HYT TM-610 VHF User manual

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THANK YOU!
Thank you for your purchase of HYT TM-610 Mobile Radio. This easy-to-use radio will
deliver you instant and reliable communications at peak efficiency. Please read this
manual carefully before use. The information presented herein will help you to derive
maximum performance from your radio.
MODELS COVERED IN THIS MANUAL
TM-610 VHF Mobile Radio
TM-610 UHF Mobile Radio

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HOT SURFACE
Avoid contact during prolonged use
Do not touch the metal surface of the radio while it is in use.
Do not mount the radio such that the chassis can come in contact with skin.
High temperatures may burn you skin.
MANDATORY SAFETY INSTRUCTIONS TO INSTALLERS AND USERS
════════════════════════════════════════════════════════════════
zUse Only manufacturer or dealer supplied antennas and power cable (32V/15A, with
safety fuse).
zMaintain at least 100 cm distance from the antenna
zAntenna used for this transmitter must not exceed an antenna gain of 3dBi
●Antenna mounting: The antenna supplied by the manufacturer or radio dealer must not
be mounted at a location such that during radio transmission, any person can come closer
than the above indicated minimum safe distance to the antenna (i.e. 100 cm).
●To comply with current FCC RF Exposure limitations, the antenna must be installed at or
exceeding the minimum safe distance indicated above, and in accordance with the
requirements of the antenna manufacturer or supplier.
●Vehicle Mounting: The antenna can be mounted at the center of a vehicle metal roof or
trunk lid if the minimum safe distance is observed.
●Antenna substitution: Don’t substitute the antenna supplied or recommended by the
manufacturer or your dealer. You may be exposing person(s) to excessive radio frequency
radiation. Please contact your dealer or the manufacturer for further instructions.
●Please make sure no stress on the antenna joint during transportation or installation.

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Contents
Caution
MANDATORY SAFETY INSTRUCTIONS
Safety and General Information
Product Safety and RF Exposure Compliance
FCC Licensing Information
Operation Guidelines
Installation Guidelines
Product Inspection
Installation
Radio Overview
Basic Operations
Turn Radio On/Off
Adjust the Volume
Monitor
Select a Channel
Select a Zone
Receive a Call
Send a Call
Select Power Level
BOT ID and EOT ID
Scan
Busy Channel Lockout (BCL)
BCL Override
DTMF Call
Code Squelch
Off Hook Decode
Time-out Timer (TOT)
Emergency Call
Programmable Auxiliary Functions
Reverse frequency
Talk Around
Selectable Squelch Level (SQL)

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User Selectable CTCSS/CDCSS (UST)
Public Address (PA)
Home Channel
2-Tone Encode Select
Display Frequency
Display Mode
Voice Compander
Scrambler
Key Assignment
Optional Accessories

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Safety and General Information
The following general safety precautions as would normally apply, should be observed
during all phases of operation, service and repair of this equipment.
* Do not attempt to configure the radio while driving; it is too dangerous.
* Do not operate your radio when someone is either touching the antenna or standing
within 2 or 3 feet of it, to avoid the possibility of radio frequency burns or related physical
injury.
* Do not operate the radio near dynamite blasting caps or in an explosive atmosphere.
* Turn OFF the radio while refueling or parking at gas station.
* Turn off your radio in any place where posted notices instruct you to do so.
* Do not expose the radio to direct sunlight over a long time, nor place it close to heating
source.
* Do not place the radio in excessively dusty, humid areas, nor on unstable surfaces.
* Do not modify the radio for any reason.
* This equipment should be serviced by qualified technicians only

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Product Safety and RF Exposure Compliance
Your HYT mobile radio is designed and tested to comply with a number of national and
international standards and guidelines (listed below) regarding human exposure to radio
frequency electromagnetic energy. This radio complies with the IEEE and ICNIRP
exposure limits for occupational/controlled RF exposure environment at operating duty
factors of up to 50% transmitting and is authorized by the FCC for occupational use only.
In terms of measuring RF energy for compliance with the FCC exposure guidelines, your
radio radiates measurable RF energy only while it is transmitting (during talking), not when
it is receiving (listening) or in standby mode.
Your HYT mobile radio complies with the following of RF energy exposure
standards and guidelines
zUnited States Federal Communications Commission, Code of Federal
Regulations; 47CFR part 2 sub-part J
zAmerican National Standards Institute (ANSI)/Institute of Electrical and Electronic
Engineers (IEEE) C95. 1-1992
zInstitute of Electrical and Electronic Engineers (IEEE) C95. 1-1999 Edition
zInternational Commission on Non-Ionizing Radiation Protection (ICNIRP) 1998
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 no more than 50% of the time and always adhere to the following
procedures:
Transmit and Receive
To transmit (talk), push the Push-To-Talk ([PTT]) key; to receive, release the [PTT] key.

