Hytera PD70X - Squelch off; Adjust Squelch Level; One Touch Call

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Hold down the programmed Monitor Momentary key to
enable the feature (a high-pitched tone sounds). To disable
the feature, release this key (a low-pitched tone sounds).
Squelch Off
If the feature “Squelch Off” is enabled, the speaker will keep
unmuted no matter whether carrier is present.
Operation:
Press the programmed Squelch Off key to enable the feature,
and the radio sounds background noise (a high-pitched tone
sounds). To disable the feature, press this key again (a low-
pitched tone sounds).
Hold down the programmed Squelch Off Momentary key to
enable the feature, and the radio sounds background noise (a
high-pitched tone sounds). To disable the feature, release this
key (a low-pitched tone sounds).
Adjust Squelch Level
This feature allows you to adjust the squelch threshold required for
the radio to unmute.
Generally, “Tight” is used in high noise environment. It requires
stronger signal for the radio to unmute. If the squelch level is
set to Open, the speaker will keep unmuted irrespective of the
satisfaction of decoding conditions.
Operation:
Press the programmed Adjust Squelch Level key to switch
among Tight, Open and Normal (from Tight to Open, a low-pitched
tone and background sound are heard; from Open to Normal, a
high-pitched tone is heard and the background sound disappears;
from Normal to Tight, a high-pitched tone is heard).
One Touch Call
You can request your dealer to set the One Touch Call key. By
pressing such programmed key, you can make corresponding
services detailed as below:

Services on the analog channel: to make a call to the 5-Tone
or 2-Tone contact.

Services on the digital channel:

To send message to the Group Call contact.

To send message or make control services to the Private
Call contact.
The control services contain: Alert Call, Radio Check, Remote
Monitor, Radio Enable or Radio Disable.
Alert Call
You can send an alert call to a Private Call contact. The called
party will see the alert and can call you back.
Radio Check
You can send a Radio Check command to a Private Call
contact, so as to conrm whether it is powered on or running
on the current channel without disturbing it.
Remote Monitor
You can enable the microphone of a Private Call contact, and
monitor its activities or background voices remotely.
Radio Enable
You can enable the radio of a Private Call contact remotely
and allow it to be used normally.
Functions and Operations