User's Manual

9
microphone. This prevents accidental channel
changes and function access.
→ While pushing and holding [HI/LO] on the
microphone, turn power ON to toggle the
microphone lock function ON and OFF.
Display backlighting

The function display and keys can be backlit
for better visibility under low light conditions.
→ While pushing and holding [SCAN], push [▲] or [▼] to adjust the brightness of
the LCD and key backlight.
The backlight is selectable in 3 levels and OFF. 
AquaQuake water draining function

AquaQuake helps drain water away from the speaker housing (water that might
otherwise muffl e the sound coming from the speaker). The transceiver emits a vi-
brating noise when this function is being used.
While pushing and holding 1. [▲] and [▼], turn power ON.
“AQUA QUAKE” appears. 
A low beep tone sounds while 2. [▲] or [▼] keys are held to drain water, re-
gardless of [VOL] control setting.
The transceiver never accepts a key operation while the AquaQuake func- 
tion is activated.
Channel comments

Memory channels can be labeled with a unique alphanumeric ID of up to 10 char-
acters each. More than 6 characters comment scrolls automatically at the channel
comment indicator after the channel selection.
Capital letters, small letters (except f, j, k, p, s, v, x, z), 0 to 9, some symbols (=*+ - .
/) and space can be used.
Select the desired channel.1.
Cancel Dualwatch, Tri-watch or scan in advance. 
While pushing 2. [CH/WX], push [16] to edit the channel comment.
A cursor and the fi rst character start blinking alternately. 
Pushing 3. [▲] or [▼] to select the desired character.
Push  [16] or [CH/WX] to move the cursor forward or backward, respec-
tively.
Repeat step 4. ③ to input all characters.
Push 5. [DSC] to input and set the comment.
Push  [SCAN] to cancel.
The cursor and the character stop blinking. 
Microphone lock function

The microphone lock function electrically locks [▲] and [▼] keys on the supplied