Hytera Communications PD48XVHF DIGITAL PORTABLE RADIO User Manual

Hytera Communications Corporation Limited DIGITAL PORTABLE RADIO Users Manual

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PD48XVHF User Manual

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Preface Thanks for your favor in our product. This manual is helpful for you to quickly know how to use the product. To avoid body injury or property loss caused by misoperation, please read the Safety Information Booklet carefully before use. This manual is applicable to the following product: PD48X Digital Portable Radio (X may represent 2, 5, 6 or 8).

 Institute of Electrical and Electronic Engineers (IEEE) C95.1-1999;  International Commission on Non-Ionizing Radiation Protection (ICNIRP) 1998; FCC Regulations Federal Communication Commission (FCC) requires that all radio communication products should meet the requirements set forth in the above standards before they can be marketed in the U.S, and the manufacturer shall post a RF label on the product to inform users of operational instructions, so as to enhance their occupational health against exposure to RF energy. Operational Instructions and Training Guidelines To ensure optimal performance and compliance with the occupational/controlled environment RF energy exposure limits in the above standards and guidelines, users should transmit not more than 50% of the time and always adhere to the following procedures:  RF energy will be generated only when the radio is transmitting.  The radio must be at least 2.5 centimeters away from human body when transmitting.  Warning! : This DIGITAL PORTABLE RADIO generates RF electromagnetic energy during transmit mode. This radio is designed for and classified as “Occupational Use Only,” meaning it must be used only during the course of employment by individuals aware of the hazards and the ways to minimize such hazards. This radio is NOT intended for use by the “General Population” in an uncontrolled environment. EU Regulatory Conformance As certified by the qualified laboratory, the product is in compliance with the essential requirements and other relevant provisions of the following directives:  1999/5/EC. Please note that the above information is applicable to EU countries only.

Contents 1. Items in the Package ............................................................................................................................ 1 2. Product Overview ................................................................................................................................. 2 2.1 Product Controls ............................................................................................................................... 2 2.2 Programmable Keys ......................................................................................................................... 2 3. Before Use ............................................................................................................................................. 3 3.1 Attaching the Battery ........................................................................................................................ 3 3.2 Attaching the Antenna ...................................................................................................................... 4 3.3 Attaching the Belt Clip ...................................................................................................................... 4 3.4 Attaching the Accessories ................................................................................................................ 4 3.5 Charging the Battery ......................................................................................................................... 6 4. Status Indications ................................................................................................................................ 8 4.1 LCD Icon ........................................................................................................................................... 8 4.2 LED Indicator .................................................................................................................................... 9 5. Menu Navigation ................................................................................................................................. 10 6. Basic Operations ................................................................................................................................ 11 6.1 Turning the Radio On/Off ............................................................................................................... 11 6.2 Adjusting the Volume ...................................................................................................................... 11 6.3 Selecting a Zone ............................................................................................................................. 11 6.4 Selecting a Channel ....................................................................................................................... 11 6.5 Locking and Unlocking the Keypad ................................................................................................ 11 7. Call Services ....................................................................................................................................... 13 7.1 Call on Digital Channel ............................................................................................................. 13 7.2 Call on Analog Channel ........................................................................................................... 14 8. Features and Operations ................................................................................................................... 15 8.1 Home Screen .................................................................................................................................. 15 8.2 Managing the Contact .............................................................................................................. 15 8.3 Message ................................................................................................................................... 15 8.4 Call Log .................................................................................................................................... 16 8.5 Scan ................................................................................................................................................ 17 8.6 Setting the Radio ............................................................................................................................ 18 8.7 Device Information .......................................................................................................................... 20 8.8 One Touch Call ........................................................................................................................ 20 8.9 Time-out Timer (TOT) ..................................................................................................................... 21 8.10 Busy Channel Lockout .................................................................................................................. 21 8.11 Monitor .................................................................................................................................... 21

