Controls and Indicators
Button
Press to...
Press and hold to...
16/67/TRI
1st press: Go to
channel 16.
2nd press: Go to
channel 67.
3rd press: Go back
to the starting
channel.
Turn Triple/Dual Watch on
and off. Triple/Dual setting
has to be selected in the
Menu.
SCAN/MEM
Turn on/off Scan
function.
Save a channel into
memory or delete a
channel from memory.
BAND/MENU
Select UHF CB band
or VHF Marine band.
Enter the Menu function.
PTT (Push to
Talk)
NA
Talk/transmit on a channel.
BOOST
NA
Transmit with a higher
power level.
VOL/LOCK
Enter volume setting
condition.
Select Key Lock function.
INST
Instant CH Call
Instant CH programming
WX/POWER
Select WX channel
Turn on or off radio’s
power.
9
UHF CB+VHF Marine Radio
UNIDEN MHS157
Battery
Charging
Contacts
Battery Cover Screw
(under belt clip)
Belt Clip
