CLR (clear) button.
LOUT (lockout) button.
CHG (change) button.
SYNC (late entry) button.
CMSC (COMSEC) button.
Clears data from keyboard display if an error
was made during an entry or if data needs
to be cleared from RT memory.
Used only by NCS.
Used with DATA, * , OFST, or CMSC buttons
to change current information to another
available selection, Pressing this button with
DATA, *, OFST, or CMSC will change data
rate, state of l function, offset frequency,
or COMSEC key.
Used for FH passive late net entry proce-
dure. Pressing this button places RT in late
net entry status. Pressing this button allows
passive late net entry: when you hear traffic,
you have re-entered the net.
Pressing this button shows the operating data
rate. Pressing the CHG/7 button while data
rate is displayed allows selection of data rate
by scrolling through available data rates
(600,1200, 2400, 4800, 16000, AD1, TF,
OFF), The rate or mode remaining on the
display becomes the new rate.
Pressing this button causes the COMSEC key
to be displayed. The NCS and SOI will give
guidance as to how and when to use this but-
This button controls a special feature of the
radio. You will be instructed by NCS and SOI
when to turn this feature on and off.
Used to enter numerical data such as SC fre
quencies, position in which data is to be
stored, battery life condition, etc.