Hangzhou ZH Tech RH08 Rechargeable Walkie Talkie User Manual

Hangzhou ZH Tech RH08 Rechargeable Walkie Talkie

Product Overview

Operations Instructions

Basic Operation

Charging the Headset:

• Built-in llOOmAh rechargeable battery. When you need to charge, you could use the charging cable(lncluded) to connect the RHOS walkie talkie and insert it into a USB charger (Car charger, power bank, computer USB, etc)
• When charging, “Battery Level” will display, with the battery level increasing from 1 to 5 grids and cycling until fully charged

WARNING

• Avoid long-term battery loss to prevent battery damage
• Pay attention to the temperature of the charging environment. Do not charge in high temperature or overheated environments to avoid affecting battery life; When the temperature is too low, charging is slow or difficult to charge

Attaching the RH08 Walkie-talkie to the Compatible Earmuffs

• Use the top clip of the walkie talkie to grip the upper edge of the muff ear shell (Side with audio jack)
• Pull open the clip at the bottom of the RHOS walkie talkie, align it with the gap between the ear shell, and then clamp it tightly
• Adjust the RHOS walkie talkie, and fully insert the audio jack

Radio Operation

• Power On/Off: Press and hold /MODE.
• Volume Adjustment: While not in a mode, the volume may be adjusted by pressing the up or down volume buttons on the unit. The volume level will be indicated by the rising bars in the top right of the screen.
• Channel Selection: Press the /MODE button one time to enter the menu. “CH” will display. Press the up or down buttons until the desired channel appears on the screen. The RHOS Walkie Talkie supports standard GMRS/FRS channels 1 through 22. Press the Power/Menu button four more times to exit the menu. Alternatively, the menu will exit after a few seconds of inactivity.
• Communication: All radios in your group must be set to the same channel. To talk, press and hold the Push-to-Talk (PTT) button and speak. The PTT icon will flash on the screen while transmitting. Release PTT button when finished.

Advanced Operation

Using Sub-Channels

Selecting a sub-channel will cause you Razor Walkie Talkie to only receive transmission from other radios set to the same channel and sub-channel. This allows multiple groups to communicate on the same channel independently. Note that other radios will receive transmissions from your channel regardless of sub-channel.

• Press the /MODE. button two times to enter the sub-channel menu. “SUB” will displayed.
• Press the up or down buttons to scroll through and select any of 99 sub-channels.
• Press the /MODE button three more times to exit the menu. Alternatively, the menu will exit after a few seconds of inactivity.

Voice Activated Transmit (VOX)

To allow for hands-free operation of the RHOS walkie-talkie, Voice Activated Transmit, or VOX, can be enabled. When activated, the unit will automatically transmit when the wearer is speaking. PTT is still available while VOX is enabled.

• Press the /MODE button three times to enter the VOX menu. “VOX” will be displayed.
• Press the up or down volume buttons to scroll through the available options. OF disables VOX and is the default setting. LO is for low sensitivity and is meant for environments with external noise such as wind. HI is for high sensitivity ideal for low wind areas or indoors.
• Press the /MODE button two more times to exit the menu. Alternatively, the menu will exit after a few seconds of inactivity.

Using a Priority Channel

Priority channels are a unique feature to the RHOS walkie-talkie. Setting a priority channel will allow the RHOS walkie-talkie to scan a secondary channel on which important messages may be broadcast. This channel might be used by a range master to alert shooters of a cease fire or by a site foreman to warn workers of a immediate job site hazard.
While receiving transmissions from the priority channel, the headset cannot transmit.

• Press the /MODE button four times to enter the priority channel menu. “PRI” will be
• Press the up or down volume buttons to scroll through the channels. The priority channel can be set to any of the 22 channels available other than the one currently set as the main channel.
• Press the /MODE button one more time to exit the menu. Alternatively, the menu will exit after a few seconds of inactivity.

FCC Statement

FCC: 2AYW U- RHOB

Attention:

This radio complies with IEEE and ICNIRP exposure limits for General Population/Uncontrolled RF exposure environment at operating duty factors of up to 50% and is authorized by the FCC for General Population/Uncontrolled use only. An appropriate warning lable is affixed to all units. In order to comply with RF exposure requirements, a minimum distance of O cm must be maintained when held-to-ear. Do not use this device when antenna shows obvious damages.

This product is in compliance to FCC RF Exposure requirements and refers to FCC website https://apps.fcc.gov/oetcf/eas/reports/GenericSearch.cfm search for FCC ID: 2AYWU-RH08 to gain further information include SAR Values.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules.

Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

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