USER'S MANUAL
Model：H - 628
WARNING
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.
IMPORTANT NOTE:
Note: 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 isconnected
Consult the dealer or an experienced radio/TV technician for help
SAFETY INFORMATION
Your wireless hand-held portable transceiver contains a low power transmitter.
This product sends out radio frequency(RF)signals when the Push-to-Talk(PTT)
button is pressed. The device is authorized to operate at a duty factor not to
exceed 50%. In August 1996, the Federal Communications Commissions(FCC)
adopted RF exposure guidelines with safety levels for hand-held wireless devices
To control your exposure and ensure compliance with the general population or
uncontrolled environment exposure limits, transmit no more than 50% of the time.
For body-worn operation, this radio has been tested and meets the FXCC RF
exposure guidelines when used with accessories supplied or designated for this
product. Use of other accessories may not ensure compliance with FCC RF
exposure guidelines.
Hold the transmitter approximately 25mm from your face and speak in a normal
voice, with the antenna pointed up and away.
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment and
should not be made.
Radio Controls
Antenna
LCD
MENU Button
Up Button
LED Button
Mircophone
Installing the Earpiece
Note:
Open the cover of the earpiece jack
align the connector and
push fully in .(gure 2)
LED
On - O / Volume
Headset Jack (MIC/SPK)
Down Button
Monitor Button
Speaker
Display
Channel
Tx/Rx Icon
Scanning
Vox
Note:
When Transmitting LCD display Icon.
When Receiving LCD display Icon.
No Transmitting , Receiving LCD display Icon .
When you selection high power , the appears
on the display .
When you selection low power , the appears
on the display .
Battery Level
CTCSS / DCS
Hi / Lo Power Icon
Keypad Lock
1
( Figure 2 )
No high and low power switching function when the machine
is in channel CH8~CH14.
32
Radio Battery Meter
The number of bars ( ) on the radio battery icon shown
indicates the charge remaining in the batterywhen the radio
battery meter show 0 segments, the radio chirps periodically
(Low Battery Alert). When thebattery power falls below 3V, the
intercom will shut downNote: Remove the battery from radio
for storage purposes.
Turning your radio ON and OFF
1. To Power on your radio, turn rotary knob clockwise
2. To Power o your radio, turn rotary knob counterclockwise
Setting the Volume
1. To increase volume, turn the rotary knob clockwise
2. To decrease volume, turn the rotary knob counterclockwise
Talking and Listening
All radios in group must be set to the same channel and
Sub-code in order to communicate.
1. Hold your radio 2 to 3 inches from your mouth
2. Press and hold PTT button while speaking. The transmit
icon appears on the display
3. Release PTT button to receive incoming calls. The radio
displays receive icon.
Monitor Button
Press and hold Scan/Mon for 3 seconds to enter monitor mode
and listen for weak signals on the current You can also listen
to the volume level of the radio when you are not receiving.
This allows you to adjust the volume if necessary .
Push-to-talk Time-out Timer
To prevent accidental transmissions and save battery life
radio will stop transmiting if you press PTT button for 180
seconds continuously .
Selecting the Channel
The channel is the frequency of the radio uses to transmit
1. Press the Menu/Lock button until the channel number starts to ash
2. Press to change the channel
3. Press the PTT button to exit menu or menu to continue setup.
Setting the Sub-Code
Sub-codes help minimize interference by blocking transmission
from unknown sources. Your radio has 99 Setting the Sub-code
To set the code for a channel:
1. Press Menu for 2 times until the code starts to ash.
2. Press to select codeYour radio can transmit dierent call tones to
other radios in your group
3. Press the PTT button to exit menu or menu to continue setup.
Setting and Transmitting Call Tones
1. Press Menu until call tone ' appears. The current call tone setting ashes
2. Press A/v to change and listen to the call toneTo set a call tone.
3. Press the PTT Button to exit menu or menu to continue setup .
4
5
Setting and Transmitting Call Tones
When you press and hold "LAMP" button 3 seconds. Your radio can transmit call tones
to other radios in group .
To set a call tone:
1. Press Menu until call tone ' appears. The current call tone setting ashes
2. Press to change and listen to the call toneTo set a call tone.
3. Press the PTT Button to exit menu or menu to continue setup .
Voice Operated Transmission(VOX)
Transmission is initiated by speaking into the microphone of the radio
instead of pressing the PTT button.
1.Press “MENUN” for 3 times to enter the VOX function selection.
2.Sensitivity level . Press menu until
to select sensitivity . (1-Low sensitivity, 2-Medium sensitivity , 3-High Sensitivity )
3. Press the PTT button to exit menu or menu to continue setup.
icon appears on the display. Press
VOX
Dual Channel Monitor
Enable you to scan current channel and another channel alternately
1. Press “MENU” for 6 times until ch' appears on the display.
2. Press to select channels.
3. Press the PTT button to exit menu or menu to continue setup.
Keypad Tones
You may enable or disable the keypad tones. You will hear the key tone
each time a button pushed
1. To disable/disable keypad tones, power OFF your radio. Press button
power ON radio at thesame time until you see the display
Roger Tone
You can set your radio to transmit a unique tone when you nish transmitting
1. To disable/enable roger tone,Press “MENU” for 7 times enter the Roger Tone
selection , Press to ON or OFF .
Factory Reset
You may reset your radio to factory setting.
1. To factory reset your radio, power OFF your radio. Press MENU button
power ON radio at the sametime until you see the display.
LED Lamp
Your radio has a built-in-led Lamp
PRESS'LAMP' button once to ON the lamp,press again to OFF the lamp
Setting High Low Power
1. Press Menu until'pr'appears on the display
2. Press to select HI or LO (hi-high Power, LO- Low Power)
3. Press the PTT button to exit menu or menu to continue setup.
Keypad Lock
To avoid accidentally changing your radio settings
1. To lock the radio, press and hold MENU/ button until the key lock
indicator icon on display appear.
2. To unlock the radio, press and hold MENU/ button until key lock indicator
icon on display
Scanning Channels
Use the scan function search all channels for transmission from unknown sources ;
nd someone in your groupwho has accidentally changed channels or nd unused
channels quickly for own usage.
1. Press the Scan/Mon button briey to turn on the scan function.
Technical specifications
Channels
Sub-code
Frequency
Range
Battery
Transmission Power
ERP Modulation Type
Channel spacing
22
CTCSS:1~38 DCS:39~99
FRS:462.5500-467.7125 MHz
Up to 3 Km ( Open field )
3XAA
HI:20.7dBm LO:13.7dBm
FM - F3E
12.5 KHZ
76
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