Operating Instructions

Notes on Charging Batteries / Specifications
23
Notes on Charging
Batteries
• Always use the BC-DWZ1 battery charger (not
supplied) when recharging.
• Only nickel-metal-hydride batteries can be recharged.
• The unit will automatically turn off during recharging.
Audio cannot be transmitted during this time.
• When charging batteries, follow the temperature
specifications for the batteries you are using.
• Do not insert batteries that were used in other devices in
the transmitter for charging.
Important
The antenna covers (ZTX-M02RC) and the body of the
unit (ZTX-B02RC) are the areas that are charged and may
become hot during or immediately after charging. This is
not a malfunction.
Specifications
Design and specifications are subject to change without
notice.
DWZ-M70
Carrier frequencies
2402.0 MHz to 2478.5 MHz
Occupied RF bandwidth
2.5 MHz
Type of emission
F1D and F1E
Modulation method
GFSK
Operating temperature
0 °C to 50 °C (32 °F to 122 °F) (during
charging: 0 °C to 40 °C (32 °F to
104 °F))
Storage temperature
–20 °C to +60 °C (–4 °F to +140 °F)
Delay time Approx. 5 milliseconds (Wide Band)
Approx. 3 milliseconds (Narrow Band)
ZTX-M02RC handheld microphone
RF output level 10 mW (e.i.r.p.)
Antenna λ/4 monopole antenna
Microphone type
Uni-directional dynamic
Frequency response
Transmission: 10 Hz to 22 kHz
Microphone unit: 70 Hz to 18 kHz
Maximum input level
142 dBSPL (when attenuator level is
12 dB)
Dynamic range 102 dB (A-weighted)
Power requirements
3.0 V DC (two LR6 (size AA) alkaline
dry cell batteries)
Battery life Approx. 10 hours of continuous use
(25 °C (77 °F) ambient temperature,
Notes
• Always verify that the unit is operating properly before use.
SONY WILL NOT BE LIABLE FOR DAMAGES OF ANY
KIND INCLUDING, BUT NOT LIMITED TO,
COMPENSATION OR REIMBURSEMENT ON ACCOUNT
OF THE LOSS OF PRESENT OR PROSPECTIVE PROFITS
DUE TO FAILURE OF THIS UNIT, EITHER DURING THE
WARRANTY PERIOD OR AFTER EXPIRATION OF THE
WARRANTY, OR FOR ANY OTHER REASON
WHATSOEVER.
• SONY WILL NOT BE LIABLE FOR CLAIMS OF ANY
KIND MADE BY USERS OF THIS UNIT OR MADE BY
THIRD PARTIES.
• SONY WILL NOT BE LIABLE FOR THE TERMINATION
OR DISCONTINUATION OF ANY SERVICES RELATED
TO THIS UNIT THAT MAY RESULT DUE TO
CIRCUMSTANCES OF ANY KIND.