Hytera HM785 User Manual

11
Align the concave side of the plastic upper cover with the aluminum chassis, and then press the cover until the latches
are properly locked.
3.4.2 Installing the Radio
Select a location, drill holes based on the shape of the mounting bracket, and then use the screws (4.8 mm x 20 mm)
to secure the bracket.
Connect the RF antenna, GPS antenna, and power cord to the radio.
Slide the radio into the mounted bracket, and then secure it by using the locking knobs.
Install the microphone hanger in a location where you can reach it easily, and then use the screws (4 mm x 16 mm)
to secure it.
Align the triangle index on the palm microphone with the installation index, plug the connector into the radio, and
then rotate the connector clockwise to secure it.
Place the palm microphone on the hanger.

Hytera HM785 Specifications

General

Channel Capacity	1024
Operating Voltage	13.6 V ± 15%
GPS	Yes
Bluetooth	Yes
Channel Spacing	12.5/20/25 kHz
Operating Temperature	-30°C to +60°C
Frequency Stability	±0.5 ppm
Antenna Impedance	50 Ω
Modulation Limiting	±2.5 kHz @ 12.5 kHz; ±4.0 kHz @ 20 kHz; ±5.0 kHz @ 25 kHz
Audio Distortion	≤3%
Intermodulation	≥65dB
Spurious Response Rejection	≥70dB
IP Rating	IP54
Frequency Range	UHF: 400-527MHz
Display	2.4-inch
Digital Protocol	DMR
FM Hum & Noise	≥40dB
Adjacent Channel Power	≥60dB
Audio Response	+1~-3dB
Conducted & Radiated Emission	-36dBm ＜1GHz; -30dBm ＞1GHz
Adjacent Channel Selectivity	≥60dB
Zone Capacity	64 (each with a maximum of 256 channels)
Sensitivity (Analog)	0.22 μV (12 dB SINAD)