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Changing Instrument Settings
This section describes how to change the date and time settings,
printer settings, and the GPIB and RS-232 parameters. This section
describes how to display a screen that details the CTS850 SDH/PDH
Test Set configuration. You will also find a description of how to run
the instrument self-test in this section.
Viewing the Instrument Configuration
You can display a page that describes how the CTS850 is configured
as well as the installed options and the hardware and firmware
revision level.
To display the instrument configuration:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY INSTR CONFIG none none
Table 3 48 describes the lines of the INSTR CONFIG page.
Table 3 48:Lines of the Instrument Configuration Page
Line Description
Model The model number of the instrument.
Serial Number The serial number of the instrument.
Hardware Revision The version of hardware.
Option Revision The version of options.
Firmware Revision The version of firmware.
Options Lists the options and number of
options
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Changing Instrument Settings
Table 3 48:Lines of the Instrument Configuration Page (Cont.)
Line Description
Interface Module Displays which interface module is
installed (supported transmit and
receive rates) and wavelength of
module, if optical.
PDH Option Indicates whether the 2/8/34/45/140
Mb/s Mux/Demux options are
installed.
Jitter Option Indicates whether Jitter/Wander
Option is installed
VC4 4c BER test of Concatenated STM 4c
signal
Setting the Display Brightness
You can set the display brightness to three levels: Low, Medium, and
High.
To set the display brightness:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY MISC SETTINGS Display Low
(see Figure 3 102) Brightness
Medium
High
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Changing Instrument Settings
Figure 3 102:The MISC SETTINGS Page
Turning the Beeper On and Off
The CTS850 has a beeper. The beeper is used to alert you when a
pass/fail test has completed, or when certain conditions occur. You
can turn off the beeper if you wish.
To turn the beeper on or off:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY MISC SETTINGS Beeper On
(see Figure 3 102)
Off
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Changing Instrument Settings
Setting the Date
The date is used when writing files to disk, it is used to track
measurement history, and it is used when displaying history graphs.
To set the date:
1. Display the current date setting as follows:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY MISC SETTINGS Current Date SET DATE
After you select SET DATE, the CTS850 enters Edit Mode.
2. Assign the knob by selecting Year, Month, or Day as necessary.
3. Turn the knob to change the setting.
4. Select CANCEL to abort any changes and exit Edit Mode.
5. Select DONE to enter your changes and exit Edit Mode.
Setting the Time
The time is used when writing files to disk, it is used to track
measurement history, and it is used when displaying history graphs.
To set the time:
1. Display the current time as follows:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY MISC SETTINGS Current Time SET TIME
(see Figure 3 102)
After you select SET TIME, the CTS850 enters Edit Mode.
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Changing Instrument Settings
NOTE. While you set the time in Edit Mode, the clock stops running.
2. Assign the knob by selecting Hour, or Minute as necessary.
3. Turn the knob to change the setting.
4. Select CANCEL to abort any changes and exit Edit Mode.
5. Select DONE to enter your changes and exit Edit Mode.
Changing the Printer Setup
The CTS850 prints to Tek DPU-411 printers, Epson-compatible
printers, Hewlett-Packard Thinkjet printers and ASCII text printers.
It can also print to a file on disk. The print parameters are located on
the PRINTER SETUP page of the UTILITY menu (see Figure
3 103). Printers are supported only by an RS-232 connection.
Figure 3 103:The PRINTER SETUP Page
Setting up the CTS850 for a printer consists of two steps, specifying
the printer or file type and setting RS-232 parameters. Additionally,
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Changing Instrument Settings
you can specify two lines of text to be included on any printout. The
two lines of text identify the user name and the company name.
Specifying the Printer or File Type
To set the printer or file type:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY PRINTER Printer Type Tek DPU-411
SETUP
Epson
Thinkjet
To Disk
BMP Format
To Disk
Ileaf Format
To Disk
EPS Format
To Disk
ASCII
H Select To Disk BMP Format to print a file to disk in Windows
bitmap format.
H Select To Disk Ileaf Format to print a file to disk in Interleaf
image format.
H Select To Disk EPS Format to print a file to disk in Encapsu-
lated PostScript format.
Setting RS-232 Parameters
To determine the correct RS-232 settings for your printer, refer to the
manual that came with your printer.
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Changing Instrument Settings
To set the RS-232 parameters for the printer:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY PRINTER Baud Rate 1200
SETUP
2400
4800
9600
Stop Bits 1
2
Parity None
Odd
Even
Flow Control None
Software
Hardware
H/W & S/W
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Changing Instrument Settings
Setting the Print User & Company Text
You can have the CTS850 include text on a printout that identifies
the user name and company name. Including this text is optional.
To set the user name and company name:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY PRINTER Print User & On
SETUP Company
Off
User Name EDIT TEXT
Company Name EDIT TEXT
H The User Name and Company Name fields are 20 characters
long. Select DONE when you are finished editing the name.
Setting Remote Control Parameters
You can control the CTS850 using a General Purpose Interface Bus
(GPIB) or an RS-232 connection. For information on remote control
commands, refer to the CTS850 Programmer Manual.
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Changing Instrument Settings
Setting the GPIB Address
To set the CTS850 GPIB address:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY REMOTE GPIB Primary Default 4
CONTROL Address (see
Figure 3 104)
Inc
Dec
Offline
H Select Default 4 to set the GPIB address to its default value.
H Select Inc to increment the GPIB address.
H Select Dec to decrement the GPIB address.
H Select Offline to place the CTS850 in the offline state.
H The maximum GPIB address value is 30. The minimum GPIB
address value is 0.
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Changing Instrument Settings
Figure 3 104:The REMOTE CONTROL Page
Setting RS-232 Parameters
The appropriate settings for RS-232 parameters depend on how the
controller is set up. Refer to the user manual that came with your
controller to determine the correct settings.
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Changing Instrument Settings
To set the remote control RS-232 parameters:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY REMOTE Baud Rate 1200
CONTROL
(see Figure
3 104)
2400
4800
9600
Stop Bits 1
2
Parity None
Odd
Even
Hardware Off
Handshake
On
Software None
Handshake
Xon/Xoff
Data Carrier Off
Detect
On
Tx Delay 0
(Seconds)
1
5
Inc
Dec
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Changing Instrument Settings
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
Tx Terminator LF
CR
CR/LF
LF/CR
H For Tx Delay, select one of the preset choices or use Inc and Dec
to specify a value different from the preset choices.
H The maximum value for Tx Delay is 60. The minimum value
is 0.
Running Instrument Self Tests
The CTS850 provides self-contained tests that can be run any time
you suspect the CTS850 may not be performing properly.
The only test you might need to perform is the Power up Self Test.
The other self tests available for selection are for servicing the
instrument. Complete details on the self tests are located in the
CTS 850 SDH/PDH Test Set Service manual.
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Changing Instrument Settings
Running the Power Up Self Test
To run the power up self test:
Press Menu Select Menu Highlight
Button Page Parameter Select Choice
UTILITY SELF TEST Self Test Group Power up
Self Test
Self Test Loop Once
Self Test Control Run
H Select Abort to stop a self test in progress.
If your CTS850 fails the self test, contact the nearest Tektronix
Service Center.
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