Auto Receiver Mute - Yaesu FT-8500/mh-39 Manual

28
properly tuned (the marker is centered). You can
press the PIT at any time to operate.
• With continuous-sweeping, after centering (tuning)
a signal of interest, you must first press in on
@
once to monitor and/or transmit, and again to
resume sweeping.
• When viewing main channel activity, you can toggle
operation to the sub channel at any time, however,
Spectra-Analyzer operation remains on the pre-
vious band. To change spectrum views, you must
first turn the scope ~ff ~~ pres~ing
7r),
then toggle
bands and press
IQ)
-;®
again.
10";'
Hint - to eliminate the need for a two-keystroke
input to activate the Spectra-Analyzer, this feature
can be assigned to either
~
or
Q
for faster access
and operating convenience (see page 22).
Display Dimmer and Contrast
The LCD backlighting adjusts auto-
Auto Dimmer
matically to ambient lighting from
Sensor
the front panel photo sensor. How-
===:+==::::::'
ever, there are six auto-dimmer lev-
--=T=X~-:=---
els and six manual levels that can
Q;::J -
be selected, and backlighting can
also be turned off if desired.
The display contrast can be manually adjusted
through 16 levels for best visibility at different viewing
angles. Please refer to menu functions 30 and 31, on
page
71
for dimmer and contrast settings.
Auto Receiver Mute
With dual receive capability, stations can occasio
ally be heard from both receivers simultaneous:
Aside from causing confusion, important informatic.
such as a aTH or callsign from the desired static
might be missed. This feature mutes or dlsable
audio while receiving a station from a selected bar
while receiving a station on the other band. You st
have S-meter indications of activity on the sub-cha.
nel, but audio will not be heard while the main-cha:
nel is busy. Audio from both channels can also t
muted together, if desired.
The mute feature can activate automatically (
manually by pressing
,pjIJ
4>JV.
In addition, selee
able muting levels and time duration are availabk
The settings explained below are configured t
menu functions 47, 48 & 49 on page 73.
Mute Time - during manual muting, audio is contim
ously muted by selecting Off, otherwise a mute durt
tion of 1 - 60 mins can be selected. After the tim
expires, audio is unmuted until
@rJ
~® is presse
again. Timer settings do not apply if Auto Mute i
enabled.
Mute Level - Audio is either partially or completel
muted according to selected mute level.
• Mute Level 1 (preset muting) - reduces audio to
preset level-regardless of the original volume (th
preset level is also factory default).