Weifang Goertek Electronics GBDA60 Bluetooth Dongle User Manual GBDA60 user guide
Weifang Goertek Electronics Co.,Ltd Bluetooth Dongle GBDA60 user guide
Users Guide
GBDA60 User Guide 1. Introduction This document specifies the ways for simple use to GBDA60 . 2. User interface tables 2.1 Press Function GSH300 GBDA60 Button Long-press (2s) PAP until blue LED flashes Very-long-press (5s) PAP until LED flashes blue/red Power On Off Pairing Pairing Off Initiate connect On and no AV connect On and in Standby state Short-press (1s) PAP Power Off On Very-long-press (5s) PAP until red LED flashes Note: A Short Press is assumed to be any button press less than or equal to 1 seconds. A Long Press is assumed to be any button press longer than 2 seconds. See the following tables for detailed press-functionality descriptions 2.2 LED GBDA60 State Power off Pairing mode Pairing successful Standby(no audio channel) Active mode (audio channel open) Standby(Low battery) Active mode(Low battery) Charging mode Blue LED OFF Blue LED and Red LED flash by turns Flash 3 times Flash 1 time every 2s Flash 3 times in 500ms,long off 2s Flash 1 time every 2s Flash 3 times in 500ms,long off 2s Across to the status Note : Full battery voltage has been set to 3.7V Low battery voltage has been set to 3.3V Shutdown voltage has been set to 3.0V To temporarily return from shutdown point change battery Red LED OFF Red LED and Blue LED flash by turns OFF OFF OFF Flash 1 time every 5s Flash 1 time every 5s On until charging is over 2.3 PIO Assignment PIO PIO0 PIO1 Definition REDLED_ENA BLUELED_ENA Function PIO3 PAP Power and pairing button, pairing/connect/ power on/power off PIO9 POWER_HOLD Power on/off control Blue led control Red led control 3.TRANSMITTER CHARACTERISTICS The requirements stated in this section are given as power levels at the antenna connector of the equipment. If the equipment does not have a connector, a reference antenna with 0 dBi gain is assumed. Due to difficulty in measurement accuracy in radiated measurements, it is preferred that systems with an integral antenna provide a temporary antenna connector during type approval. If transmitting antennas of directional gain greater than 0 dBi are used, the applicable paragraphs in ETSI 300 328 and FCC part 15 must be compensated for. The equipment is classified into three power classes. A power control is required for power class 1 equipment. The power control is used for limiting the transmitted power over 0 dBm. Power control capability under 0 dBm is optional and could be used for optimizing the power consumption and overall interference level. The power steps shall form a monotonic sequence, with a maximum step size of 8 dB and a minimum step size of 2 dB. A class 1 equipment with a maximum transmit power of +20 dBm must be able to control its transmit power down to 4 dBm or less. Equipment with power control capability optimizes the output power in a link with LMP commands . It is done by measuring RSSI and report back if the power should be increased or decreased. Note that power class 1 must not be used for sending packets from one device to another if the receiving side of a connection does not support the necessary messaging for power control of the sending side (i.e. RSSI measurements and related messages). In this case, the transmitter should comply with the rules of a class 2 or class 3 transmitter. Also note that if a class 1 device is paging or inquiring very close to another device, the input power could be larger than the requirement in 4.5 Maximum usable level. This can cause the listening device to fail to respond. It is therefore useful to page and inquireas well using transmission according to power class 2 or class 3. 3.1 MODULATION CHARACTERISTICS The Modulation is GFSK (Gaussian Frequency Shift Keying) with a BT=0.5. The Modulation index must be between 0.28 and 0.35. A binary one is represented by a positive frequency deviation, and a binary zero is represented by a negative frequency deviation. The symbol timing shall be better than ±20 ppm. For each transmit channel, the minimum frequency deviation (Fmin = the lesser of {Fmin+, Fmin-}) which corresponds to 1010 sequence shall be no smaller than ±80% of the frequency deviation (fd) which corresponds to a 00001111 sequence. In addition, the minimum deviation shall never be smaller than 115 kHz. The data transmitted has a symbol rate of 1 Ms/s. The zero crossing error is the time difference between the ideal symbol period and the measured crossing time. This shall be less than ± 1/8 of a symbol period. 3.2 SPURIOUS EMISSIONS The spurious emission, in-band and out-of-band, is measured with a frequency hopping transmitter hopping on a single frequency; this means that the synthesizer must change frequency between receive slot and transmit slot, but always returns to the same transmit frequency. For the USA, FCC parts 15.247, 15.249, 15.205 and 15.209 are applicable regulations. For Japan, RCR STD-33 applies and, for Europe, ETSI 300 328. 3.2.1 In-band Spurious Emission Within the ISM band the transmitter shall pass a spectrum mask, given in Table 3.2. The spectrum must comply with the FCC's 20-dB bandwidth definition and should be measured accordingly. In addition to the FCC requirement an adjacent channel power on adjacent channels with a difference in channel number of two or greater an adjacent channel power is defined. This adjacent channel power is defined as the sum of the measured power in a 1 MHz channel. The transmitted power shall be measured in a 100 kHz bandwidth using maximum hold. The transmitter is transmitting on channel M and the adjacent channel power is measured on channel number N. The transmitter is sending a pseudo random data pattern throughout the test. Exceptions are allowed in up to three bands of 1 MHz width centered on a frequency which is an integer multiple of 1 MHz. They must, however, comply with an absolute value of –20 dBm. 3.2.2 Out-of-Band Spurious Emission The measured power should be measured in a 100 kHz bandwidth. 3.3 RADIO FREQUENCY TOLERANCE The transmitted initial center frequency accuracy must be ±75 kHz from Fc. The initial frequency accuracy is defined as being the frequency accuracy before any information is transmitted. Note that the frequency drift requirement is not included in the ±75 kHz. The transmitter center frequency drift in a packet is specified in Table 3.4. The different packets are defined in the Baseband Specification. Federal Communications Commission (FCC) Statement 15.21 You are cautioned that changes or modifications not expressly approved by the part responsible for compliance could void the user’s authority to operate the equipment. 15.105(b) 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. Operation is subject to the following two conditions: 1) this device may not cause interference and 2) this device must accept any interference, including interference that may cause undesired operation of the device. FCC RF Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
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