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RF part includes Transmitter and Receiver functions. Digital signals (Mainly voice data) that come from DSP, are modulated and
are transmitted. On the other hand, received signals are demodulated and go out to DSP.

IC701 controls D771 by TRSW/TRSW_n signals and carries out the switching of TX-mode/RX-mode. In the same way, IC701
controls D781 by ANT/ANT_n signals and carries out the switching of Antenna1 (ANT1)/Antenna2 (ANT2).

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The voltage from the AC adaptor is supplied to the charge circuits. Main charge (220~280 mA at the Battery) of maximum 
6-hours is started soon after the handset is placed on the charger unit. Then it changes to Trickle charge to prevent from
overcharging.

The route for this is as follows: DC+pin of J1(+) 

→ F1 → R1 → CHARGE+pad → Handset → CHARGE-pad → DC-pin of J1(-).

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Refer to the Operating Instructions.

You can download and refer to the Operating Instructions (Instruction book) on TSN Server.

Refer to the Operating Instructions.

You can download and refer to the Operating Instructions (Instruction book) on TSN Server.

Refer to the Operating Instructions.

You can download and refer to the Operating Instructions (Instruction book) on TSN Server.