QT
‐
300
Revision:
1
QT
‐
300
User
Manual
Page
10
of
11
Q5X
Systems,
Inc.
2018
Display
Output
Power
To
display
the
output
power,
turn
the
dial
to
the
letter
‘D’
and
press
the
SEL
button.
The
Red
LED
will
flash
the
number
that
is
related
to
the
output
power.
For
example,
if
the
output
power
is
set
to
100mW,
the
LED
will
flash
Red
4
times.
Battery
Level
To
display
the
current
battery
level,
turn
the
dial
to
the
letter
‘E’
and
press
the
SEL
button.
The
LED
will
blink
red
1
to
10
times.
10
blinks
indicate
100%
battery
remaining
and
1
blink
indicates
10%
battery
remaining.
Display
Firmware
Version
To
view
the
current
firmware
version,
turn
the
dial
to
the
letter
‘E’
and
double
press
the
SEL
button.
The
LED
will
display
the
3
digits
of
the
current
firmware
version.
For
example,
the
firmware
version
is
0.2.2.
The
LED
will
turn
on
Red
solid
for
1
second
to
indicate
the
first
digit
is
0.
After
a
short
pause,
the
LED
will
flash
Green
2
times
to
indicate
the
second
digit
is
2.
After
a
short
pause,
the
LED
will
flash
Orange
2
times
to
indicate
the
third
digit
is
2.
Once
the
third
digit
has
been
displayed,
the
LED
will
resume
displaying
the
battery
status
after
a
short
pause.
Mic
Gain
There
is
a
Mic
dial
on
the
left
side
of
the
QT
‐
300
that
has
a
range
of
‐
20
dB
to
+20
dB.
To
increase
the
Microphone
gain,
turn
the
dial
clock
‐
wise.
To
decrease
the
Mic
gain,
turn
the
dial
counter
‐
clock
‐
wise.
0
dB
is
located
at
the
mid
‐
point
of
the
dial
and
is
indicated
on
the
case.
Powering
Off
To
power
off
the
device,
press
and
hold
the
SEL
button
for
5
seconds.
The
LED
will
turn
red
then
off
to
indicate
the
device
has
been
powered
off.