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FCC Licensing Information
Part 15 Compliance
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.
FCC Licensing Requirements
Your radio must be properly licensed Federal Communications Commission prior to use.
Your HYT Wireless dealer can assist you in meeting these requirements. Your dealer will
program each radio with your authorized frequencies, signalling codes, etc., and will be
there to meet your communications needs as your system expands.

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Operation Guidelines
* For vehicles equipped with electronic anti-skid braking systems, electronic ignition
systems or electronic fuel injection systems, interferences may occur during the radio
transmission. If the foregoing electronic equipments are installed on your vehicle,
please contact your dealer for further assistance to make sure that the radio
transmission will not interfere with these equipments.
* For radio installation in vehicles fueled by LP gas with LP gas container within interior of
the vehicles, the following precautions are recommended for personal safety.
(1) Any space containing radio equipment shall be isolated by a seal from the space in
which the LP gas container and its fittings are located.
(2) Remote (outside) fitting connections shall be used.
(3) Good ventilation is required for the container space.
Safety: It is important that the operator is aware of, and understands, hazards common
to the operation of any radio.
Installation Guidelines
●Do not mount the mobile radio overhead or on a sidewall unless you take special
precautions.
●If the mobile radio is not properly installed, road shock could bump the radio loose, and
the falling radio could, in some circumstances, cause serious injury to the driver or a
passenger. In case of vehicle accidents, even when properly installed, the radio could
break loose and become a dangerous projectile.
●Antenna mounting: The antenna supplied by the manufacturer or radio dealer must not
be mounted at a location such that during radio transmission, any person can come closer
than the above indicated minimum safe distance to the antenna (i.e. 100 cm).
●To comply with current FCC RF Exposure limitations, the antenna must be installed at or
exceeding the minimum safe distance indicated above, and in accordance with the
requirements of the antenna manufacturer or supplier.
●Vehicle Mounting: The antenna can be mounted at the center of a vehicle metal roof or
trunk lid if the minimum safe distance is observed.
●Antenna substitution: Don’t substitute the antenna supplied or recommended by the
manufacturer or your dealer. You may be exposing person(s) to excessive radio frequency
radiation. Please contact your dealer or the manufacturer for further instructions.

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Product Inspection
Before unpacking the TM-610 mobile radio, please inspect the packaging for signs of
damage and report any damage to your dealer.
Upon unpacking of the TM-610 mobile radio, please ensure that all items shipped were
received, report any missing or damaged items to your dealer.
▇Accessories
Item Qty. (PCS)
Palm Microphone 1
Microphone Hanger 1
Microphone Hanger Screws 3
Mounting Bracket 1
Adjust knob 4
Bracket Mounting Screw Set 6
Fuse 2
DC Power Cable 1
Owner’s Manual 1
Palm Microphone Mounting Bracket
Microphone Hanger Microphone Hanger Screws

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Adjust knob Bracket Mounting Screw Set
Fuse DCPowerCable

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Installation
▇Install the radio
1. Attach the bracket, with 4.8 x 20 mm self-tapping screws, in a location where
convenient operation is accessible.
2. Connect the supplied antenna and power cable to the radio.
3. Slide the radio into the bracket, and secure it with the Adjust knobs.
4. Attach the microphone hanger, with 4 x16 mm self-tapping screws, in a location where
the user is easy to reach.
5. Plug the connector of the Palm microphone into the mic jack located on the front panel
of the radio, then place the microphone into the hanger.
1. Palm microphone
2. Adjust knobs
3. Main unit
4. Power inlet
5. Black lead
6. Red lead
7. Fuse

