Setup Menus Cont’d
This screen is used to select what parameter is displayed on the lower half of the display. The choices are
SWR and Reflected Power. If you select Reflected Power, remember that the reflected power will be
referenced to either NET power or Forward Power (F+R) depending on your earlier selection for the power
display. F+R is the preferred choice to use with REF pwr. Use Dn/Up to select.
This screen is used to program your callsign into the screen saver. The Dn button is used to select the
position of the letter you want to change… 1 thru 6 from left to right. The Up button is used to scroll through
the choices… 0 thru 9, A thru Z, space, / and -. Both buttons wrap around. Step thru the positions, scrolling
to the letter you want for each position. The callsign is saved as you see it.
This screen is used set the display brightness. Each step represents a 12.5% change in brightness. The
default setting is 6, which equals a brightness level of 75%. This provides almost full brightness, and
provides some measure of added display life. You can use any brightness level you like. The display is
rated for 50,000 hours (5.7 years) of continuous display at full brightness before brightness drops to half.
With the LP-100A’s screen savers, you can expect much more than that with typical operating habits. Use
Dn to reduce brightness, Up to increase. The brightness of the screen changes as you adjust it.
This screen is used set the display screen savers. The two timers that can be set are the Scroll timer and
the Sleep timer. The Scroll timer sets the time in minutes from the last transmission to the time when your
call sign starts scrolling across the screen. The Sleep timer sets the time from the last transmission to the
time when the display turns off. The Scroll saver should be set first, since it also affects the Sleep timeout.
Each can be adjusted for up to 10 minutes (20 minutes total). The screen saver extends display life, and
reduces power consumption and heat when the meter is idle. There is also a third screen saver timer, but it
is factory preset. It dims the screen to 25% one second after transmission ends when in the Main Mode. If
Peak power mode is selected and the hold time is set for 1 second or more, it dims at the end of the hold
period. The default is as shown.
This screen is used to determine how the meter is waked from ScreenSaver or Sleep modes. The options
are… Mode Button or RD Sense, Mode Button Only. The second option is useful in industrial installations
where it operation is 24/7 coninuous, and protects the display from excessive wear when the meter is
monitored remotely. The default is as shown.
Allows disabling of modes that the user may not use or doesn’t want to scroll through. The optional modes
are… dBm/RL, Direct Input (Field Strength) and Peak to Average Ratio. The default is all ON.
Sets the lower limit that the meter will display. The choices are… 0.05W, 0.5W, 2.0W, 5.0W,10.0W. Setting
the value higher allows the meter to ignore samples taken during voice pauses. This eliminates some
samples taken at the limit of the gain/phase detector accuracy, where SWR readings my be slightly higher.
It smooths out the SWR display, and lets SWR adjustments be made while talking, for instance.
This screen sets how far below a peak reading that power must drop before the peak hold timer resets and
grabs a new sample. The default is 10%.
This screen allows enabling or disabling of the dual coupler option. This is done so that most users don’t
have to see the up/down arrows that show which coupler is active. The choices are “Installed” and
“Not Installed”.
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