versa HERO User manual

VERSA HERO SERVICE MANUAL
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VERSA HERO SERVICE MANUAL

VERSA HERO SERVICE MANUAL
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Table of Contents
1. Foreword...............................................................................................................................................3
2. Document Revision...............................................................................................................................4
3. Radio Information.................................................................................................................................5
4. Package Layout .....................................................................................................................................6
5. Parts of the Radio..................................................................................................................................8
6. Initial Assembly and Preparation.......................................................................................................... 9
6.1 Charging ........................................................................................................................................9
6.2 Battery Pack ..................................................................................................................................9
6.3 Antenna.......................................................................................................................................10
6.4 Belt Clip.......................................................................................................................................10
6.5 Earpiece (Optional) .....................................................................................................................10
7. Basic Operation...................................................................................................................................11
7.1 Power on and Adjust volume knob............................................................................................. 11
7.2 PTT button...................................................................................................................................11
7.3 Monitor/Lamp button.................................................................................................................12
7.4 FM/Warning button....................................................................................................................12
8. Features ..............................................................................................................................................13
8.1 UHF/ VHF Dual Band Transceiver................................................................................................13
8.2 Large LCD Display........................................................................................................................13
8.3 High Capacity Li-Ion Battery........................................................................................................13
8.4 Smart Charger ............................................................................................................................. 13
8.5 PC Programmable .......................................................................................................................13
8.6 Fast MENU Operation.................................................................................................................13
8.7 Emergency Alarm Function.........................................................................................................13
8.8 Transmit Power Selection ...........................................................................................................13
8.9 Squelch Level Adjustable ............................................................................................................13
8.10 Power Saving Function................................................................................................................13
8.11 Voice Prompt ..............................................................................................................................13
8.12 Keypad Programmable................................................................................................................13
8.13 Analog Repeater Operation ........................................................................................................13
8.14 Adjustable LCD Backlight ............................................................................................................14
8.15 Adjustable Backlight Sleep Mode ...............................................................................................14

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8.16 VOX Function .............................................................................................................................. 14
8.17 Dual Watch Operation ................................................................................................................14
8.18 Cable Clone .................................................................................................................................14
8.19 CTCSS/DCS...................................................................................................................................14
8.20 Multi Step Frequency..................................................................................................................14
8.21 Busy Channel Lock.......................................................................................................................14
8.22 Time-Out-Timer........................................................................................................................... 14
8.23 Channel Scan............................................................................................................................... 14
8.24 Main/Sub Channel Switch...........................................................................................................14
8.25 Auto-Key lock .............................................................................................................................. 14
8.26 FM Radio .....................................................................................................................................14
8.27 Reverse Function......................................................................................................................... 14
9. Radio Assembly and Disassembly .......................................................................................................15
9.1 Assembly and Disassembly .........................................................................................................15
10. Quality Check ..................................................................................................................................19
10.1 Physical Appearance ................................................................................................................... 19
10.2 RF Testing....................................................................................................................................19
10.3 Battery and Charger....................................................................................................................19
10.4 Radio Check.................................................................................................................................19
11. Schematic Diagram ......................................................................................................................... 20
12. Block Diagram .................................................................................................................................21
12.1 Front Board .....................................................................................................................................21
12.2 Back Board ......................................................................................................................................22
13. Troubleshooting and Repair..................................................................................................................23
13.1 External Parts ..................................................................................................................................23
13.2 Internal Parts...................................................................................................................................24
14. Reprogramming ....................................................................................................................................25
14.1. Initial Setup ....................................................................................................................................25
14.1.1. General Requirements............................................................................................................25
14.1.2. Install Prolific USB to Serial Comm Port..................................................................................25
14.2. Radio PC Programming ..................................................................................................................27
14.3. Keypad Programming.................................................................................................................. 30

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1. Foreword
SCOPE OF THIS MANUAL
This manual is intended for use by experienced technicians
familiar with similar types of commercial grade communications
equipment. It contains all the required service information for the
equipment and current released data.
NOTE BEFORE USING
-DO NOT transmit until all RF connectors are verified secure
and any open connectors are properly terminated.
-SHUT OFF and DO NOT operate this equipment near electric
detonator caps or in an explosive atmosphere.
-This equipment should be serviced by a qualified technician
only.

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2. Document Revision
DOCUMENTED BY
DESCRIPTION
DATE
Winston Yves L. Esguerra
Initial Release
October 2019

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3. Radio Information

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4. Package Layout
Inner Box Outer Box

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Standard Supply Accessories

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5. Parts of the Radio

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6. Initial Assembly and Preparation
6.1 Charging
Before charging the battery, make sure that the transceiver has been turned OFF. To charge
the battery, plug in to AC outlet (110-240Vac) and insert the bottom of the transceiver (with the
battery) into the charger. Red LED light on the charger indicates that the battery is charging.
Green LED light indicates that the battery is fully charged. The battery reaches its maximum
capacity after 2 to 3 charging cycles.
Note: The battery may be charged either attached or removed from the transceiver. Never
charge the battery at temperature below -10°C (14°F) or above 35°C (95°F).
6.2 Battery Pack
To Attach: Fit the battery at the back of the transceiver and slide the battery. Click sound
indicates that the battery is locked.
To Remove: Make sure the radio is turned OFF. Press down the battery latch at the bottom of
the transceiver then pull the battery.