8.12 CTCSS/ CDCSS ..................................................................................................................... 21 8.13 Squelch Off .............................................................................................................................. 22 8.14 TDMA Direct Mode ................................................................................................................. 22 8.15 VOX .............................................................................................................................................. 22 8.16 CDC/CTC Selected ................................................................................................................ 23 9. Troubleshooting ................................................................................................................................. 24 10. Care and Cleaning ............................................................................................................................ 26 11. Optional Accessories ...................................................................................................................... 27 12. Technical Parameters ...................................................................................................................... 28 13. FCC Statement .................................................................................................................................. 29 14. IC Statement ..................................................................................................................................... 30

1. Items in the PackagePlease unpack carefully and check if all items listed below are received. If any item is missing or damaged, please contact your dealer. Radio Battery Charger Power Adapter Antenna Belt Clip Strap Documentation Kit Note The frequency band is marked on the label of antenna as followsFrequency band: VHF 136MHz to 150MHzFrequency band: VHF 146MHz to 174MHz1

2. Product Overview 2.1 Product Controls No. Part Name No. Part Name ○1E PTT (Push-to-Talk) Key A○8E LED Indicator A○2E SK1 (Side Key 1) A○9E Power On/Off/Volume Control Knob A○3E SK2 (Side Key 2) A○10E Accessory Connector A○4E Call Key（programmable） A○11E Battery Latch Call End Key A○5E Channel Selector Knob A○12E Antenna A○6E LCD Display Speaker A○13E Belt Clip A○7E Microphone A○14E Battery 2.2 Programmable Keys For enhanced convenience, you may request your dealer to program the SK1, SK2, P1, P2 and P3 keys as shortcuts to certain feature. 2

3. Before Use 3.1 Attaching the Battery To attach the battery, do as follows. Note To remove the battery, please turn off the radio first. Then slide the battery latch upwards to unlock the battery. 3

3.2 Attaching the Antenna Caution Do not hold the radio by its antenna, otherwise the performance and lifespan of the antenna will be reduced. 3.3 Attaching the Belt Clip To attach the belt clip, do as follows. Step 1 Remove the screws. Step 2 Align the screw holes on the belt clip with those on the radio’s back, and then tighten the screws. 3.4 Attaching the Accessories Step 1 Open the accessory connector cover as shown below. 4

Step 2 Align the accessory (such as an audio accessory, or a programming cable) plug with the accessory connector. Step 3 Tighten the screw on the plug. 5

3.5 Charging the Battery 7TCaution  10TMake sure the radio is powered off before charging. Read the Safety Information Booklet in advance to get necessary safety information.  10TCharge a new battery for at least 5 hours before initial use for best performance. Please use the charger specified by the Company to charge the battery. Charging Diagram is listed below. Charging the radio (with battery attached) Charging the battery Charging Status Indication (on charger): 6

LED Indication Charging Status The LED Indicator flashes red slowly. Standby (no load) The LED Indicator glows red. Charging The LED Indicator glows orange. 90% charged The LED Indicator glows green. Fully charged The LED Indicator flashes red rapidly. Charging failure 7

4. Status Indications 4.1 LCD Icon Name Icon Radio Status Battery Power Icon More bars indicate more battery power. TX Power Icon Low TX power for the current channel. High TX power for the current channel. Accessory Icon An accessory is connected. Operation Mode Icon Direct Mode: Under this mode, the radio can communicate with each other directly. Repeater Mode: Under this mode, the radio can communicate with each other via a repeater. TDMA Direct Mode: Under this mode, two individual calls can be supported simultaneously on the 12.5 kHz channel. Monitor Icon The Monitor feature is active. Scan Icon The radio is scanning. The radio stays on a non-priority channel. The radio stays on priority channel 1. The radio stays on priority channel 2. Missed Call Icon Missed call(s). Message Icon New message/unread message. Inbox is full. RSSI Icon No signal. More bars indicate stronger signal strength. Speaker Icon The speaker is unmuted. Call/Contact Icon  Indicates a private call in progress.  Indicates a private contact in the contact list. 8

