Bosch Security Systems H225 User Manual

Users Manual

Electro-Voice Model REV-H Handheld Wireless Microphone Transmitter

The Electro-Voice (Ev) REV-H is a Professional Grade Wireless Handheld
Transmitter operating in the UHF frequency range. The REV-H 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. The typical line-of­sight distances for the system may be up to 300 feet.

System features include:

 Durable Painted Metal Handle.
 Permanent Flash Memory for frequency/setting storage.
 On-Loc prevents accidental power off (when set).
 LCD Display with Backlight for ease of viewing.
 Internal top loaded monopole Antenna.

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REV-H Controls and Connections:

1. Main Display – LCD. Display backlight – flashes when battery is low

2. Power On/Off Switch

3. Control Buttons – SET, UP and DOWN

4. Two AA Batteries

5. Battery Cover – Screw Type

6. Microphone Element

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Quick set-up:

1. With the Power Switch on the transmitter OFF, install fresh batteries into

the transmitter.

2. To prevent feedback or unintentional noise, mute the audio

mixer/amplifier or other device during set-up adjustments.

Place the transmitter Power Switch to the ON position.

3. The operating screen (display) light will come on momentarily.

The display will current frequency group and channel and the battery
level. Note: Anytime Power is removed and turned back on, the
GP/CH/Bat screen will be displayed.

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 11. If not, proceed to Step 5.

5. To select a different GP/CH, press SET one time. The Group will start

flashing. Use the up and down arrows to change the group number. Press
the SET button to save the Group.

6. After setting the Group, The Channel number will start flashing . Use the

up/down arrows to change the Channel number. Press SET and the
channel is now saved.

7. There are 10 Groups and up to 16 Channels (preferred groups/channels)

stored in memory. If desired, you can create new groups/ channels but
you must change to a new frequency to store in that group/channel.

8. In order to select a new frequency, you must have a “users” group

/channel selected. Press the SET button. The Group should be flashing.
Press the Up arrow until a group ending with u is found (any u group can
be used) Press SET. The Channel should now be flashing. Select a
channel with the up/down arrow. Press SET.

9. You are now ready to select a frequency to store in the users group

above. Press and hold the set and down arrows at the same time for 3
seconds and release to go to the next screen function.

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