Raymarine Ray101 User Manual download pdf (Page 4)

noisy places, and if you can’t hear the

output, it doesn’t really matter how

well the transmitter or receiver works.

To rate the audio system of each radio,

we measured the sound pressure at

maximum volume while generating

a 1 KHz tone with the COM3010 and

inputting the tone into the radio. Mea-

surements were taken at a distance

of 1 foot using a Radio Shack decibel

meter. Our tester also rated each audio

system with a voice input by monitor-

ing a weather channel and rating the

quality of sound reproduction.

A submersion test was conducted

on each radio to conﬁrm it as water-

proof. The tester turned on the radios

and submerged them in a bucket of

fresh water for 30 minutes. After

value guide: HandHeld vHFs over $175

MAKER RAYMARINE STANDARD HORIZON ICOM STANDARD HORIZON WEST MARINE STANDARD HORIZON STANDARD HORIZON ICOM

Model

Ray101 HX370S

ICM72

HX500S VHF 250 HX471S HX600S ICM88

Price $179.99

$179.99

$199.99 $199.99 $219.99 $299.99 $249.99 $271.95

Price Source pyacht.com pyacht.com westmarine.com westmarine.com westmarine.com westmarine.com pyacht.com pyacht.com

AA or AAA Battery Pack Included Included N/A

Optional Included Optional Optional Optional

Battery Warranty Period (Months) 0 18 12 18 12 18 18 12

Battery Type

Nickel Metal Hydride Nickel Metal Hydride Lithium Ion Nickel Metal Hydride Lithium Ion Lithium Ion Nickel Metal Hydride Lithium Ion

Battery Capacity (mAH)

1300 1400 2000 1400 1400 1400 1400 1700

Battery Replacement Cost

$22.50 $65 $129.99 $65 $69.99 $83 $65 $122

Maximum Charge Time

24 10 14 10 12 3 10 10

Claimed Time of Operation (single charge) (hrs) N/A

18 15 to 16 14 10 10 to 12 14 15

Tested Time of Operation (single charge) (hrs)

9 15+ 15+ 13 14 13 15+ 15+

Head Set N/A Optional Optional Optional N/A Optional Optional N/A

External Speaker/Microphone N/A Optional Optional Optional Optional Optional Optional Optional

Scrambler N/A Optional Yes Optional No Optional Optional No

*Frequency Bands M M, L M M A, AM, F, FM, M A, AM, F, FM, M, R A, AM, FM, M L, M

DSC Capabilities

No No No No N/A MMSI/LL MMSI/LL N/A

Unit Size (Inches W x H x D)

2.6 x 6.3 x 2.0 2.5 x 5.4 x 1.8 2.2 x 5.4 x 1.4 2.5 x 4.8 x 1.9 2.7 x 5.1 x 1.7 2.6 x 5.5 x 1.6 2.5 x 4.8 x 1.9 2.4 x 4.4 x 1.6

Weight (Ounces) 12.8 13.4 9.9 13.0 8.8 9.3 13.0 9.9

Tx Settings (Watts)

5/1 5/2.5/1 6/3/1 5/2.5/1 5/2.5/1 5/2.5/1 5/2.5/1 5/3/1

Transmitter Power Output and Stability

Good Good Excellent Excellent Good Good Excellent Good

Transmitter Frequency Stability

Good Excellent Fair Good Good Good Excellent Good

Receive Sensitivity Good Good Excellent Excellent Good Excellent Excellent Excellent

Selectivity (dB) 70 70 70 65 72 65 65 70

Display Rating

Good Excellent Excellent Excellent Excellent Good Excellent Good

Audio Output (dBA at 1 foot)

85 88 99 92 83 87 92 93

Audio Quality

Good Good Good Excellent Good Good Excellent Good

*Aircraft (A), AM Broadcast (AM), Family (F), FM Broadcast (FM), Land Mobile (L), Marine (M), Multi-Use Radio Service (R).

Right: We used a Ramsey COM3010

communications service monitor to re-

cord and rate transceiver speciﬁcations.

drop test to conﬁrm the radios sur-

vivability. Each radio was turned on

then dropped from a height of 4 feet

onto concrete. Again, all of the radios

passed this test.

The clock started ticking for the

battery-life test immediately follow-

ing charging. We allotted the ﬁrst

hour of use to run our bench tests.

Radios were off during their time

in our environmental chambers and

then turned back on the following

day and allowed to run continuously

for the next 14 hours. We transmitted

at full power for about three minutes

every hour and received voice signals

for about ﬁve minutes every hour

until the battery died or the unit be-

gan to malfunction. Total battery test

time was 15 hours. Radios still fully

functional at that time were rated at

15+ hours of battery life.

In the ﬁnal analysis, we considered

performance, cost (initial and battery

replacement), warranty (both unit

and battery), battery life, included

equipment, recharge time, display,

and audio output.

Icom IC-M72

Ergonomically, the IC-M72 tops the

ﬁeld. It’s lightweight, ﬁts into one

hand well, and is comfortable to hold

and use. The most powerful battery in

the ﬁeld provides the muscle for a six-

watt transmitter, the highest output

power rating of any handheld VHF

we’ve tested. Tested battery life was

excellent with the transmitter still

removal, we checked the radio for

proper operation immediately and

then again the next day. All of the

radios passed this test.

Since a user typically carries a

handheld radio either in hand or on

a belt clip, we elected to perform a

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