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Signal meterThe signal meter indicates the relative strength of the incomingsignal in numerical format. Signal strengths are displayed on theright of the Channel Display in values from 0 to 9. Signals abovestrength 9 are displayed as 9 .BrightnessThe OLED display and keys are backlit for easier viewing undera wide range of lighting conditions. The backlight remains onwhenever the radio is switched on. The brightness level can besmoothly adjusted in steps from 0 to 10. To adjust the brightnesslevel, refer to the MENU / RADIO SETTINGS options.A Dim function can also be assigned to the programmable XRSkey to quickly switch the brightness level to minimum for low lightviewing. This saves having to manually readjust the brightnesslevel when moving into low light environments.To assign the Dim function to a key, refer to theMENU / PROG BUTTONS options.TransmittingPrior to transmitting, always check the channel is clear. This canbe done by listening to the channel or by visually checking thattheicon is not visible or the signal meter is not indicating asignal.To transmit, press the PTT on the microphone. Theicon willappear. Hold the microphone about 3-5 cm from your face andspeak at a normal voice level. The microphone is quite sensitive soit is not necessary to raise your voice or shout. Release the PTTwhen you have finished talking, theicon will disappear.IMPORTANT: Always listen to ensure the channel is free beforetransmitting.Time-out timerThe radio has a built-in time-out timer that automaticallylimits transmissions to a maximum of 3 minutes of continuousoperation. This feature is required by the ACMA to preventaccidental blocking of the frequency should your PTT becomejammed or be otherwise pressed accidentally.When the time-out timer activates, the radio will give a low tonefor a few seconds and the transmitter will be temporarily disabled.Release the PTT to restore normal operation.Busy LockoutWhen enabled, the Busy Lockout function detects when someoneis transmitting on the channel and prevents your radio fromtransmitting over them. If you press the PTT when the channel isbusy the radio will emit a warning beep and theicon won’tbe displayed. If this happens, look for theicon on the displayas an indicator that the channel is already in use. If the channelis busy, simply wait until the channel is clear and press the PTTagain.scrambled communications with owners of non-GME radios. Oncethe scrambler has been activated your transmission and receptionwill only be intelligible to others using the same scramblertechnology.To enable or disable the voice scrambler, refer to theMENU / RADIO SETTINGS options.NOTE: To avoid interference with other services or users, thescrambler cannot be enabled on channels 5, 11, 22, 23, 31-38, 61,62, 63, 71-78 or on any channel that has been set to Duplexmode (1-8)Beep tone volumeThe Beep tone provides audible feedback whenever the keys arepressed. The Beep tone volume can be adjusted in values from0 – 10. To switch the beep off, select 0.To adjust the volume of the Beep tone, refer to theMENU / RADIO SETTINGS options.Dynamic Volume Control (DVC)The modulation level of signals heard on the UHF CB band hasalways varied considerably resulting in noticeable differences inreceived audio volume between stations.Generally, users have compensated for this by adjusting theVolume control for each incoming signal.With the introduction of 80 channel narrowband transmissionsthat use lower levels of modulation, the differences in receivedaudio volume is likely to increase further.Your XRS-370C radio is able to automatically compensate for thesevariations by utilising a Dynamic Volume Control. When activatedthrough the menu, this feature automatically compensates forvariations in received audio level resulting in a constant audiooutput level to the speaker.To activate the Dynamic Volume Control, refer to theMENU / RADIO SETTINGS options.Selecting the active speakerThe XRS-370C has two speakers - one mounted inside the radioand the other mounted inside the microphone.By default, sound is reproduced by both speakers; however ifyou prefer, one of these speakers can be switched off, leavingeither the radio’s internal speaker or the microphone’s speaker toreproduce sound.To select which speakers are turned on, refer to the MENU /RADIO SETTINGS options.Microphone gainWhen Busy Lockout is disabled, you should check that thechannel is clear before pressing the PTT to avoid transmittingover others who may be already transmitting on the channel.The microphone gain controls the sensitivity of the microphone toyour voice input level. If you are quietly spoken or are operatingin a quiet environment you can increase the microphone gain tomake your voice sound clearer. If your voice is quite loud or youare working in a noisy environment and wish to minimise theamount of background noise that is picked up, you should reducethe microphone gain.To enable or disable Busy Lockout, refer to theMENU / RADIO SETTINGS options.To adjust the microphone gain, refer to theMENU / RADIO SETTINGS options.Voice scramblerNOTE: The Microphone Gain provides a ‘fine’ adjustment to themicrophone sensitivity. A wider adjustment range is availablethrough the XRS Connect App.Your radio incorporates a simple voice scrambler using bandinversion. The scrambler is compatible with the majority ofscramblers used by other manufacturers, allowing you to enjoyBACK TO CONTENTSPAGE 3

