Description of service mode functions
DESCRIPTION OF SERVICE MODE FUNCTIONS
| SN | The serial number of the unit is displayed, this cannot be altered. |
| SV MM | This displays the software version installed in the unit. In addition to the calendar week and year, the information also contains a version number. |
| RS 0.0 | This displays the radio unit revision level. |
| GAL | Displays the current GAL curve setting. Pressing the preset buttons 1 to 6 can set a new GAL curve. |
| Tuner 1 | Displays the frequency set (FM waveband), the signal strength and the quality of the signal received. In AM mode, the frequency set and signal strength are indicated. |
| SP0 V00 | Indicates if DSP is fitted and in communication with the headset. DSP 0 will be shown if DSP is not fitted and DSP 1 will be shown if DSP is fitted. V is for the volume level, 00 is minimum. The volume control knob changes volume. |
| TP-V | The minimum TP volume can be adjusted within a range from -9 to +9. Preset station button 1 (- direction) will reduce the level by one step. Preset station button 2 (+ direction) will increase the level by one step. The volume can be made louder or quieter by repeatedly pressing the buttons until the desired level is found. |
| Blank Display | The blank display is the test mode for the display pixels. Pressing the preset button 1 to 4 will change the type of display: All pixels ON, all pixels OFF, chessboard 1 and chessboard 2. |
| Area Setting | This function is only on business radio headsets. This function enables the unit to be market programed to the correct region. Options are: Europe, USA, Japan, Oceanic and Canada. |
| AF Auto | The Alternative Frequencies (AF) can be switched between auto setting and off. |