Rev. 1.0
Operation
3—5
When initially powered, the main function list is displayed. Use the control knob to
select one of the main functions. When a main function is selected, the main
function list is replaced with a sub function list.
3.3.3
Readings Function List
Readings functions are for operators to use to verify proper operation of the
transmitter. These functions are not password protected. Readings function list has two
main lists. The Primary list is one which most of the common readings are taken. The
Secondary list is readings that are not as common to access.
Primary list :
RF Power : Reads RF output power in watts.
% of power set : Displays the percentage of power based on the power set point.
SWR : Reads Standing wave as a ratio.
ALC : DC gain control bias used to regulate PA supply voltage.
PA Temp : PA heatsink temperature.
PA DC V : Supply voltage of the RF power amplifier.
PA DCI :
Transistor drain current for the RF power amplifier.
PS DCV : Unregulated DC voltage at the input of the voltage regulators. For battery
operation, this reading is the battery voltage minus a diode drop.
Voltmeter :
Displays the voltage at a test point located on the front edge of the
motherboard. A test lead connected to this point can be used for making voltage
measurements in the transmitter. The test point is intended as a servicing aid; an
alternative to an external test meter. Remember that the accuracy is only as good as
the reference voltage used by the metering circuit. Servicing a fault affected by the
reference affects the Voltmeter reading. The metering scale is 0 to 199.9 volts.
SECONDARY MENU :
ABC SWR lim : The analog backup circuit setting which protects the transmitter
from high SWR if the digital processor fails.
ABC Cur lim : The analog backup circuit setting which protects the transmitter PA
from high current if the digital processor fails.
ABC Tmp Lim : The analog backup circuit setting which protects the transmitter PA
from high temperature if the digital processor fails.
Tx Freq :
The transmitting frequency setting.
Model # : The model number of the transmitter.
Serial # :
The serial number of the transmitter.
UIC Version :
Version of the software for the User Interface Control (front panel).
