Yaesu FT-7900R, Руководство по эксплуатации, Страница: 25 / 84

23 FT-7900R O
PERATING
M
ANUAL
A
DVANCED
O
PERATION
L
OCK
F
EATURE
In order to prevent accidental frequency change or inadvertent transmission, the FT-7900R
panel switches, microphone switches (except the
PTT
switch), and
DIAL
knob may be locked
out.
To activate the lock feature, press and hold in the [
(
L
)]
key for 1/2 second. The “ ” icon will appear on the
LCD.
To disable the lock feature, press and hold in the [
(
L
)]
key for 1/2 second again.
You may change the lockout combinations by
Menu #21 (LOCK). See page 73 for details.
K
EYBOARD
B
EEPER
A key/button beeper provides useful audible feedback whenever a key/button is pressed.
If you want to turn the beep off:
1. Press and hold in the [
BAND
(
SET
)] key for 1/2 second to enter the Set mode.
2. Rotate the DIAL knob to select Menu #5 (
BEEP BEEP
BEEP BEEP
BEEP
).
3. Press the [ BAND
(
SET
)] key momentarily, then rotate
the
DIAL
knob to change the setting to “
OFF OFF
OFF OFF OFF
.”
4. Press the [
BAND
(
SET
)] key momentarily to save the
new setting, then press and hold in the [
BAND
(
SET
)]
key for 1/2 second to exit to normal operation.
5. To turn the beep back on again, select “
KEY KEY
KEY KEY KEY
” or “
KEY+SC KEY+SC
KEY+SC KEY+SC KEY+SC
(default)” in step 3 above.
KEY KEY
KEY KEY KEY
: The beeper sounds when you press any key.
KEY+SC KEY+SC KEY+SC KEY+SC KEY+SC
: The beeper sounds when you press a key, or when the scanner stops.