Name Icon Radio Status  Indicates a group call in progress.  Indicates a group contact in the contact list.  Indicates an all call in progress.  Indicates an all call contact in the contact list. 4.2 LED Indicator LED Indication Radio Status The LED indicator flashes green. Powering on The LED indicator glows green. Receiving The LED indicator glows red. Transmitting The LED indicator flashes orange slowly. Scanning The LED indicator glows orange. Call hang time. No voice is being transmitted or received on the traffic channel during a call. Within such period, you can hold down the PTT key to talk to the other party. 9

5. Menu Navigation The following diagram outlines the menu structure of the radio. You can personalize menu option displayed in the radio via your dealer. To select and confirm the options shown in the menu, press the OK/Menu key and then press the Up or Down key to select your needed option, finally press the OK/Menu key. This manual only describes the paths to the menus in terms of menu operations, for example, to access the contact list, go to “Menu -> Contact -> Contact List”. The radio supports menu reset function. If you do not operate the menu for a predefined time period set by the dealer, the radio will automatically return to the home screen. You may request your dealer to configure the auto reset time or disable the feature. MenuContact Message Call Logs SettingsZoneContact ListFavorite Contact Quick TextOutboxInboxOutgoingIncomingMissedKeypad LockPower LevelRadio SetBacklightDevice InfoTonesLEDCovert ModeScan ListScanScan On/OffTalk AroundAdjust Squelch LevelVOX 10

6. Basic Operations 6.1 Turning the Radio On/Off To turn on the radio, rotate the Power On/Off/Volume Control knob clockwise until you hear a click. To turn off the radio, rotate the knob counter-clockwise until you hear a click. If the Channel Notify upon Power-on feature is enabled by your dealer, the radio will announce the channel number upon power-on. 6.2 Adjusting the Volume After the radio is powered on, you can rotate the Power On/Off/Volume Control knob clockwise to increase the voice volume, and rotate the knob counter-clockwise to decease it. 6.3 Selecting a Zone A zone is a group of channels with the same property, which can facilitate convenient management over the channels. The radio supports 2 zones, each of which consists of up to 16 channels. You can select a zone through any of the following ways:  Menu Operation: Go to “Menu -> Zone”, press the Up or Down key to select an appropriate zone, and then press the OK/Menu key to confirm it.  Shortcut key: You can toggle to the appropriate zone by pressing the programmed Zone Up or Zone Down key preset by your dealer. If the Zone Notify feature is enabled by your dealer, the radio will announce the zone number when selecting zone. 6.4 Selecting a Channel After the radio is powered on, you can rotate the Channel Selector Knob to select an appropriate channel. If the Channel Notify feature is enabled by your dealer, the radio will announce the channel number upon channel switching. 6.5 Locking and Unlocking the Keypad When the keypad is not in use, you can lock the keypad to prevent accidental keypad operation. The following methods are available for you to lock or unlock the keypad: 11

 Key Combination: press the OK/Menu key and then press P1 to lock the keypad; press Any Key and P1 to unlock it. Note Any Key cannot be PTT, SK1 and SK2 key.  Shortcut key: Press the programmed Keypad Lock key to lock or unlock the keypad.  Menu: Go to “Menu -> Settings -> Radio Set -> Keypad Lock” and then select “Enable” or “Disable”.  Enable: The keypad will be locked automatically if no operation is made within the preset time period. However, you can unlock the keypad via the key combination or the programmed Keypad Lock key mentioned above.  Disable: The keypad will not be locked automatically. However, you can lock or unlock the keypad via the key combination or Keypad Lock key mentioned above. 12

