Jotron AS| TR7750C: Operators Manual Operating Instructions
P/N: 84748 (G)
5.7 User menu – receiver (Default access level)
Main display window for user levels: Operator, Technician and SysOp.
When the receiver is switched on, it will show the channel, the frequency
and the operation mode (FM).
When the DRC dedicated receiver is switched on, it will show the DSC
channel, the DSC frequency and the operation mode (DRC).
Press to navigate to the channel recall screen.
Select any channel (up to 100) that is previously stored in the radio by
rotating . Recall selected channel with
If no channel is stored, the display will show: CH: No channels
Press to navigate to the loudspeaker audio output screen.
This setting adjusts the audio level output in the integrated loudspeaker.
Rotate CW or CCW to adjust the audio level.
Press to navigate to the headset audio output screen.
This setting adjusts the audio level output in the integrated loudspeaker.
Rotate CW or CCW to adjust the audio level.
Press to navigate to the channel select screen.
Select channel number by rotating CW or CCW.
Confirm new frequency with or .
Confirm with or .
If the channel is already programmed, the channel may be cleared using
Press to navigate to the display intensity adjust screen.
This setting adjusts the intensity of the display and LED indicators.
Rotate CW or CCW to adjust the intensity.
Press to return to the default screen
Pressing from the main display will bring up the menu options
available for the current user level.
Press to disable / activate the squelch.
Menus for user level: Operator
For details regarding submenus, refer to chapter 5.4.
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