RF-Link NL6000 - Manual (Page 47)

RF Neulink NL6000 User Guide 47
8. Set the deviation value as follows:
•
Select Deviation from the Diagnostics menu.
•
While watching the deviation gauge on the IFR, enter 1-Increase
Deviation 0.25 dB or 2-Decrease Deviation 0.25 dB until the
deviation gauge measures 2.5 kHz for a low data rate or 4 kHz
for a high data rate.
•
Press Ctrl-A or Ctrl-B to save the balance and deviation
values as the first or second reference point.
•
Press ESC to return to the Diagnostics menu.
•
Select None from the Diagnostics menu to stop the data
transmission.
10. Repeat Steps 1-7 for the opposite edge.
Setting the Receive Gain
Use this procedure to set the receive packets at the best level for
this modem.
1. From the terminal emulator, enter programming mode.
2. Enable the Receive Diagnostic Mode as follows:
•
Select Diagnostics ä Receive Diagnostic Mode.
•
Select 1-Enable.
•
Press ESC twice to return to the Main Menu.
•
Select Exit to save the Receive Diagnostic Mode setting and
enter operating mode.
3. Set up another modem to send data to the modem. The terminal
emulator will display the receive level correction value. Make note of
this value.
4. From the terminal emulator, enter programming mode.
5. Set the receive gain level as follows:
•
Select Diagnostics ä Receive Gain.
•
Enter the receive level correction value, using the 1-Increase Gain
0.25 dB or 2-Decrease Gain 0.25 dB options.
•
Press ESC twice to return to the Main Menu .
•
Select Exit to save the Receive Gain value and enter operating
mode.
6. Repeat steps 3-5 to ensure the receive level remains near zero
(±0.5 dB) after your correction.
7. Disable the Receive Diagnostic Mode as follows:
•
Select Diagnostics ä Receive Diagnostic Mode.
•
Select 2-Disable.