7. Call Services After the radio is powered on, you can make and receive calls. To ensure optimal volume of the receiving radio, keep the microphone about 2.5 to 5 centimeters away from your mouth when the radio is transmitting.  Private call: It is a voice call between one individual user and another individual user.  Group call: It is a voice call between one individual user and a predefined group of users. All parties in the group can communicate with each other.  All call: It is a one-way voice call from any user to all users on a channel. 7.1 Call on Digital Channel You can initiate a private call, group call or all call (programmed by your dealer) through the same operations on digital channel. When calling back, the radio will make a call to the calling party in private call; but in group call, the radio will make a call to all parties involved when calling back. And you cannot call back in an all call. Here takes the private call between Radio A and Radio B for example:  Preset contact Step 1 Radio A and B select the same digital channel. You may preset a regular private call/group call/all call contact for each digital channel via your dealer. Step 2 Radio A holds down the PTT key to initiate a call. Step 3 By holding down the PTT key, Radio A can talk to the microphone when the LED indicator glows red and the radio displays the icon . Step 4 Radio B can receive the call without any operation. When the radio is receiving, the LED indicator glows green and the radio displays the icon . Step 5 Radio B can hold down the PTT key to talk when the LED indicator glows orange and the radio displays the icon . 13

If you do not respond to it, the radio will provide appropriate indications. Step 6 Radio A can receive the call without any operation. When the radio is receiving, the LED indicator glows green and the radio displays the icon . Step 7 Radio A can hold down the PTT key to talk when the LED indicator glows orange and the radio displays the icon .  Contact List or Call Log Step 1 Radio A and B select the same digital channel. Step 2 Radio A accesses the contact list via menu “Menu -> Contact -> Contact List”, “Menu -> Contact -> Favorite Contact” or “Menu -> Call Log -> Outgoing/Incoming/Missed”. Step 3 Radio A presses the Up or Down key to select Radio B. Step 4 Radio A holds down the PTT key to initiate a call. Step 5 By holding down the PTT key, Radio A can talk to the microphone when the LED indicator glows red and the radio displays the icon . Step 6 Radio B can receive the call without any operation. When the radio is receiving, the LED indicator glows green and the radio displays the icon . Step 7 Radio B can hold down the PTT key to talk when the LED indicator glows orange and the radio displays the icon . If you do not respond to it, the radio will provide appropriate indications. Step 8 Radio A can receive the call without any operation. When the radio is receiving, the LED indicator glows green and the radio displays the icon . Step 9 Radio A can hold down the PTT key to talk when the LED indicator glows orange and the radio displays the icon . 0TNote The Call Hang Time (the duration of LED indicator glowing orange) is preset by your dealer. If neither party talks before this duration expires, the call will end. 7.2 Call on Analog Channel The calling operations on the analog channel are the same as that on the digital channel. The difference is that the called parties are all the users on the channel, rather than the preset contact for the channel. 14

8. Features and Operations 8.1 Home Screen Description This feature allows the radio to return to the home screen directly. Operation To return to the home screen directly, press . 8.2 Managing the Contact Contact allows you to manage your contacts via the menu, for example, viewing contact’s information, adding new contacts, setting the frequently-used contacts and deleting contacts. 8.2.1 Contact List Description The Contact List is used to save Private Call/Group Call/All Call contacts information which is preset by the dealer. Operation  Go to “Menu -> Contact -> Contact List” to access the contact list.  Press the programmed Contact List key to access the contact list.  Press to access the contact list. Under this sub-menu, you can view the contact details. 8.2.2 Favorite Contact Description Favorite Contact allows you to add the frequently used contacts from Contact List. Operation  Go to “Menu -> Contact -> Favorite Contact” to access the favorite contact list. In the “Favorite Contact” menu, you can check the contact information or delete the contacts. 8.3 Message You can send the Quick Text message directly. In the inbox, you can reply, forward or delete the text message, and in the outbox you can also resend, forward or delete the message. Go to “Menu -> Message” to configure the corresponding features. 15

