the CONFIGURE
SCAN menu and return to the channel status dis-
play.
7. Press CARD CONFIGURATION. The CARD
CONFIG MENU will be displayed.
CARD CONFIG MENU
DELAY READ-I/O-CARD
8. Place the cursor on DELAY and press ENTER. The
SET DELAY FOR: menu will be displayed.
9. Place the cursor on SLOT-2 and press ENTER. The
delay period (in seconds) will be displayed.
(2)DELAY = 00000.000
10. Use the keypad to set the delay for 0.5 seconds.
(2)DELAY = 00000.500
This delay will occur after each channel closes.
11. Press ENTER. The display will return to the SET
DELAY FOR: menu.
12. Press EXIT twice to return to the channel status
display.
13. To start the scan, simply press STEP. The instru-
ment leaves the idle state (ARM indicator on) and
immediately closes the first channel. After a 0.5
second delay the first channel will open and the
second channel will close. This automatic scan will
continue at the 0.5 second scan rate.
14. When finished, press OPEN ALL.
TIMER controlled scans
An internal timer can be used to control the time inter-
val between the scans. The 20-channel scan will be
modified by using a TIMER to place a 20-second inter-
val between the start of each scan.
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