Squelch tailThe Squelch Tail is the short burst of noise that is heard in thespeaker at the end of a transmission just before the Squelchcloses. To some it is a reassuring confirmation that it is their turnto transmit but in some applications it may be an annoyanceespecially when listening through an earpiece or headphones.The Squelch Tail can be turned off, reducing it to a faint click asthe Squelch closes.To enable or disable the Squelch Tail, refer to the MENU / RADIOSETTINGS options.Repeater and duplex modeDuplex operation allows the radio to transmit on a differentfrequency to that which it receives. This allows operation throughrepeater stations.A repeater station consists of a linked transmitter/receivercombination installed in a prominent location. The repeateris designed to receive signals on a designated channel andretransmit them on another channel. Repeaters are usuallymounted on hills or tall buildings. The increase elevation greatlyimproves both the receiving and transmitting range of therepeater allowing it to receive and retransmit signals to radios thatwould otherwise be out of range of each other.Normally, UHF CB radios transmit and receive on the samefrequency - known as Simplex operation. However, tocommunicate through repeaters, your radio must be able totransmit and receive on different channels - otherwise known asDuplex operation. Your radio is fitted with a Duplex key to allowyou to operate through repeaters.The Duplex function can only be selected on channels 1 - 8 and41 - 48 as these are the channels that have been allocated forrepeater use. When Duplex is selected, your radio receives on theselected channel (e.g. CH 1) but transmits 30 channels higher (CH31). The repeater hears your signal on CH 31 and retransmits it onCH 1 for others to hear.only be used in Simplex mode if there are no repeaters in or nearyour location that operate on the selected channel. In particular,avoid operating in Simplex mode on any of the repeater inputchannels 31 - 38 and 71 - 78 unless you are absolutely sure thatthere are no repeaters in range using that channel. Inadvertentlytransmitting on an active repeater input frequency in simplexmode could cause interference to other users on that repeaterwho might not be audible to your radio.Priority channelThe Priority channel feature allows you to instantly recall anyone of the 80 CB channels in your radio. This feature can be usedto provide instant access to your working channel or your localrepeater channel at the press of key. It is also used in conjunctionwith the Priority Scan mode.To store a Priority channel1 Select the required channel.2 Press and hold the PRI key. The channel number will flash fora few seconds then a high beep will be heard as the channel isstored. The ‘PRI’ icon will now be visible whenever that channelis selected.NOTE: The Priority channel can also be set through the Menu.To recall a Priority channel1 Briefly press the PRI key. The radio will immediately switch tothe Priority channel and ‘PRI’ will be displayed.NOTE: If the radio was scanning when the Priority channel wasrecalled, the scan will be cancelled.SCANNINGYour radio incorporates a scan function allowing selected groupsof channels to be scanned for signals. Channels can be scanned ata rate of 50 channels per second.When a signal is found, scanning will pause to allow the signal tobe heard then resume scanning when the channel is clear again.Scan groupsYour radio supports three Scan Groups - Open Scan, Priority Scanand Network Scan.Open Scan lets you sequentially scan from 2 to 80 user-selectableCB channels.Priority Scan lets you constantly monitor your priority channelwhile scanning a group of user-selectable CB channels.Your XRS-370C radio allows you to enable or disable Duplex modeon individual repeater channels. In this way any repeater channelsthat are not being used with repeaters in your area can be used inSimplex mode for normal direct radio-to-radio communications.To enable Duplex on a repeater channel1 Select the required repeater channel (1 - 8, 41 - 48).2 Briefly press the DUP key. Theicon will appear on thedisplay accompanied by