8.3.1 Quick Text Description The radio supports a maximum of 10 Quick Text messages programmed by your dealer. Operation Go to “Menu -> Message -> Quick Text” and you can send the quick text directly. 8.3.2 Inbox Description The radio saves the received messages into the Inbox and gives every message a corresponding icon to indicate its status.  : Read message.  : Unread message. The inbox can save up to 10 received messages. When the Inbox is full, the icon will appear on the LCD, and the earliest message will be overwritten by the latest one automatically. Operation Go to “Menu -> Message -> InBox” to enter the relevant screen. 8.3.3 Outbox Description The radio saves the sent messages into the Outbox. The outbox can save up to 10 sent messages. When the OutBox is full, the earliest message will be overwritten by the latest one automatically. Operation Go to “Menu -> Message -> OutBox” to enter the relevant screen. 8.4 Call Log Description The radio keeps track of all recent outgoing, incoming and missed private calls only. The radio can save up to 10 call entries in the Outgoing/Incoming/Missed list respectively. When any list is full, the earliest entry in the list will be overwritten by the latest one automatically. Operation Go to “Menu -> Call Log -> Outgoing/Incoming/Missed” to enter the relevant screen. You can select a call log and hold down the PTT key to make a call; or select a call log to delete it. 16

8.5 Scan Scan allows you to search for a channel with ongoing activities, and stay on it to listen to its communication activities so that you can keep a track of related team members. 8.5.1 Activating the Scan feature Description With the Scan feature enabled, the radio will scan all the channels in the scan list set for the current channel. Operation  Go to “Menu -> Scan -> Scan On/Off -> On” to enable the Scan feature.  In the home screen, you can press the programmed Scan key to enable the Scan feature, or switch to a channel on which the Auto Scan feature is enabled via the CPS to enable the Scan feature. After the feature is enabled, the radio will scan all the channels in the scan list set for the channel on which scanning starts. The scanning process is as follows: Step 1 During scanning, the radio displays the icon , and the LED indicator flashes orange slowly. Step 2 When activities are detected on a channel, the radio will stay on the channel to receive current activities, and the LED indicator will glow green. If the radio stays on a non-priority channel, the radio will display the icon .If the radio stays on Priority Channel 1 or Priority Channel 2, it will display the icon or respectively. Step 3 If you don’t want to listen to the activities on the channel, press the programmed Nuisance Temporary Delete key to remove the channel from the scan list temporarily. The removed channel will not be scanned in subsequent scanning, but it will be restored into the scan list when the radio is restarted. Step 4 If you want to keep listening to the activities on the channel, press the programmed Monitor or Squelch Off Momentary key during scan stay. 0TNote The radio cannot scan analog channel and digital channel at the same time. 8.5.2 Deactivating the Scan feature Description With the Scan feature disabled, the radio will stop scanning all the channels in the scan list set for the current channel. Operation  Go to “Menu -> Scan -> Scan On/Off -> Off” to disable the Scan feature. 17

 Press the programmed Scan key during scanning. 8.5.3 Setting the Scan List Description Scan List allows you to select the appropriate scan list. Operation Go to “Menu -> Scan -> Scan List” to select the appropriate scan list. The radio can support up to 8 scan lists. 8.6 Setting the Radio You can optimize performance of your radio via the following configuration according to your actual needs and preferences. Go to “Menu -> Settings -> Radio Set” to configure the corresponding features. 8.6.1 Talk Around Description You can continue to communicate in DMO by pressing the programmed Talk Around key when the repeater malfunctions, or when the radio is out of the repeater’s coverage but still within the coverage of the other radio. Operation  Go to “Menu -> Settings -> Radio Set -> Talk Around” to switch to direct mode.  Press the programmed Talk Around key to enable the feature; press this key again to disable the feature. 8.6.2 Power Level Description Power Level allows you to set the TX power level. High power can extend the signal coverage, enabling you to communicate with farther radios. 0TGenerally, we recommend you to adopt low power for battery saving. Operation  Go to “Menu -> Settings -> Radio Set -> Power Level -> High/Low” to toggle the TX power level between high and low.  Press the programmed Adjust Power Level key in the home screen to toggle the power level between high and low. 18

