9320 Reference Controller Operating Manual 14 (52)
If the MENU key is released before the power-down counter reaches zero, 9320 resumes normal
operation. The power-down counter is shown to prevent unwanted or accidental powering down of
9320A. The 9320 can also be turned off by selecting the ‘Power Down’ in the MENU.
5.1.2 Control Knob and Display
The control knob with two main functions: volume control and volume control in GLM and selection and
adjustment when using menu functions. The knob controls output level to the selected output and the
GLM Smart Active System volume level. When the absolute SPL display is set in the GLM software, the
volume value is shown as sound level at the listening position, in dB SPL scale. The display shows the
current output level on SPL scale relative to the max SPL, or on absolute SPL at the listening location,
available after calibration. The top row can contain small labels and these indicate the state of the 9320.
Fig. 6. Relative level display (left), absolute SPL level display (right).
Table 2. Top row display indications
Label Meaning
GLM GLM software is communicating with the 9320
MIC Measurement microphone is connected to 9320A
CAL Headphone serial number specific equalizer is set
MEQ Optional EQ (this option is not in use)
UEQ User equalizer is set for the headphone output
SED Sound Exposure Dose (noise dose caused by the audio signal)
AID Aural ID is in use; this is communicated by the GLM software
Max
level
When the “Max level” label is shown, the maximum SPL restriction has been set and is
active
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