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6.3 Antenna
Connect the antenna to the antenna connector then turn the antenna clockwise to install and
turn counter clockwise to remove antenna.
6.4 Belt Clip
Fit the belt clip at the back of the transceiver. Screw the belt clip.
6.5 Earpiece (Optional)
Open the earmic cover located at the left side of the transceiver. Connect Earpiece.

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7. Basic Operation
7.1 Power on and Adjust volume knob
- Turn the Power/ Volume knob clockwise. Beep sound indicates that the power is on.
- To adjust the sound, Press MON and rotate the Power/ Volume to desired level.
7.2 PTT button
- To make a call, Press PTT. Keep mouth 3-4cm away from mic when speaking.
- Release PTT button to receive signals.
- Light Indicator: Steady Red when Transmitting / Steady Green when Receiving.
Commented [MSG1]: MON is not in the diagram. Can we show
where it is?

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7.3 Monitor/Lamp button
- When long press, disable the CTCSS/DCS Code. Short press, enables jack light.
7.4 FM/Warning button
- When long press, produce warning tone for emergency. Short press, enable FM Radio.

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8. Features
8.1 UHF/ VHF Dual Band Transceiver
- Capable of transmitting and receiving on VHF (136-17MHz) and UHF (400-480MHz).
8.2 Large LCD Display
- Two line dot matrix display.
8.3 High Capacity Li-Ion Battery
- 2000mAh, 10hrs battery life.
8.4 Smart Charger
- 1 to 2hrs charging time with LED indicator when charging (Red) and full (Green).
8.5 PC Programmable
- Can be program thru software and programming cable.
8.6 Fast MENU Operation
- Shortcut keys to access radio settings.
8.7 Emergency Alarm Function
- Warning to be used in case of emergency.
8.8 Transmit Power Selection
-Adjust the output power of the radio to 1W, 2.5W or 5W.
8.9 Squelch Level Adjustable
- Adjust receive sensitivity of the radio.
8.10 Power Saving Function
- Enable this function to extend battery life.
8.11 Voice Prompt
- Set voice prompt in Chinese or English using PC programming software.
- Voice prompting when selecting channel.
8.12 Keypad Programmable
-Manually program the radio.
8.13 Analog Repeater Operation
-Compatible with analog repeater operation.
Commented [MSG2]: Is this applicable to our clients? Or
should we just say wet in English?

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8.14 Adjustable LCD Backlight
-Adjust backlight for transmit, receive and standby.
8.15 Adjustable Backlight Sleep Mode
-Turn off back light when not in use.
8.16 VOX Function
-Voice over transmit. Trigger PTT using voice.
8.17 Dual Watch Operation
-Scan channel 16 and 1 selected channel.
8.18 Cable Clone
-Copy radio program using cloning cable.
8.19 CTCSS/DCS
-Reduces the interference by adding a low frequency.
8.20 Multi Step Frequency
-Frequency step 2.5, 5, 6.25, 10, 12.5 and 25KHz
8.21 Busy Channel Lock
-Lock channel when in use.
8.22 Time-Out-Timer
-Adjust transmission time.
8.23 Channel Scan
-Scan memory channel.
8.24 Main/Sub Channel Switch
-Dual display allows main and sub channel switch.
8.25 Auto-Key lock
-Automatic locks the radio after 10 seconds
8.26 FM Radio
-Operates AM and FM radio station.
8.27 Reverse Function
-On repeater function, reverse the transmit and receive frequency.

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9. Radio Assembly and Disassembly
9.1 Assembly and Disassembly
1. Remove antenna. Turn antenna counterclockwise.
2. Remove the battery. Press down the battery latch at the bottom of the transceiver then
pull the battery.
3. Remove Power/ Volume Knob. Pull the knob.

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4. Remove the 2 screwsonmetal body. Unscrew by turning counterclockwise.
5. Remove metal body from the housing. Pull up the metal body using chassis remover.
6. Remove round nut screw. Using round nut screwdriver turn counterclockwise to
remove nut.

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7. Remove speaker wire to the board. Using soldering iron,de-solder the wire.
8. Remove screw of the LCD.

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9. Remove screw from the board.
10. Remove the board from the metal body.

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10. Quality Check
10.1 Physical Appearance
-Check physical appearance of the radio.
-Housing
-Knobs
-Battery Charger
-Belt clip
-Buttons
-Antenna
10.2 RF Testing
-Measure maximum and minimum receive sensitivity, TX power and VSWR
Test: Maximum and Minimum RX sensitivity, TX power and VSWR
Test Objective: The purpose of this test is to verify if the RX sensitivity, TX power and VSWR is
within the specifications.
Preliminary Steps:
For Receive: Set the frequency of the Signal Generator to the center frequency of Radio.
For Transmit: Set the maximum output power of the radio to the wattmeter.
RECEIVE
FREQUENCY
SENSITIVITY
REMARKS
MAX
MIN
TRANSMIT
FREQUENCY
TX POWER
VXWR
REMARKS
10.3 Battery and Charger
Test: Battery and Charger Voltage Measurement
Test Objective: The purpose of this test is to verify if the battery and charger voltage is within the
specifications.
Preliminary Steps:
For Battery: Set the battery specification to the battery analyzer.
For Charger: Set the multitester to Vdc.
OHMTEST
VOLTAGE
REMARKS
BATTERY
ADAPTOR
CHARGER
REMARKS
CHARGER
10.4 Radio Check
-Test short range communication