Specifications

International Radio and Electronics Corporation
25166 Leer Drive Elkhart, Indiana 46514 • 574–262–8900 • www.irec1.com
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3.3 Operating the FMX
All functions except switching AC power and the carrier are controlled through the
Control Knob and Main Display. To make a selection, turn the knob to scroll through a
list of choices. When the cursor arrow points to the selected function, push and release
the control knob to make the selection.
To enter a number or letter, use the control knob to move a flashing cursor block over
characters in the selected line. When the cursor is in position, push and release the control
knob. Then, turn the knob to scroll through the letter or number choices. Push and release
the knob to select the choice.
3.4 Passwords
Settings and Factory functions require passwords to access. Only the password for
Settings is distributed. The default setting for the Settings password is “0000”. You may
change the Settings password to your personal password from the Settings function list.
3.3.2 Main Function List
The Main Function list in the FMX is grouped as follows:
• Readings
• Settings
• Factory
• Audio Monitor
• Fault Log
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.
3.5 Readings Function List
Readings functions are for operators to use to verify proper operation of the transmitter.
These functions are not password protected. The readings function list is divided into two
groups: Primary, for readings that would be accessed more often, and Secondary, for
readings that are not accessed often.
[Primary]
[RF Power] Displays the output power calculated from the square of the RF voltage.
Accuracy can be affected by VSWR (RF voltage-to-current ratio). Requires calibration
with the RF reflectometer being used.