Motorola MS355R User Guide - Page 3

For maximum clarity, hold the radio two to three inches away

from your mouth and speak directly into the microphone. Do not

cover the microphone while talking.

Talk Range

This radio is designed to maximize performance and improve

transmission range. Do not use the radios closer than five feet

apart.

Power Boost

To boost the radio’s power up to high power, press the top portion

of the

button when talking. If you know your party is close by,

you can conserve the battery’s energy by pushing the lower part

of the

button to use less power.

Note:

If you are on an FRS only channel (see “Channels and

Frequencies” tables on overleaf for details) the radio will only use

low power when either portion of the

is pressed.

Monitor Button

Use the Monitor function to check if a channel is currently in use

by others. For maximum range performance, the Monitor

function will also help you to hear signals that are weak.

To latch the Monitor function on, Press and hold

for three

seconds. When an empty channel is located, you will hear

continuous static and noise on that channel.

To turn the Monitor function off, tap a second time or press

.

Push to Talk

Timeout Timer

To prevent accidental transmissions and save battery life, the

radio emits a continuous warning tone and stops transmitting if

you press

for 60 continuous seconds.

Menu Options

There are 12 options you may set to your preferences. Each press

of the MENU key advances you to the next option setting. Press

the

or

keys to change the setting. The menu will

automatically close 5 seconds after the last press of any button.

After the last menu item, the radio exits MENU mode and returns

to operation of the radio. A press of the

button while setting

any menu option will immediately save all your settings and return

to operation of the radio.

All MENU settings will revert back to the factory default values if the

battery is fully discharged or removed for more than 30 seconds.

Menus and Values

1. Channel (1-22 and 15R-22R)

2. Interference Eliminator Code (1-121 or OFF)

3. Call Tone (1-10 or OFF)

4. iVOX (ON/OFF)

5. VOX sensitivity (1-3)

6. QT Noise Filtering (ON/OFF)

7. VibraCall (ON/OFF)

8. Keypad Tones (ON/OFF)

9. Talk Confirmation Tone (ON/OFF)

10. Auto Power Off (30/60/90 minutes or OFF)

11. Repeater Channel Enable (ON/OFF)

12. Repeater Transmitted Interference Eliminator Code

Selecting the Channel

This radio has 22 simplex channels plus 8 repeater duplex

channels. Channels are shared by other radio users and channel

selection will vary based on your location. Select a channel that is

not being used from the 22 available simplex channels. Channels

8-14 are low power (FRS 0.5 watt). All other channels are GMRS.

When the radio is on a FRS 0.5 watt channel,

displays. When

the radio is on a GMRS 1.5 watt channel,

displays.

The 8 GMRS repeater duplex channels 15R – 22R are disabled

by default. See

”Enabling Repeater Channels”

on overleaf in

order to select a repeater channel.

See the

“Channels and Frequencies”

tables on overleaf for

details on channel frequencies.

1.

Press

. The current channel setting flashes.

2.

Press

or

and select the channel.

3.

Press

to save the channel setting or

to continue set up.

Selecting the Interference Eliminator Code

This radio has 121 Interference Eliminator Code settings. When a

channel is in use by 2 or more groups, this feature blocks the

reception of signals that do not carry the matching tone or code.

There are 121 privacy codes. 0 is the off position, no codes are

enabled, and all users of that channel will be heard.

Note:

When you connect a headset, the radio is automatically

set to the last chosen sensitivity level.

Q

T

Noise Filtering

The Q

T

noise-filtering feature helps to ensure uninterrupted

communication with other Motorola radios that have this

feature. This feature also filters out unwanted transmissions

from other radios. This is useful in places where there is

heavy radio traffic, such as amusement parks or ski resorts.

Note:

Q

T

noise filtering is not available when the radio is

scanning.

To turn Q

T

noise filtering on or off:

1.

Press

until

displays. The current setting On/Off

will flash.

2.

Press

or

to turn noise filtering On or Off.

3.

Press

to confirm your selection or

to continue

set up.

To transmit to a radio that has Q

T

noise filtering turned on:

1.

Select the same channel and Interference Eliminator

Code as the other radio.

2.

Press to send a call tone. This allows your voice to

pass through the Q

T

noise filter on the receiving radio.

3. Press

and speak normally.

Note:

If you skip step 2, the beginning of your message may

not be heard on the receiving radio. For a 30-second period,

starting after the last transmission, all transmissions

received on the selected channel and code will pass

through the Q

T

noise filter.

VibraCall

TM

Alert

VibraCall

TM

is a vibrating alert that notifies that the radio is

receiving a message. This is useful in noisy environments. When

the alert is on, the radio vibrates once every 30 seconds when

you receive a message on the channel and code you set.

