Nautel Maine Inc VS300 用户手册

VS300 Operations and Maintenance Manual

Operating the transmitter

Page 2-84

Issue 0.1  2011-03-11

7. Connect the external exciter’s RF output to 

J4 (RF DRIVE IN)

 on the rear panel of the VS300 

through an attenuator such that the level out of the exciter at the desired setpoint converts to 

+ 20 dBm

 .

8. Turn on the transmitter and resume operation.

ARM reset

From the front panel UI, you can reset the ARM on the exciter/control PWB. To view the 

ARM 

Reset 

screen, select 

System Settings -> ARM Reset

 from the 

Main Menu

). 

Use the up and down buttons to toggle between 

Force ARM Reset

 and 

Cancel

. Press the accept 

(checkmark) button to save the change. If a reset is selected, it will occur immediately. Select 

Cancel

 

or press 

X

 to abort the reset and return to the previous menu.

OS recovery

From the front panel UI, you can perform a recovery reset of the operating system (OS). You will 
also need to install a flash drive, provided by Nautel, in one of the USB ports on the rear of the 
VS300. To view the 

OS Recovery 

screen, select 

System Settings -> OS Recovery

 from the 

Main 

Menu

). 

CAUTION: 
The maximum input level is +23 dBm. Exceeding this level could cause unstable 
operation or damage to the VS300.