VXA-300 P
ILOT
III
O
PERATING
M
ANUAL
51
M
ENU
(
“S
ET
”
)
M
ODE
26
[
UP_L
]
Function
: Sets the low-frequency audio response for the
user-customized receiver audio tone pitch control.
Available Values
: +/–/oFF
Default Setting
: +
27
[
UP_M
]
Function
: Sets the mid-range audio response for the user-
customized receiver audio tone pitch control.
Available Values
: +/–/oFF
Default Setting
: oFF
28
[
UP_H
]
Function
: Sets the high-frequency audio response for the
user-customized receiver audio tone pitch control.
Available Values
: +/–/oFF
Default Setting
: –
29
[
LOCK
]
Function
: Selects the control locking lockout combination.
Available Values
: K/KD/P/PD/PK/PKD/D
Default Setting
: K
K: Keypad (includes pressing the
VOLUME
knob function)
D:
DIAL
selector knob
P:
PTT
switch
(Other selections are combinations of these lock-out
choices)
30
[
STEP
]
Function
: Selects the synthesizer steps on the Air band.
Available Values
: 25 kHz/8 kHz (8.33 kHz)
Default Values
: 25 kHz
31
[
PIT
]
Function
: Selects the tone pitch circuit of the audio am-
plifier in the receiver.
Available Values
: oFF/MD1/MD2/MD3/USR
Default Values
: MD1
oFF:
The received audio signal does not pass through
the tone pitch circuit.
MD1: The received audio is passed without roll-off on
the high or low ends.
MD2: The received audio is enhanced in the low- and mid-
range frequencies.
MD3: The received audio is enhanced in the mid- and
high-range frequencies.
USR: The received audio is shaped per a user-configured
audio response programmed via Menu Items 26
“UP_L,” 27 “UP_M,” and 28 “UP_H.” The de-
fault setting enhances the audio in the lower fre-
quency range, and reduces the level of the higher-
frequency components.