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10

4. If someone answers, key the transmitter to talk and release to

listen.

5. When transmission is complete, “hang up” the connection by

pressing the # button on the keypad.

Receive

Select the channel you want to receive as indicated above. Scan
operation may be activated as described below to automatically
monitor a number of channels.

Channel Scan

In the scan mode, the radio alternately monitors each channel until it
receives a call. You can scan all channels in the programmed scan list,
or you can modify the scan list by locking out individual channels
from being scanned.

1. Press the SC key to begin scanning. The LCD SC indicator begins

to flash.

2. The radio stops on any channel that receives a call, the LCD SC

indicator is displayed continuously and you hear the caller. When
the transmission stops, the radio resumes scanning after a brief
delay.

3. To disable scanning, press SC again.

Priority Scan

If your radio has been programmed for Priority Channel operation, the
radio will sample the Priority Channel between any other receiving
channel during Scan Mode. This is usually the channel you use for
most of your communications. (Depending on programming, the
Priority Channel may be pre-programmed or it may be the channel you
select during scan.)

Modify the Channel Scan List with Channel Lock Out

Deleting channels (from the channel scan list) increases the scanning
speed. Use the (

) or (

) to select the desired channel

11

and press SC. The channel display increments to the next higher
channel. The LCD L/O indicator appears as the first character of the
channel designator when the locked out channel is reselected.

Nuisance channels may also be deleted while scan is active, by
pressing the L/O button while receiving the channel or during the
delay after the signal is gone but before scan resumes.

To remove the lock-out condition from a channel, manually select the
channel and press L/O again.

Drop Out Delay

While scanning, the radio stops at a busy channel and receives a
transmission. When the received call is over, it resumes scanning after
a short delay.

Transmit During Scan

Depending on how your radio is programmed, you will transmit on a
particular channel during the scan function.

Talk Back

 - If programmed for Talk Back operation, transmit

will always occur on the last received channel, even if scan has
resumed when the PTT button is pressed.

Programmed Channel

 - If a specific channel has been

programmed, transmit will always occur on that channel.

Selected Channel 

- If programmed for user selection, the

current selected channel will be the transmit channel, which
may be changed at any time during scan operation. You may
select the desired transmit channel by use of the Channel Up
or Down keys or the A/B/C keys programmed for instant
channel select.

Transmit Time Out Timer

Continuous transmission time may be limited by programming
selection. Five seconds before the timeout, caution beeps will sound
every second. After five seconds, transmission will stop and

Содержание SMH250D

Страница 1: ... Guide RELM WIRELESS CORPORATION 7100 Technology Drive West Melbourne FL 32904 ULZZ01101ZZ 7100 Technology Drive West Melbourne FL 32904 2000 RELM Wireless Corporation All Rights Reserved W I R E L E S S C O R P O R AT I O N ...

Страница 2: ...ching or close to the eyes faces or exposed body parts DO NOT operate the transmitter of any radio equipment unless all the Radio Frequency RF connectors are secure and any open connectors are properly terminated DO NOT operate the transmitter of any radio equipment near electrical blasting caps or in an explosive environment DO NOT let children operate any transmitter equipped radio equipment Hav...

Страница 3: ...t BCLO 12 A B C Key Functions 12 Function Tones 13 Telephone Interconnect Functions 14 Radio Installation Considerations 15 Power Requirements 15 Antenna 15 Mounting 15 Operational Check 16 Accessories 16 Technical Support and Service 16 Two year Limited Warranty 17 18 Registration Card is returned on the condition that other evidence satisfactory to Uniden of the date of the original installation...

Страница 4: ...and workmanship Equipment and accessory items not manufactured by RELM carry the standard warranty of the manufacturer thereof WARRANTY DURATION The warranty period for all parts is two 2 years The warranty period shall commence upon installation of the equipment or two 2 months from the date of shipment from the factory whichever comes first The warranty shall terminate and be of no further effec...

Страница 5: ... a complete operational check by your Uniden Dealer will assure you of a quality installation Accessories Standard Microphone AMX100A DTMF Encode Microphone AMX101A Heavy Duty Microphone AMX105A Mobile Power Cord w Fuse 15A AMX120A Base Station Microphone AMX151 External Speaker 4 ohm 10 Watt AMX250 110VAC Power Supply with built in speaker ST14P1001 220VAC Power Supply with built in speaker ST14P...

Страница 6: ...rotect the power source compartment and passenger compartment from fire and electrical hazards The AMX 120A Power Cable is equipped with an in line 15 ampere fuse If the radio is connected directly to the vehicle battery a fuse must be installed as close to the battery terminal as possible Route power leads to minimize proximity to other electrical systems such as instruments engine electrical com...

Страница 7: ...inning 5 seconds before transmitter shutoff occurs TOT Error Tone a high pitch tone sounding as long as the PTT is held after TOT has occurred Priority Tone a short high pitch beep sounding during scan when the Priority Channel is received and when the programmed Priority Channel is selected Telephone Interconnect Functions Phone Book Any of 10 pre stored memory numbers can be recalled by the A B ...

Страница 8: ... may be programmed for this function TX Disable inhibits the transmit function when active To disable transmit press and hold the key far at least 1 5 seconds The LCD TX DISABLE display appears and the Disable Tone sounds Transmit on all channels will be inhibited when activated Press and hold again for at least 1 5 seconds to enable normal transmit operation Squelch Level Select allows control of...

Страница 9: ... Lockout BCLO The radio may be programmed to inhibit transmit while a signal is being received If so an error tone will sound if PTT is pressed while the channel is busy BCLO may also be programmed to allow transmit to occur if you are receiving a signal from someone in your system allowing you to maintain control of a repeater during your conversation A B C Key Functions The A B and C keys can be...

Страница 10: ...or to select the desired channel 11 and press SC The channel display increments to the next higher channel The LCD L O indicator appears as the first character of the channel designator when the locked out channel is reselected Nuisance channels may also be deleted while scan is active by pressing the L O button while receiving the channel or during the delay after the signal is gone but before sc...

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