Hytera HM785 User Manual

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
Press the Back/Subgroup key.

The radio automatically exits the recording when other services with higher priority occurs or the storage
of the TF card is insufficient.

Call recording
The Call Record feature is to record the current call or all calls.

Enabling the Call Record feature

Press the preprogrammed Call Record key.

Go to Menu > TF Application > Recorder > Call Record, and then press the OK/Menu key to enable
the feature.

Exiting the recording

Press the Back/Subgroup key.

Go to Menu > TF Application > Recorder > Call Record, and then press the OK/Menu key to disable
the feature.

The radio automatically exits the recording when other services with higher priority occurs or the storage
of the TF card is insufficient.

Recording file management
The File List feature allows you to manage recording files stored in Record File List. The file and file folder
are described in the following table.
Item Description Naming Convention
Recording
file
The maximum duration of each recording file is
five minutes. If the duration exceeds the limit, the
recor
ding file is divided into several files.
The
recording file
is named as
"
xyyy_mmddhhmmss.zz".

"x" can be "R" or "C", representing
live
record and call record respectively.

"yyy" is the number of a call.

"mmddhhmmss"
represents the recording
time (month/day/hour/minute/second).

In trunking mode, the time is the real
time provided by the clock.

In conventional mode, the time is
"0000000000".

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)