Advanced Operation; Keyboard Locking - Yaesu FT-252 Operating Manual

Now that you have mastered the basics of FT-252 operation, let's learn more about
some of the really neat features.
To activate the locking feature, press the [ POWER ( )] key momentarily.
To cancel locking press the [ POWER ( )] key momentarily again.
In order to prevent accidental frequency change or inadvertent transmission, various
aspects of the FT-252 's DIAL and keypad may be locked out. You may change the lock-
out combinations.
To lock out some or all of the keys:
1. Press the [ SET/ATS ] key to enter the Set mode.
2. Rotate the DIAL knob or press the [ p ] / [ q ] key to select
Set Mode Item 22:
3. Press the [ SET/ATS ] key momentarily to enable adjust-
ment of this Item.
4. Rotate the DIAL knob or press the [ p ] / [ q ] key to select the desired locking scheme
as listed below:
: Just the front panel keypad is locked out
LK KEY
: Just the top panel DIAL is locked out
LKDIAL
: Both the keypad and DIAL are locked out (factory default)
LK K+D
: The PTT switch is locked out (TX not possible)
LK PTT
: Both the PTT switch and keypad are locked out
LK P+K
: Both the PTT switch and DIAL are locked out
LK P+D
: All of the above are locked out
LK ALL
5. When you have made your selection, press the PTT switch to save the new setting
and return to normal operation.
FT-252 O
peraTing

Keyboard Locking

.
LOCK
M
anual

Advanced Operation

11