Hytera HM785 User Manual

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
Select Time Zone, and then set the time zone.
8.1.1.5 Keypad Mode
With the Keypad Mode feature enabled by your dealer, go to Basic Settings > Keypad Mode, and then do either
of the following:

Select On or Off to enable or disable the manual dialing on the home screen.

Select One Touch Call/Menu to enable the One Touch Call/Menu feature by the numeric keypad.
8.1.1.6 MIC & SPK
The MIC & SPK feature allows you to select the microphone and speaker used by the radio to transmit and receive
voice. With the audio accessory connected, you can switch the audio options. For details, see the following tables.
MIC
Option Description Operation
Follow PTT
When you transmit voice through the
PTT
key of
the radio, the radio uses the internal microphone.
When you transmit voice through the audio
accessory, the radio uses the external microphone.

Through the menu
1. Go to Basic Settings > MIC & SPK.
2. Select MIC Selection.
3. Select the audio option.

Press the preprogrammed
Mic Set Switch
key to switch the audio option.
Only Internal
The radio uses only the internal microphone.
Only External
The radio uses only the microphone of the audio
accessory, such as earpieces.
SPK
Option Description Operation
Only Internal
T
he radio uses only the internal speaker.

Through the menu
1. Go to Basic Settings > MIC & SPK.
2. Select SPK Selection.
3. Select the audio option.

Press the preprogrammed SPK
Set
Switch key to switch the audio option.
Only External
The radio uses only the speaker of the audio
accessory, such as
the
remote speaker microphone.
External First
When audio accessories are connected, the radio
uses the external speaker. Oth
erwise, the radio
uses
the internal speaker.

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)