50
Advanced Operation
Changing the Channel Steps
The synthesizer of the
FTA-750L/FTA-550/FTA-
450L
provides the option of utilizing channel steps of
8.33/25 kHz per step.
The
FTA-750L/FTA-550/FTA-450L
are set up with
default channel steps of 25 kHz (NAV and COM bands).
If you need to change the channel step increments, se-
lect “
8.33kHz
” on the item “
FREQUENCY STEP
” of the
COMM SETUP
menu in the SETUP mode.
FREQUENCY STEP
TX TOT
AF PITCH CONT.
MIC SELECT
SIDE TONE
VOX
VOX LEVEL
VOX DELAY
COMM SETUP
FREQUENCY STEP
25kHz
8.33kHz
COMM SETUP
PTT Lock Function
This function prevents accidental transmissions by lock-
ing or disabling the PTT switch.
Turning lock/unlock the PTT lock function
You may selects enable or disable the PTT lock func-
tion.
1. Press the [
MENU
] key to display the
MENU
screen.
2. Select “
SETUP
” on the screen by pressing the [
◄
] or
[
►
] key, and then press the [
ENT
] key.
3. Select “
CONFIGURATION
” on the screen by pressing
the [
◄
] or [
►
] key, and then press the [
ENT
] key.
4. Select “
PTT LOCK
” on the screen by pressing the [
◄
]
or [
►
] key, and then press the [
ENT
] key.
5. Select "
UNLOCK
" or "
LOCK
" by pressing the [
◄
] or
[
►
] key, and then press the [
ENT
] key.
DIMMER
LAMP
CONTRAST
KEY BEEP
TIMER ALARM
BATTERY SAVE
LOCK SELECT
PTT LOCK
CONFIGURATION
PTT LOCK
UNLOCK
LOCK
CONFIGURATION