Setting The Uic Channel Mode; Setting Key Lock - Uniden MHS338BT Owner's Manual

signal to be stronger to be seen as a transmission. If you set the squelch too high, you
will risk not receiving transmissions that are lower than that threshold. Reducing the
squelch allows weaker signals to be accepted. However, if you lower the squelch too
much, you will hear white noise all the time.
The squelch feature reduces static on the speaker by filtering out any background
channel noise. At the lowest squelch level, the speaker plays all signals, including any
channel noise. Setting the squelch level higher filters out noise and lets only actual radio
transmissions through.
1. While listening to a channel, press VOL/SQ twice to enter Squelch Setting mode.
2. Press ▲ to increase the squelch or ▼ to decrease it (squelch levels = 0 - 15).
3. Press the CLR key or press VOL/SQ again to set that level and return to the Idle
screen.
Strong signals
Weak signals
Noise
Squelch
NOTE: Setting the squelch level too high may prevent you from hearing weaker
transmissions. If you are having difficulty hearing a transmission, try setting
the squelch level lower.

SETTING THE UIC CHANNEL MODE

You can select marine channels for the USA, Canada, or International waters.
Press MENU, then select RADIO SETUP/CHANNEL MODE. The CHANNEL MODE
1.
screen displays.
Select USA, CANADA, or INTERNATIONAL and press the SELECT soft key. The
2.
RADIO SETUP screen displays again.

SETTING KEY LOCK

You can lock the keypad through pressing and holding the
displays if you press a key while keylock is on.
Unlock it by pressing and holding the
NOTE: Key Lock does not affect the PTT, MON, or DISTRESS keys. If DISTRESS is
pressed, KEY LOCK turns off and UNLOCK displays.
E-26
No Medium
Squelch Squelch
MHS338BT Radio Owner's Manual
High
/LOCK key again. UNLOCK displays.
/LOCK key. KEY LOCK