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NOVATECH INSTRUMENTS

4210 198th St. SW #204

Lynnwood, WA 98036

USA

2940A Manual Rev 1.0

http://www.novatechsales.com

[email protected]

Note 3:

  

The Factory Default menu settings are: 

1) Serial Baud Rate = 9600, 

2) Remote Echo = On, 

3) User Interface = Local, 

4) Power Up Mode = Save Settings 

5) External Standard = Disabled.  

A 10MHz reference should be connected to the rear BNC before changing the External 

Standard setting from Disabled to another setting. The frequency accuracy of the 2940A is 

degraded when operating with an External Standard setting other then Disabled when no 

External Standard is connected. 

Note 4:

  

The SOF8 CD included with the 2940A contains an application named SOF8_1940A that 

can be used to control the 2940A.  The 1940A is a rack mount instrument that contains  

two 2940A. The SOF8_1940A software supports two COM ports.  It is recommended that 

only one of these ports be given a valid COM port number when using this software with 

the 2940A.

Summary of Contents for 2940A

Page 1: ...is received over the serial port SECTION 2 OPERATING INSTRUCTIONS The user can use the computer interface or the the front panel controls to set the output frequency When using the front panel controls the user should depress a cursor button to move the underline character to the number you would like to change and then use the rotary knob to change the number Note 1 The attenuation setting of 00 ...

Page 2: ...ing the External Standard setting from Disabled to another setting The frequency accuracy of the 2940A is degraded when operating with an External Standard setting other then Disabled when no External Standard is connected Note 4 The SOF8 CD included with the 2940A contains an application named SOF8_1940A that can be used to control the 2940A The 1940A is a rack mount instrument that contains two ...

Page 3: ...t line too long 5 The command Qr returns the values in the volatile RAM of the instrument The values returned reflect the present output and state of the 1940A and are as follows Fa 012 345678 1 Fb 012 345678 2 07 45 06 03 1B 05 01 00 01 The first two lines show the output frequency and attenuation setting of both channels in MHz to 1Hz resolution The next line has hexadecimal values showing the p...

Page 4: ...ngs 05 cursor position 01 baud rate register 00 19200 01 9600 02 4800 03 2400 04 1200 05 600 06 300 00 control status 01 External Reference Setting 00 Use internal VCTCXO 01 5MHz 02 10MHz 03 1MHz 04 2MHz 05 1 544MHz T1 06 2 048MHz E1 These above are the same as the Qr command 00 internal settings EF internal settings FF internal settings B7 B7 save settings B8 use defaults 14 Software revision in ...

Page 5: ...s for a particular purpose In no event shall seller be liable for collateral or consequential damages All instruments manufactured by NOVATECH INSTRUMENTS should be inspected as soon as they are received by the purchaser If an instrument is damaged in shipment the purchaser should immediately file a claim with the transportation company Any instrument returned to NOVATECH INSTRUMENTS should be shi...

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