Furuno FM-3000 - Lock Functions; Display Backlighting

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13. FM-3010 CONTROLLABLE MIC
13.5 Lock Functions
The Lock function electronically locks keys to prevent acci-
dental changes and function access from the microphone.
• All keys and controllers on the transceiver are functional.
13.5.1 Activating the Lock function
➥ While pushing [
H/L
], push
[
SQL
]( ) to turn the Lock
function ON or OFF.
• “ ” appears.
• Only [
PWR
], [
PTT
], [
H/L
],
[
SQL
]( ) , [
VOL
]+[
YY
]
/
[
ZZ
]
and [
SQL
]+[
YY
]
/
[
ZZ
] are functional.
13.5.2 Activating the All key lock function
➥ While pushing [
H/L
], turn the
power ON by pushing [
PWR
]
to turn the All key lock function
ON or OFF.
• “ ” blinks.
• Only [
PWR
] and [
PTT
] are func-
tional.
13.6 Display Backlighting
The function display and keys can be backlit for better visibil-
ity under low light conditions. The backlighting condition can
also be adjusted independently from the transceiver.
q Push [
VOL
]( ) for 1 sec.
to enter Backlight adjusting
mode.
•“ ” with the number of the
backlight level appears in the
channel comment indicator.
w Push [
YY
]
/
[
ZZ
] to adjust the
backlight level.
• The backlight level is adjustable
between 0 (light OFF) and 7
(brightest).
For your reference:
Pushing [
YY
]/[
ZZ
], while [H/L] is pushed, also adjusts backlight
level.
• No backlight level indication is available.
DIM
L
MONI
L
MONI
Appears when the lock
function is in use.
Appears while in the
Backlight adjustment
mode.
Blinks when the all lock
function is in use.