a high beep.To remove Duplex from a repeater channel1 Select the required repeater channel (1 - 8, 41 - 48). If duplex iscurrently selected, theicon will be displayed.2 Briefly press the DUP key. Theicon will disappear from thedisplay accompanied by a low beep.Network Scan allows a group of radio users to maintaincommunications even when the band is congested by monitoringa small group of user selectable channels. If the operating channelbecomes busy with users from outside your group, Net-Scan willautomatically select a new free channel from the scan group andtransparently switch all users in your group to the new channel.To select Open Scan, Priority Scan or Network Scan, refer to theMENU / SCAN SETTINGS options.Programming the scan memoriesEach Scan Group has its own separate channel memory allowingyou complete freedom to program your choice of channels intoeach group.To add or remove channels from the selected Scan memory:1 Select the required channel using the2 Check to see if theorkey.icon is displayed on that channel.IMPORTANT: Channels 1 - 8, 31 - 38, 41 - 48 and 71 - 78 shouldBACK TO CONTENTSPAGE 4

Ifis displayed, the selected channel is already in the scanmemory. To remove it, press and hold SCAN. A low beep will beheard andwill disappear. Ifis not displayed, the selected channel is not in the scanmemory. To add it, press and hold SCAN. A high beep will beheard andwill appear on that channel.Repeat to add or remove other channels in the scan memory.channel before you press SCAN. e.g. to make channel 24 yourworking channel, simply select channel 24 before pressing SCAN.To begin scanningBriefly press SCAN. A high beep will be heard, ‘SCANNING’ will bedisplayed and theicon will animate. During this time the scanmode and the number of channels being scanned will be displayedalong with the selected Zone.IMPORTANT: When adding channels to Net-Scan, please considerthe following: The transmitter on your radio is inhibited on channels 22, 23 andchannels 61, 62, 63 as required by the ACMA. This makes thesechannels unsuitable for use as Net-Scan channels. You should not include any repeater channel unless you haveconfirmed that the channel is not allocated to repeaters in yourarea. Using an active repeater channel in Net-Scan may result ininterference to repeater users on that channel.NOTE: If there are less than 2 channels programmed into the scanmemory when you press SCAN, a low beep will be heard and thecommand will be ignored.Auto skipIf a busy channel is found, scanning will pause to allow the signalto be heard and will remain there for as long as the channelremains busy. Once the channel has been clear for 5 seconds,scanning will resume automatically.While scanning, if an active channel in your Scan Group becomesa nuisance by constantly interrupting the scan, briefly pressorwhile the radio is paused on that channel. The busy channelwill be temporarily removed from the Scan Group to allow time forthe channel to become clear again and scanning will continue fromthe next channel in the sequence. After 30 seconds the skippedchannel will be reinstated in the scan sequence.If the unwanted active channel continues to interrupt the scaneven after the 30 second skip period has elapsed, hold SCANwhile the radio is paused on that channel. The ‘nuisance’ channelwill be completely removed from the Scan Group for the durationof that scan session. To restore the channel, simply stop andrestart the scan session using the SCAN key (or switch the radioOff then On again).NOTES:1 You can skip as many busy channels from the Scan Group asyou wish, however if you attempt to skip the last remainingchannel, all the previously skipped channels will be restored tothe Scan Group.2 The length of the skip period can be adjusted through the XRSConnect App.Open ScanOpen Scan allows a group of channels to be scanned in anascending sequence. If a signal is found, the scan will pause onthat channel. During this time you can press the PTT on themicrophone and talk on the channel. Once the channel has beenclear for 5 seconds the scan will resume.Operating in the Open Scan modeIf you don’t wish to listen to a busy channel, briefly pressorwhile the radio is paused on that channel. The busy channelwill be temporarily removed from the Scan Group to allow time forthe channel to become clear again and scanning will continue. Theskipped channel will be reinstated in the scan sequence after 30seconds (see Auto Skip).If you press the PTT while the radio is scanning

GME XRS Connect app is the easy way to customise, update and maintain your XRS Connect radio. To download the free XRS Connect app for iOS or Android go to the App Store or Google Play and search for 'XRS Connect'. Register the XRS Connect app and receive an additional one year warranty - available for a limited time.