Furuno MARINE VHF RADIOTELEPHONE FM-3000 - Manual (Page 66)

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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]+[Y Y]/[Z Z]
and [SQL]+[Y Y]/[Z Z] 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 [Y Y]/[Z Z] to adjust the
backlight level.
• The backlight level is adjustable
between 0 (light OFF) and 7
(brightest).
F or your reference:
Pushing [Y Y]/[Z Z], 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.