 0TAudible alert: When you switch to high power, a high-pitched tone sounds; When you switch to low power, a low-pitched tone follows.  Visible alert: High power is indicated by and low power is indicated by . 8.6.3 Squelch Level Adjustment Description Squelch Level Adjustment allows you to adjust the squelch threshold required for the radio to be unmuted. Generally, the higher squelch level requires stronger signal. If the squelch level is set to “Open” (squelch level: 0), the speaker will keep unmuted irrespective of the decoding conditions. Operation  Go to “Menu -> Settings -> Radio Set -> Squelch Level” to select “Open”, “Normal” or “Tight”.  Press the programmed Adjust Squelch Level key to switch the level among “Tight”, “Normal” and “Open”. When the Squelch Level is switched from “Tight” to “Open”, a low-pitched tone sounds followed by the background noise; from “Open” to “Normal”, a high-pitched tone sounds with the background noise fading; from “Normal” to “Tight”, a high-pitched tone sounds. 8.6.4 Backlight Description Backlight allows you to set the backlight on and off. Activating the backlight can illuminate the LCD and the keypad, so as to facilitate your operation under dim light conditions. Operation Go to “Menu -> Settings -> Radio Set -> Backlight” to enable or disable this feature. There are three options:  Off: The backlight will remain off.  On: The backlight will remain on.  Timed: The backlight will go out automatically if no operation is made or no signal is received within the time preset by your dealer. 8.6.5 LED Description This feature allows you to set whether to activate the LED indicator. You can set the LED indication for specific features such as TX, RX, Scan, Low Battery, and the like. 19

Operation Go to “Menu -> Settings -> Radio Set -> LED” to enable or disable this feature. 8.6.6 Tone Description This feature allows you to turn the tone on and off. If it is set to Silent, the radio will give no tones at all. Operation Go to “Menu -> Settings -> Radio Set -> Tone” to enable or disable this feature. 8.6.7 Covert Mode Description When Covert Mode is enabled, the radio will disable any visible or audible indications set by your dealer, such as the LED indicator, vibration and tone. This feature is mainly used in special missions. Note If an audio accessory is connected to the radio, the radio will output the voice and alert tones via the audio accessory when the Covert Mode is enabled. Operation  Go to “Menu -> Settings -> Radio Set -> Covert Mode” to enable or disable this feature.  Press the programmed Covert Mode key to enable or disable this feature. 8.7 Device Information Description You can view basic information of the radio, including Radio ID, Radio Alias, Serial Number, Model Name, Frequency Range, Firmware Version, Radio Data Version, Boot Loader Version, etc. Operation Go to “Menu -> Settings -> Device Info.” to view the device information. 8.8 One Touch Call Description One Touch Call/ Menu allows you to make corresponding services by pressing the programmed One Touch Call key preset by your dealer. The services are listed below:  To initiate group calls or send text messages to the group contact.  To initiate private calls or send messages to the private contact. Operation Service Operation 20

Service Operation To initiate private calls or group calls on the digital channel. Press the programmed One Touch Call key and then hold down the PTT key. To send text messages Press the programmed One Touch Call key. 8.9 Time-out Timer (TOT) Description Time-out Timer (TOT) allows you to set whether the radio will automatically terminate transmission and keep beeping when the TX time (60 seconds by default, and it is programmable via CPS) expires. To stop beeping, please release the PTT key. You must wait for a certain time period (preset by your dealer) before you can hold down the PTT key to transmit again. This feature is to prevent any user from occupying a channel for an extended period and to avoid radio damages due to overheating. Operation This feature needs to be programmed via CPS by your dealer. 8.10 Busy Channel Lockout Description Busy Channel Lockout can prevent radio user from interfering other transmitting radio users on the same channel. When the channel is busy, the radio will beep when you hold down the PTT key to transmit, indicating the channel is busy. You can hold down the PTT key to transmit when the channel is free. Operation This feature needs to be programmed via CPS by your dealer. 8.11 Monitor Description Monitor allows you to set whether the radio can receive the weak signals in order to monitor the radio. Operation Press the programmed Monitor key to enable the feature, then the radio displays the icon ; press this key again to disable the feature. 8.12 CTCSS/ CDCSS Description CTCSS/CDCSS allows the radio to add signaling with a frequency lower than that of the audio to the carrier. The speaker can be unmuted only when the CTCSS/CDCSS received by the receiving party is matched with that transmitted by the transmitting party. 21

