Hytera H Series - Attaching the Antenna; Attaching the Audio Accessory

User Manual
Before Use
7
To remove the battery, make sure that the radio is turned off, and then lift the battery latch.
3.5 Attaching the Antenna
Do not hold the radio by the antenna and swing it. This may affect the antenna performance and shorten the life
span of the antenna.
3.6 Attaching the Audio Accessory
For optimal waterproof and dustproof performance, do as follows:

Attach the accessory with care to avoid scraping the silicone rubber surrounding the accessory connector
screw hole.

Close the accessory connector cover and fasten the screw after removing the accessory.