Hytera HM682 User manual

HM68 2 DIGITAL MOBILE RADIO
QUICK REFERENCE GUIDE
2023 Hytera US Inc. All Rights Reserved.
8 Whatney, Irvine, CA 92618
[email protected]
https:// www.hytera.us

1
Product Overview
Product Layout
Front Panel
Rear Panel Palm Microphone
Programmable Keys
You can request your dealer to program the Emergency key,
Answer key, and End key as shortcuts to assignable radio
features.
Installation
Precautions
Before installation, read the following guidelines carefully:
●Before installation, ensure that the vehicle power supply
has a negative ground with the voltage of 13.6±15% V.
●Before installation, measure the length of screws
protruding from the radio surface. During installation,
drill the holes on the vehicle according to the screw
length to avoid damaging the vehicle wires or other
components.
●Use the antenna and power cord approved by the
Company.
●Use the mounting bracket approved by the Company.
Otherwise, the accidental drop of the radio may injure
people in the vehicle.
●Install the radio at a position where you can easily reach
the front panel.
●To facilitate wiring, keep sufcient space at the back of
the radio.
●When replacing the fuse for the DC power cord, ensure
the new fuse shares the same specication with the old
one.
●If any other communication devices such as repeaters
are in the vicinity of the radio, keep the antenna of these
devices at least 10 meters away from that of the radio.
Tools
●electric drill
●Phillips screwdriver
●T20 torx screwdriver

2
Parts
No. Part Name No. Part Name
1Radio 6Self-tapping Screw
(4 mm x 16 mm)
2Locking Knobs 7Microphone Hanger
3Mounting Bracket 8GNSS Antenna
4Self-tapping Screw
(4.8 mm x 20 mm) 9Power Cord (with fuse)
5Palm Microphone 10 RF Antenna
●The RF antenna is optional.
●The GNSS antenna is available only for
radios with the Location feature.
Procedure
1. Install the radio.
a. Select a location on the vehicle.
b. Hold the mounting bracket to the location, and then
mark the mounting holes.
c. Drill holes at the mounting holes.
d. Use the screws (4.8 mm x 20 mm) to secure the
mounting bracket.
e. Connect the RF antenna, GNSS antenna, and power
cord to the radio.
f. Slide the radio into the mounting bracket, and then
fasten the locking knobs.
2. Install the palm microphone.
a. Select a location on the vehicle where you can reach
the palm microphone easily.
b. Hold the microphone hanger to the location, and
then mark the mounting holes.
c. Drill holes at the mounting holes.
d. Use the screws (4 mm x 16 mm) to secure the
microphone hanger.
e. Align the triangle index on the palm microphone
with that on the radio.
f. Plug the aviation connector on the palm microphone
into the aviation port on the radio, and then rotate
the connector clockwise to secure it.
g. Place the palm microphone on the hanger.
Basic Operations
Turn On or Off the Radio
●To turn on the radio, connect the radio to power supply
or long press the On-Off key.
●To turn off the radio, long press the On-Off key.
Adjust Volume
Toggle the Volume key up to increase the volume or down to
decrease the volume.
Select a Zone
●On the home screen, press the Back/Zone key, toggle
the Channel/Navigation key to select a zone, and then
press the OK/Menu key.
●Press the preprogrammed Zone Up key or Zone Down
key.
Select a Channel
●On the home screen, toggle the Channel/Navigation
key.
●On the home screen, press the Back/Zone key, toggle
the Channel/Navigation key to select a zone, and
then press the OK/Menu key. Toggle the Channel/
Navigation key to select a channel, and then press the
OK/Menu key.
●Press the preprogrammed Channel Up key or Channel
Down key.

3
Status Indications
LCD Icons
Icon Description
The radio detects no signal.
More bars indicate stronger signal.
The radio works in low power mode.
The radio works in high power mode.
An accessory is connected.
The radio is scanning.
The radio is in emergency mode.
There is/are (a) missed call(s).
There is/are (an) unread message(s).
The inbox is full.
For more status icons, refer to the relevant User Manual.
LED Indicator
LED Indicator Radio Status
Flashes green The radio is being turned on.
Glows green The radio is receiving.
Glows red The radio is transmitting.
Flashes orange slowly The radio is scanning or
roaming.
Flashes orange rapidly The radio is in emergency mode.
Glows orange
Call hang time: No voice is being
transmitted or received during a
call. Within such a period, you
can press and hold the PTT key
and speak.
Flashes blue
Every 3s
The BT feature is enabled, but
the radio is not connected to any
BT device.
Every 1.5s A BT device is connected.
Every 0.1s The BT feature is being disabled.
Call Services
To ensure optimal voice quality on the receiving radio, keep
the microphone 2.5 cm to 5 cm from your mouth during
speaking.
Make a Call on a Digital Channel
●Select a digital channel, and then press and hold the PTT
key.
●Go to Menu >Contact, toggle the Channel/Navigation
key to select a contact, and then press and hold the PTT
key.
Make a Call on an Analog Channel
●Call Without Signaling
a. Select an analog channel.
b. Press and hold the PTT key
●Call with Signaling
a. Go to Menu > Contact, or press the preprogrammed
Contact List key.
b. Toggle the Channel/Navigation key to select a
contact.
c. Press and hold the PTT key, or press the
preprogrammed One Touch Call key.
Emergency Call
The Emergency feature is configured and enabled by your
dealer. For details, refer to the relevant User Manual.
For details, please visit our website at: https://www.hytera.
com/en/download-center.html, or scan the QR code to
download the relevant user manual.