Operation Enable or disable this feature via CPS by your dealer. 8.13 Squelch Off Description With the Squelch Off Momentary feature enabled, your radio’s speaker will keep unmuted no matter whether carrier is present. Operation Press the programmed Squelch Off key to enable the feature (a high-pitched tone sounds), and then the radio will display the icon and sounds background noise. Press this key again to disable the feature (a low-pitched tone sounds). Hold down the programmed Squelch Off Momentary key to enable the feature (a high-pitched tone sounds), and then the radio will display the icon and sounds background noise. Release this key to disable the feature (a low-pitched tone sounds). 8.14 TDMA Direct Mode Description TDMA (Time Division Multiple Access) Direct Mode allows the radio to divide the 12.5 kHz channel into two alternative slots in direct mode. If the radio operates on a channel with this feature enabled and one time slot is already occupied, it can transmit and receive in the other free time slot. Operation Enable or disable this feature via CPS by your dealer. With this feature enabled, you can manually switch to a digital channel in TDMA Direct Mode or enter the TDMA Direct Mode by powering on the radio on a digital channel in TDMA Direct Mode. Under TDMA Direct Mode, the radio will display the icon . 8.15 VOX Description VOX allows you to trigger the voice transmission by speaking directly without holding down the PTT key. When the voice detected by the microphone (either external or internal microphone) reaches the volume to trigger the transmission, it will be transmitted automatically. 20T Caution Follow the instructions below when using the VOX feature:  To use the VOX feature with an external microphone, make sure the PTT/VOX switch is switched to “VOX” before the radio is powered on and the VOX feature is enabled. 22

 The VOX feature will be enabled for all the channels.  The VOX feature settings will not remain unchanged when the radio is powered on and off.  After the VOX feature is enabled, switching the PTT/VOX switch to “PTT” will disable the feature. In such case, switching the PTT/VOX switch to “VOX” will keep the radio transmitting. To make the radio function properly, reattach the earpiece to enable the feature again. Operation Activating or deactivating the VOX feature  Go to “Menu -> Settings -> Radio Set -> VOX” to enable or disable this feature.  Press the programmed VOX key. Adjusting the VOX Gain Level Go to “Menu -> Settings -> Radio Set -> VOX -> Gain Level” to adjust the transmission sensitivity. Higher gain level can bring lower sensitivity and thus larger voice volume. 20T Note Please adjust the VOX Gain Level properly to avoid unexpected VOX triggering due to high sensitivity or triggering failure due to low sensitivity. 8.16 CDC/CTC Selected Description CDC/CTC Selected allows you to select and configure the appropriate CDC/CTC manually. Operation Press the programmed CDC/CTC Selected key on an analog channel to enter the CDC/CTC editing mode. Use the Up and Down key to select the appropriate CDC/CTC. If a reversed CDC is needed, press the Cancel/Return Key (the last English character of the CDC will be changed from N to I, indicating the CDC is reversed). Finally, press the OK/Menu key to save the configuration. To restore the CDC/CTC programmed by CPS and exit the CDC/CTC editing mode, press the Call End Key in the CDC/CTC editing mode. Note: The CDC/CTC Selected feature is used to temporarily change the CDC/CTC of the current channel. Restarting the radio or switching the channel will restore the CDC/CTC programmed by CPS for the current channel. 23

9. Troubleshooting Phenomena Analysis Solution The radio cannot be powered on. The battery may be improperly installed. Remove the battery and reattach it. The battery power may run out. Recharge or replace the battery. The battery may suffer from poor contact caused by dirtied or damaged battery contacts. Clean the battery contacts. If the problem cannot be solved, contact your dealer or authorized service center for inspection and repair. During radio receiving, the voice is weak, discontinuous or totally inactive. The battery voltage may be low. Recharge or replace the battery. The volume level may be low. Increase the volume by pressing the Volume Up/Right key. The speaker may be blocked or damaged. Clean the surface of the speaker. If the problem cannot be solved, contact your dealer or authorized service center for inspection and repair. You cannot communicate with other members. The frequency or signaling may be inconsistent with that of other members. Set your TX/RX frequency and signaling to the same as that of other members. The channel type (digital and analog) may be set inconsistently. Make sure all members are on the same digital/analog channel. You may be too far away from the group members. Move towards other members. Irrelevant communication or noise is heard on the channel. You may be interrupted by radios using the same frequency. Change the frequency, or adjust the squelch level. The radio may be set without signaling. Set signaling for all member radios to avoid interference at the same frequency. The noise is too You may be too far away from Move towards other members. 24

