Bosch Security Systems H220 Handheld Wireless Microphone User Manual CSHBandCUsers020705
Bosch Security Systems, Inc. Handheld Wireless Microphone CSHBandCUsers020705
users manual
Preliminary Users Manual
Electro-Voice Model CSH-1000 Wireless Microphone Transmitter
(Ev Band C frequencies)
The Electro-Voice (Ev) CSH-1000 Is a Professional Grade Wireless
Transmitter operating within the frequency range of 776.0 MHz to 800.000
MHz. ( Ev Band C frequencies).
The CSH-1000 combines frequency agility and ease of use like no other.
The transmitter operates within a 24 MHz wide segment in 25 KHz steps.
The high quality audio circuitry and advanced Radio Frequency (RF) signal
processing offer broadcast quality signal-to-noise and audio clarity.
System features include:
• Over-molded Warmgrip ™ handle.
• Interchangeable microphone heads.
• Smart Battery circuit, accepts either polarity orientation.
• Permanent Flash Memory for frequency/setting storage.
• On-Loc prevents accidental power off.
• LCD Display for ease of viewing.
• Internal Antenna.
Quick set-up:
1. With the Power Switch on the transmitter OFF, install a fresh battery into
the transmitter.
2. Place the transmitter Power Switch to the ON position.
3. The Red Battery light near the display will flash on once and then off.
The display will also come on briefly displaying the battery level.
4. The screen will stop at the GP (Group) and CH (Channel) screen. If the
Group and Channel match the desired receiver group and channel,
Proceed to Step 7. If not, proceed to Step 5.
CSH-1000 Users Manual Page 2
Quick set cont’d.
5. To select a different GP/CH, press MENU if required to get to the
GP/CH display. Press the SET button once and the Group number will
flash. Use the up and down arrows to change the group number. Press
the SET button to save the Group.
6. The Channel number will start flashing after step 5. Use the up/down
arrows to change the Channel number. Press SET and the channel is now
saved.
7. Talk test the transmitter in conjunction with the receiver/audio syatem.
Adjust the microphone gain control on the transmitter as required.
The Transmit Power (RF) is shipped set to “Norm” for use with multiple
frequency systems. If set to High for longer distances or to suppress noise,
the power is approximately 50 milliwatts.
When power off is required, place the power on-off slide switch in the OFF
position. The display will then indicate Loc-Off. Press the SET button to
clear the Loc-Off function. The display should now be blank.
Specifications: Page 3
Frequency range……………………….776.000 to 800.000 MHz.
Channel Step………………………….. 25 KHz
RF Power………………………………Norm, 5 mW, High, 50 mW.
Modulation…………………………….FM, 40 KHz nominal.
Frequency Response…………………..80-15000 Hz +/- 2 dB.
Microphone Gain Range………………26 dB.
Microphones, Electret or Dynamic…… Electret bias provided.
Microphone heads screw on and off, replaceable.
Antenna………………………………..Internal Dipole.
Battery Life (Alkaline)………………... 8-10 Hours Typical.
CSH-1000 Users Manual. Page 4
Approval Information:
The Telex/Ev CSH-1000 Transmitter is Type Accepted under United States
Federal Communications Commission Part 74.
The Telex/Ev CSH-1000 Transmitter is Certified to Industry Canada
RSS123 rules.
Licensing of Telex/Ev equipment is the users responsibility and
licensability depends upon the user’s classification, user’s application
and frequency selected. Telex/Ev strongly urges the user to contact the
appropriate telecommunications authority for any desired clarification.
CAUTION: Any changes or modifications made to the above equipment
could void the user’s authority to operate the equipment.