Raymarine Ray101 Manual do Utilizador descarregar pdf (Página 5)

pumping out plenty of power even

after 15 hours of use. One downside:

Replacing the battery will cost you

nearly as much as the radio itself:

$130.

Overall performance ratings on

the IC-M72 were Good to Excellent,

though it fell a bit short in two areas.

It scored only a Fair for transmitter

frequency stability because the trans-

mitter went off frequency by a small

amount after emerging from the heat

chamber. It was still within design

speciﬁcations and completely usable,

however.

Following submersion, we noticed

the battery compartment had some

minor water intrusion. According to

Icom advertising manager, Dave Kru-

zic, water in the battery area is not a

problem for Icom radios. “There is no

huge gasket between battery and radio

to prevent water intrusion. Where it

is important to protect against water

intrusion is where the battery contact

points meet the radio mainframe. If

you look at both the M72 and M88,

the gasket is small and only covers

this critical area. If you submerge the

radios with the battery properly ﬁt-

ted in place, remove from water and

shake the radio off, you should hear

a small suction ‘snap’ when removing

the battery and the contact point seal

is disrupted. It should be dry in that

small area. The rest is unimportant.”

This radio is operated with a rotary

on/off/volume control located on top,

a push-to-talk and a squelch button

on the side, and six pushbuttons on

the front panel. Controls on the front

select transmitter power, channel

changing, weather, quick 16 or 9, and

scanning. An optional microphone

or speaker connects through a port

in the top.

Bottom Line: A well-built radio

with highly rated ergonomics, good

performance, and excellent battery

life. Battery replacement cost is high.

Icom IC-M88

This expensive sub-compact packs

a load of features into a lightweight

package about the size of a bar of soap.

The M88 operates by using the rotary

on/off/volume control located on top,

a push-to-talk and a squelch button on

the side. Six front-panel pushbuttons

control transmitter power, channel

changing, weather, quick 16 or 9, and

scanning. An optional external speak-

er/microphone plugs in on the side.

The M88 earned Good or Excellent

ratings across the board. During the

battery-life test it was one of only four

radios still functioning after 15 hours

and it was going strong even then,

pumping out plenty of transmitter

power during our ﬁnal check.

This radio shares two less-than-de-

sirable traits with its sibling, the M72:

It has a very expensive battery ($122)

and it had some water in the battery

area following our dunk test. See the

Icom IC-72 text for Icom’s explanation

as to why water in the battery area is

not a big deal.

Bottom Line: A great performer,

but it’s expensive and so is battery

replacement.

Raymarine Ray101

At about twice the size of the diminu-

tive Icom M88, the Ray101 is the hefti-

est handheld in this test. It uses six

AA-size nickel metal hydride batter-

ies contained in a sealed battery pack

that ﬁts securely to the back of the

unit. This setup gives the Ray101 the

lowest battery replacement cost in the

group, as well as the opportunity to

quickly install standard AA batteries

should the need arise. Unfortunately

this setup also yielded the worst per-

formance in our battery life test by

only lasting nine hours. Raymarine

communications manager Nancy

Baumgartner commented on the

Ray101 batteries. “Since the battery

is a consumable item, it is not covered

under the 3-year radio warranty. One

of the major advantages of the Ray101

is that it does not use a proprietary

battery pack; instead the consumer

can go to any retail store in the US and

buy regular AA rechargeable NiMH

batteries for a fraction of the price of

the proprietary custom batteries used

by other radio manufacturers.

Ray101 also allows ﬂexibility for

the users to upgrade their batteries to

the bigger capacity battery. Upgrading

to the bigger capacity battery would

instantly increase the battery life and

make the radio up to date to the latest

battery technology.”

Two rotary knobs are mounted on

the top of the unit: an off/on/volume

control and a squelch control. The

side-mounted, push-to-talk switch

is too hard to press, in our opinion.

Seven front panel pushbuttons select

transmitter power, scanning options,

channel change, weather, panel back-

lighting, and quick 16.

Left: A few drops of water got inside of

the Icom IC-M88’s battery compartment

after our dunk test, but a gasket pro-

tects the battery-to-radio connection.

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