1. To turn vibrating alerts on, press

until

is displayed. The

current setting will flash.

2. Press

or

to change the setting to On/Off.

3. Press

to set or

to continue set up.

Keypad Tones

You may enable or disable the speaker key tones. You will hear

the key tone each time a button is pushed.

1.

Press

until

appears. The current setting On/Off will flash.

2.

Press either

or

to turn On or Off.

3.

Press

to confirm or

to continue set up.

Note:

When the key tone feature is off, the following are not disabled:

•

Transmit timeout alert tone

•

Call tone

•

Low battery alert tone or

•

The transmitted talk confirmation tone

Transmitting a Talk Confirmation Tone

You can set this radio to transmit a unique tone when you finish

transmitting. It is like saying “Roger” or “Over” to let others

know you are finished talking. Talk Confirmation Tone is disabled

in repeater mode on channels 15R-22R.

1.

Press

until the

appears. The current setting On/Off

flashes.

2.

Press

or

to turn On or Off.

3.

Press

to set or

to continue setup.

Auto Power Off

Your radio will save power by automatically turning itself off if

unused after a predetermined amount of time.

1.

Press

until

displays. The current setting (0, 30, 60 or 90)

will flash.

2.

Press

or to set the time to 30 minutes, 60 minutes or

90 minutes. When this feature is activated, the

will remain

on the display.

3.

When you exit the Menu mode, the timer will begin. If a

button is pressed, or if there is an incoming signal, the timer

will restart.

4.

Press

to confirm or

to continue set up.

Enabling Repeater Channels

Use of a repeater can greatly increase the radio range and

coverage area. Repeater use must be coordinated with the

owner of the repeater. Be sure to understand and follow the

sharing and usage rules for each repeater system.

See the

”Interference Eliminator Tone / Code Values”

table on

overleaf for details on tone frequencies and code values.

1.

Press

until the code starts to flash.

2.

Press

or

to select the code.

3.

Press

to save the code setting or

to continue set up.

You can set a different code for each channel using this

procedure. An extended press of

or

allows you to scroll

rapidly so you can quickly reach the code you want.

This menu setting for repeater channels 15R-22R is used for

receiving only. The value must match with the repeater output.

Many repeaters will require a value of 0 or OFF. The transmitted

code is set separately and is often required for repeater access.

See

”Selecting the Repeater Access (TX) Code”

on overleaf for

additional information.

Note:

You must set the Interference Eliminator Code to 0 to

communicate with radios that do not have Interference

Eliminator Codes.

Setting and Transmitting Call Tones

This radio can transmit different call tones to other radios in your

group so you can alert them that you want to talk. The radio has

10 call tones from which to choose

.

To set a call tone:

1.

Press

until the current call tone setting flashes and

appears.

2.

Press

or

to change and hear the call tone.

3.

Press

to set the new call tone or

to continue set up.

To transmit your call tone to other radios set to the same

channel and Interference Eliminator Code as your radio,

press

.

Note:

Setting the call tone to 0 disables the call tone feature.

Hands-Free Use Without Accessories (

)

You can use the iVOX feature to transmit hands-free without the

need for any headset accessories. Once iVOX is turned on, the

radio detects your voice and transmits when you speak into the

internal microphone.

1.

Press

until

appears on the display. The current

setting On/Off will flash.

2.

Press

or

to select On or Off.

3.

Press

to set or

to continue set up.

Hands-Free Use With Accessories (

)

You can transmit hands-free more reliably with the use of

optional headset accessories. Once VOX is turned on, the radio

detects your voice and transmits when you speak.

Many accessories (sold separately) are available for this radio. For

more information, visit our Web site at www.motorola.com or

shop.giantintl.com.

1.

Turn the radio off and plug the VOX accessory into the

accessory port.

2.

Turn the radio on. VOX shows on the display.

3.

Adjust the volume appropriately by pressing

or

. Lower

the volume before placing the accessory on your head or in

your ear.

4.

To turn off, simply remove accessory.

Notes:

•

There is a short delay between the time you start talking and when

the radio transmits. There is a short delay before the transmission is

completed.

•

The accessory port cover must be tightly in place to

maintain the water tight seal of the radio.

Setting the Sensitivity Level When in

Mode

Adjusting the radio’s sensitivity level helps minimize the

possibility of unintended noises triggering a transmission and

helps the radio pick up soft voices.

1.

Press

until VOX and the level setting (1 - 3) appear on the

display.

2.

Press or to select the sensitivity level.

3.

Press

to set or

to continue set up.

3 = High Sensitivity

for quiet environments

2 = Medium Sensitivity

for most environments

1 = Low Sensitivity

for noisy environments

3

MS350 Series

Motorola MS355R User Guide - Page 3

Menu Options - radio

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