Phenomena Analysis Solution loud. other members. You may locate in an unfavorable position. For example, your communication may be blocked by high buildings or frustrated in the underground areas. Move to an open and flat area, and restart the radio. You may suffer from external disturbance (such as electromagnetic interference). Stay away from equipment that may cause interference. If the above solutions cannot fix your problems, or you may have some other queries, please contact us or your local dealer for more technical support. 25

10. Care and Cleaning To guarantee optimal performance as well as a long service life of the product, please follow the tips below. Product Care  Do not pierce or scrape the product.  Keep the product far away from substances that can corrode the circuit.  Do not hold the product by its antenna or earpiece cable directly.  Attach the accessory connector cover when the accessory is not in use. Product Cleaning Caution Turn off the product and remove the battery before cleaning.  Clean up the dust and fine particles on the product surface and charging piece with a clean and dry lint-free cloth or a brush regularly.  Use neutral cleanser and a non-woven fabric to clean the keys and front case after long-time use. Do not use chemical preparations such as stain removers, alcohol, sprays or oil preparations, so as to avoid surface case damage.  Make sure the product is completely dry before use. 26

11. Optional Accessories The following items are the main optional accessories for the product, and please consult your local dealer for more other accessories. Caution Use the accessories specified by the Company only. If not, the Company shall not be liable for any losses or damages arising out of use of unauthorized accessories.  Power Supply: MCA08 MCU Multi-unit Rapid-rate Charger (for Li-Ion/Ni-MH batteries), CH10A06 Dual-Pocket MCU Charger Kit (for Li-Ion/Ni-MH battery, including Dual-Pocket Charger and Switching Power), PS7501 AC/DC Adaptor, MCA05 Battery Optimizing System, BL2010 2000mAh Li-Ion battery  Audio: EAM13 2-wire Surveillance Earpiece with VOX & Transparent Acoustic Tube (Black), ESM14 Remote Earbud, EAM17 Remote Earpiece with Transparent Acoustic Tube, EHM20 Remote Swivel Earset, EHM19 Remote C-Earset, SM26M1 Remote Speaker Microphone, SM13M1 Remote Speaker Microphone (IP55)  Cable: PC76 Programming & Download Cable  Carrying Accessories: NCN011 Nylon Carrying Case (Half-folded)(Non-swivel)(Black), LCBN13 Universal Chest Pack (Nylon)(Black) 27

12. Technical Parameters  Frequency Range: 136Mhz to 174MHz;  RF Output Power: High Power: 5W , Low Power: 1W;  Modulation Type: Analog Voice: FM , Digital Data: 4FSK  Channel Separation: Analog Voice: 12.5kHz Digital Data: 12.5kHz 28

13. FCC Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE 1: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 29

14. IC Statement This device complies with Industry Canada license-exempt RSS standard(s): Operation is subject to the following Two conditions: (1) this device may not cause interference, and (2) This device must accept any interference, including interference that may cause undesired operation of the device. Le present appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareildoit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. The information listed above provides the user with information needed to make him or her aware of a RF exposure, and what to do to assure that this radio operates within the FCC exposure limits of this radio. The information listed above provides the userwith information needed to make him or her aware of a RF exposure, and what to do to assure that this radio operates within the FCC exposure limits of this radio. The device complies with RF specifications when the device used at 25mm from your front face and 0mm from your body. Third-party belt-clips, holsters, and similar accessories used by this device should not contain any metallic components. Body-worn accessories that do not meet these requirements may not comply with RF exposure requirements and should be avoided.Maximun SAR Value (1g): 1.21W/Kg. 30

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