Operating Your Radio
No display on LCD when
radio is turned On
Batteries are exhausted
Batteries not installed
properly
Recharge or
replace batteries
Remove batteries and
reinstall according to
polarity markings
Batteries run
down quickly
Batteries are at the
end of their life
Replace with new batteries
Will transmit at
one (1) or three (3) watts,
but not at six (6) watts
Batteries are low
Selected channel is imited
to one (1) watt
Recharge or
replace batteries
Switch to
another channel
Will not transmit Selected channel is limited
to receive only
Switch to
another channel
No sound from speaker Volume level is too low or
squelch level is too deep
Re-adjust volume
and squelch
No response to
button press
Button lock is On Press Backlight/
Key Lock button
Problem Possible Cause(s) Solution(s)
Maintenance
•
Very little maintenance is required to keep your CobraMarine VHF radio
in good operating condition:
n
Keep the radio and charger clean by wiping with a soft cloth and mild detergent.
Do not use solvents or harsh or abrasive cleaners, which could damage the case or
scratch the LCD screen.
n
If the radio is exposed to salt water, wipe with a soft, moist cloth at least once a day
to prevent buildup of salt deposits, which could interfere with button operation.
n
If the radio will be stored for a long period, such as over the winter,
remove the batteries from the battery tray and store them in a separate
package. This is especially important if you are using alkaline batteries.
Troubleshooting
•
BURP
Floating Radio
This radio is designed to oat if dropped overboard. The ashing
light at the bottom of the radio will activate as soon as it makes
contact with water and the orange center makes it visible and
easy to retrieve. This rugged radio is also designed to meet JIS8
(IPX8) specications. This means it’s designed to operate properly
after being submerged in more than one meter deep water for 30
plus minutes.
NOTE
The radio must be turned on for the strobe light to operate.
NOTE
Do not leave the radio oating in water permanently. This
could cause premature corrosion of the battery contacts and
other damage.
NOTE
The radio is only designed to oat with its included Lithium-
ion battery. Using other approved batteries might cause
the radio to sink. This includes the optional AA battery tray,
depending on the weight of the AA batteries used.
Burp Feature
Cobra’s Burp feature allows the operator to expel water from
inside the speaker grill. This is especially useful if the radio is
dropped overboard or during extreme foul weather conditions. In
these conditions, water can become trapped in the speaker grill
and mufe the audio.
To Activate Burp:
1. Press the MORE soft key until the BURP soft key
appears.
2. The Burp tone(s) at maximum level will sound
from the internal speaker for eight seconds.
3. During this time, the matrix will display EXCUSE ME!.
4. Hold the radio with the speaker grill down to help
the water drain out.
5. After an 8-second interval, the radio will return to
standby.
MRHH600_ENG_MANL.indd 46-47 4/3/17 5:03 PM
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