2 Description
-approximately 60 minutes before the batteries or BP 4000 battery pack wil be dead; and
-while the transmitter recalls the carrier frequency from memory after you turned power to the transmitter on. Unless you muted the audio signal, the status LED will change to green as soon as the frequency has been recalled.
-while the display shows an error message.
Dark: The transmitter is in SILENT mode.
2Display: The transmitter provides a
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| Preset Name, Frequency Group, | |
Alphanumeric display of |
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the currently active value |
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| Channel (Preset menu only) | |
or battery capacity in hours |
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| Operating condition, | |
Battery capacity |
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| measurement unit | |
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or audio level bar graph |
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| Parameter to be adjusted | |
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The display indicates all transmitter parameters: | |||||||||||
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-Carrier frequency in MHz or as a Channel of a Frequency Group
-Audio input level
-Battery status and remaining operating time
-Error messages
-Setup menus: Frequency, Preset, Gain
The backlighting of the display comes on every time you actuate the setup switch and will switch off after approximately 10 seconds.
3 ON/OFF button: A short push (approx. 0.6 seconds) will switch power to the transmit- | Refer to fig. 1. |
ter ON and activate the display (2) and status LED (1). The transmitter will be ready to |
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operate after approx. 7 seconds. |
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A long push (approx. 2 seconds) will switch power to the transmitter OFF. |
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The ON/OFF button is recessed for protection from unintentional actuation. |
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4MUTE switch: Sliding the MUTE switch toward the outside of the transmitter (arrow) will mute the audio signal. The status LED (1) will change to red. Since power and the RF section remain ON, no unwanted noise will become audible from the sound system when you mute the audio signal.
To switch the audio signal back on, slide the MUTE switch toward the inside of the trans- mitter (toward the ON/OFF switch). The status LED (1) will change to green.
The MUTE switch is active in all modes.
5Charging contacts: The recessed charging contacts allow you to recharge the optional AKG BP 4000 battery pack on the optional CU 4000 charger without having to remove the battery pack from the transmitter.
6Setup switch: Sets the various parameters of the transmitter. The setup switch has the following functions:
•LOCK mode:
Turn left or right briefly to scroll between Frequency, Preset (only if a Preset has been loaded), Gain, and Battery Capacity (shown in hours) screens.
Long push: toggles between LOCK and ACTIVE modes when the transmitter is ON. When power to the transmitter is OFF, a long push switches the transmitter ON and places it in SILENT mode.
•ACTIVE and SILENT modes only:
Short push: calls up a parameter for adjustment or confirms a selected value.
HT 4500 | 23 |
