Vertex Standard VXA-300 PILOT III Operating Manual page 53

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)
VXA-300 P O
ILOT
M "S
ENU
M
PERATING ANUAL
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ET ODE
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.
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