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8. Antenna pedestal
9. 4 × 16 mm self-tapping screw
10. Microphone hanger
11. Mounting bracket
12. 4.8 × 20 mm self-tapping screw
▇Installation Tools
1. Electric drill: ¢6mm or above
2. Cross head screwdriver
3. Hex socket sleeve (used for mounting 4.8 × 20 mm self-tapping screw)
▇Warning
* The radio operates with a power supply of 13.6 ± 15％Vnegative grounding only. Please
check polarity and voltage prior to installing the radio.
* Please check the extending length of the screws from the vehicle surface, prior to
installing the radio. Please pay high attention not to damage the wire and parts of the
vehicle when drilling mounting grommet.
* Please connect the supplied antenna and power cable to the radio, prior to installing the
radio on the bracket.
* Please use the mounting bracket supplied by HYT, to avoid radio loosen in case of
accidents, which may cause injury to your body.
* Please install the radio in a location where the user is easy accessible to the front panel
controls.
* Please make sure the location prior to drilling mounting grommet.
* Please make sure sufficient air space around it to allow for wiring.
* When substituting the fuse of the DC power cable, make sure to use fuse with the same
specification, fuse with higher capacity is prohibited.

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Radio Overview
▇Front Panel
①Volume Control Knob
Turn the Volume Control Knob clockwise to increase the volume, or counter-clockwise to
decrease the volume.
②LCD
Please refer to the “LCD Display” section for details.
③Programmable Functions Keys ([▲] / [▼])
The [▲] / [▼] keys are programmable with auxiliary functions by your dealer. Please refer
to the “Programmable Functions Keys” section.
④LED Indicator
⑤Speaker
⑥Power Switch
⑦Programmable Functions Keys ([P1]/[P2]/[P3]/[P4])
The [P1]/[P2]/[P3]/[P4] keys are programmable with auxiliary functions by your dealer.
Please refer to the “Programmable Functions Keys” section.
⑧Mic Jack
Plug the microphone connector into this jack.

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▇Rear Panel
①15PIN (external expansion)
②External Speaker Jack
Plug the external speaker connector (¢3.5mm) into this jack.
③Power Inlet
Use the DC power cable supplied by HYT to inlet 13.6V DC power supply.
④Antenna Pedestal
To connect the external antenna.
▇LED Indicator
Indicator Description
Lights red Transmit a signal
Lights green Receive a signal
Flashes orange Receives Code Squelch, selcall, or 2-Tone signalling call

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▇Programmable Function Keys
The [P1]-[P4], [▲]/ [▼] keys are programmable with auxiliary functions as follows:
1. Off
2. CH Up
3. CH Down
4. Zone Up
5. Zone Down
6. Monitor A
7. Monitor B
8. Monitor C
9. Monitor D
10. Display Frequency
11. Display Mode
12. User Selectable CTCSS/CDCSS (UST)
13. 2-Tone Encode Select
14. TX Power Select
15. Scan
16. Scan Add/Delete
17. Reverse Frequency
18. Talk Around
19. Select Squelch Level
20. Home Channel
21. Public Address
22. Scrambler
23. Voice Compander
24. Emergency Call

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▇LCD Display
Figure 1 LCD panel
Indicator Description
Displays CH number/name, zone number/name, DTMF
number, frequency, menu and options, etc.
Lo Low power output.
Press the [Monitor] key:
1. The “ ” icon is displayed when CTCSS/CDCSS,
2-Tone decoding is off.
2. The “ ” icon is displayed when speaker is unmuted.
Appears when activity is detected on non-priority channel
during the Scan status.
Appears when transmitting a selective call.
C indicates that the current channel is within the scan
sequence.
Z indicates multi zone scan.
The scrambler feature is enabled.
The voice compander feature is enabled.
The current channel is already in use.
Indicates the current channel is the priority channel. P•
indicates priority channel 1, P.indicates priority channel 2,
P:indicates priority channel 1 and 2.

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Basic Operations
Turn Radio On/Off
Press the power switch to turn on the radio.
Press and hold down the power switch for about 1 second to turn off the radio.
Adjust the Volume
Turn the Volume Control Knob clockwise to increase the volume, or counter-clockwise to
decrease the volume. During adjusting, please note that if the radio is programmed with
CTCSS/CDCSS or 2-Tone signalling squelch, noise will not be heard from local speaker
even though you turn the volume control knob fully clockwise.
Monitor
If the Monitor function is set by your dealer, press the programmed Monitor key while in
receive mode, to hear activities on the current channel.
The Monitor key is programmable with one of the following four operating modes by your
dealer:
1. Carrier Squelch-Momentary
Hold down the [MONI] key to open CTCSS/CDCSS/2-Tone signalling squelch. Release to
close the signalling squelch.
2. Carrier Squelch-Toggle
Press the [MONI] key to open CTCSS/CDCSS/2-Tone signalling squelch. Press again to
close the signalling squelch.
3. Squelch Off-Momentary
Hold down the [MONI] key to open carrier squelch; Release to close the carrier squelch.
4. Squelch Off-Toggle
Press the [MONI] key to open carrier squelch. Press again to close the carrier squelch.
Select a Channel
The [▲]/[▼], [P1]-[P4] function keys are programmable by your dealer to select a channel.

