Bosch Security Systems Inc. H220 用户手册

(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.