Operational Description

FCC ID: CCRAH2

Operational Description

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FCCID_1329981

                                                       AH2 OPERATION DESCRIPTION

Operation      Status Before Operation          SW Control          3 Color LED               AH2 Status                                                       Notes
                                                     More than
            Off                            Depress                  Lights Green     Normal Operation                Feeding power to the circuit -> RF Transmission -> Mute Off -> AF On
  Power                                                1sec
  On/Off    In Normal Operation or AF                More than
                                           Depress                       Off         Off                             Audio Off -> RF Off -> Power Off, LED : Lights -> Blinks (1sec) -> Off
            Volume Adjust                              1sec
                                                                                                                     In case the SW is depressed more than 1sec, the power shall be Off. LED : Light -> Blinks
            In Operation (Audio On)          Push        0.2-1sec   Blinks Green     Mute On
   Mute                                                                                                              (1sec) -> Off
            In Operation (Mute On)           Push       0.2-1sec     Lights Green    Audio On                        In case the SW is depressed more than 1sec, the power shall be Off. LED : Blinks -> Off
            In Operation                      N/A          ---        Blinks Blue    Normal Operation+Battery Low
Battery Low Mute                              N/A          ---        Blinks Blue    Mute On + Battery Low           Ignore the Mute status indication
                                                                                     AF Level Adjustment + Battery
            AF Level Adjustment               N/A          ---      Blinks Yellow                                    Follow the Level Adjustment Indications, Ignore the battery low status.
                                                        More than                    Low
            Off                             Depress                 Blinks Yellow*   Volume Adjustment Mode          Power Off(Off) -> Level Adjustment Mode, * The speed of LED blink is the last level setting.
                                                          5sec
            Increase Gain                    Push        1 Time     Blinks Yellow    Increase Gain                   Increases the level by one step with one push of the SW. (Total 5 steps)
                                                                    Fastest Blinks
AF Volume At Maximum Level                    N/A          ---                       Maximum Level                   Reach at the maximum level. Even AH2 is battery low, the LED keeps the fast blinks.
                                                                         Yellow
Adjustment Decrease Gain                     Push        1 Time     Blinks Yellow    Decrease Gain                   Decreases the level by one step with one push of the SW. (Total 5 steps)
                                                                    Slowest Blinks
            At Minimum Level                  N/A          ---                       Minimum Level                   Reach at the minimum level. Even AH2 is battery low, the LED keeps the slowest blinks.
                                                                         Yellow
            Fix the AF Volume Level        Neglected     10 sec          Lights      Normal Operation                10sec after without touching the SW, the level shall be fixed and back to normal operation.
            Either In Operation or Power                                                                             While recharging system with 5V power is connected with AH2, all of AH2 functions are the
                                           Neglected       N/A       Lights Blue     Under Recharging
            Off                                                                                                      same as power off.
Recharging
                                                                                                                     While recharging system with 5V power is connected with AH2, all of AH2 functions are the
            Complete Recharging            Neglected       N/A           Off         Power Off
                                                                                                                     same as power off.

LED Colors
  Colors              Meanings
  Green    Normal Operation
  Yellow   AF Level Adjustment
   Blue    Battery Status


                                      AH2 Wireless Transmitter Specifications
                              Items                                 Standard        Unit                   Conditions
                                                           Min       Typical Max
                                       Product Standard    3.4        3.7    4.2
1   Operating Power Voltage                                                           V
                                       Actual Operation    3.2        3.7      5

2   Consumption Current                                               30     40     mA            Power Supply Voltage : 3.7V

3   RF Output Power                         5mW             -4               +3       dB

4   Frequency Stability                                    -30               30     kHz

5   Spurious                                                                   1    uW

6   Modulation Factor                     Deviation         13        15     17     kHz         INPUT 1kHz -20dBv / +-6dB/VRct

7   Input Impedance                          MIC                      2k           ohms

8   T.H.D.                                at Overall                           2      %       1kHz DEV=Which of 15kHz or 5kHz or
                                        50Hz, 15kHz at
9   Audio Frequency Response                               -3.5              3.5      dB          MOD. 1kHz     INPUT -50dBv
                                           overall
                                                                                                                                 /25 oC



                                                          Specifications
    Operating Frequencies                                 CH1       642.375MHz
                                                          CH2       642.875MHz
                                                          CH3       644.125MHz
                                                          CH4       644.750MHz
                                                          CH5       645.500MHz
                                                          CH6       645.750MHz


    Frequency Type                                        F3E
    Modulation Type                                       Variable Reactance Modulation
    OSC System                                            Crystal SAW Oscillator
    Pre-emphasis                                          50usec
    Noise Reduction Type                                  Compander Type
    Operating Distance                                    100m from receiver in sight.
    Antenna                                               Utilizing microphone boom
    Input                                                 Microphone Permanently Attached
    Phantom                                               3V/3.2kDC/2.2kAC
    Maximum Input Level                                   -10dBv /VRct (TYP)
    Battery                                               Lithium polymer battery(3.7V/210mA/h)
    Battery Life (Alkaline)                               5 hours at 25 oC
    Battery charge                                        USB charger : 100mA/ 2-3H         Optional AC Adapter charger : 200mA /1-2H
    Operating Temperature                                 0 - 50 oC
    Controls                                              One push switch for Power/VR/Mute
                                                          1 x 3 color LED to indicate Battery, Normal Operation, Mute, Level Change,
    Display (LED)
                                                          Recharging status
    Dimensions                                            W : 14mm, L : 177mm ,H : 58 mm(no Anntena included)
    Weight                                                approx.     23g



Document Created: 2010-07-09 09:42:42
Document Modified: 2010-07-09 09:42:42

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