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The RX/TX frequency on each channel is set by your dealer.
Press the [CH Up] key (programmable) to select a higher numbered channel; press the
[CH Down] key (programmable) to select a lower numbered channel.
Select a Zone
The [▲]/[▼], [P1]-[P4] function keys are programmable by your dealer to select a zone.
The RX/TX frequency on each channel is set by your dealer.
Press the programmed [Zone Up] key to select a higher numbered zone; press the
programmed [Zone Down] key to select a lower numbered zone.
Receive a Call
If CTCSS/CDCSS, 2-Tone is set on the current channel by your dealer, you can receive
calls with matched signalling only. If CTCSS/CDCSS, 2-Tone is not set, you can hear from
all the users on the same channel.
Send a Call
1. Hold down the [PTT].
2. Speak into the microphone. The red LED lights while calling.
3. Release the [PTT] to return to the receive mode.
4. When transmission ends, put the microphone on hook.
Select Power Level
If the current channel is programmed with high power by your dealer, the power output
toggles between high and low upon each press the programmed Tx Power Select key.
The “LO” icon is displayed on LCD while using low power.
A higher level means you can reach a radio that is farther away. A lower power level saves
battery and reduces the possibility of interference. Use the high power setting only when
necessary.
Note:
* If the current channel is programmed with lower power, press the Tx Power Select key

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prompts an error tone, and the power level will not change.
* If you switch to low power on a channel that was set with high power, this configuration is
done on all other channels that were set with high power.
BOT ID and EOT ID
Your dealer may configure whether to transmit Connect ID (BOT ID) and Disconnect ID
(EOT ID), when connecting or disconnecting a repeater or telephone system. The
following modes are programmable:
1. BOT ID occurs on each press of [PTT].
EOT ID occurs on each release of [PTT].
2. Press the [*] while holding down the [PTT], then BOT ID is transmitted.
Pres the [#] while holding down the [PTT], then EOT ID is transmitted.
Scan
▇Scan Type
1. Single Zone Scan
Radio scans all the channels that added into the scan list on the current zone.
2. Multi Zone Scan
Multiple zones that added into a multi scan list can be scanned. All channels within all the
zones that added into the scan list can be scanned.
▇Scan Start
1. Add one or several non-priority channels into the scan list.
2. Press the programmed Channel Scan key to initiate scan from the current channel,
and ascends through the channel numbers in scan list. The LCD displays the “SCAN”
icon (“-SCAN-” indicates multi zone scan).
▇Scan Cease
Scanning pauses or ceases upon the following:
1. Upon repress the programmed Channel Scan key, scanning ceases, and the radio

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exits the scan mode.
2. Activate the Monitor function.
3. Receives carrier that satisfy radio unmute condition
▇Scan Resume
If scanning pauses on an active channel, the scanning will resume according to the scan
resume mode. The scan resume mode is programmable by your dealer for Carrier
operated scan or Time operated scan.
1. Time Operated Scan
Scanning remains on an active channel for a programmed time period (programmable by
your dealer), once the timer expires, the radio will begin scanning other channels even if
the active channel is still busy.
2. Carrier operated scan
If carrier is detected during the scan sequence, scanning will remain on the active channel
until there is no activity.
▇Dual Priority Scan
If dual priority channels are programmed by your dealer, the radio still checks the dual
priority channels for activity at configured intervals, while scanning pauses on a
non-priority channel. If carrier is detected on a priority channel, the radio will immediately
switch to the active priority channel.
LCD displays the “P•" icon if the current channel is programmed as the Priority Channel 1,
the “P.” icon if the current channel is programmed as Priority Channel 2, while the “P:” icon
if the current channel is programmed as both the Priority Channel 1 and 2.
▇Scan Add/Delete
If the Scan Add/Delete feature is enabled by your dealer, the current channel can be
added/deleted to/from the scan list, as the following procedures:
1. Select a channel to be added/deleted in the non-scan mode.
2. The current channel toggles between Add/Delete status upon each press the