Motorola APX 7500 Detailed Service Manual page 67

Installation: Programming the Consolette
Hardware PTT (Aux Tx) – This selection enables the rear panel Hardware PTT input where transmit
audio is input at the rear panel Aux Tx pin. The Hardware PTT (Aux Tx) selection is incompatible
with the Wireline Function "Hardware PTT" selection. If the Wireline Function "Hardware PTT" is
enabled when Hardware PTT (Aux_Tx) is selected the Wireline Function will be forced to "None".
3.7.3.4.5 Transmit Audio Tuning – Crosspatch
The Consolette ships from the factory with the "Crosspatch In (TX) Gain Setting" at a nominal -6
dBm. This gain is user adjustable from the Gain Adjustments Page
To adjust the transmit tuning of the Crosspatch path on the Consolette, first make sure that the
"Crosspatch-Hardware PTT Selection" located in the Audio Parameters Page
"Crosspatch (Always Enabled). Next, generate a 1 kHz signal at 300 mVrms from a 600 Ohm source
into CP_AUX_TX and key the unit using the CP_PTT* signal. Measure the deviation of the received
RF signal. Adjust the "Crosspatch In (TX) Gain Setting" field to increase or decrease the
corresponding gain, then hit "apply" to see the result. Continue to adjust as necessary by selecting
the up arrow or the down arrow and selecting the "apply" button. Once you have obtained the final
setting, then hit "Store" at the bottom of the page to commit the new gains to the Consolette
codeplug.
3.7.3.4.6 Over-the-Air Alert Tones Setup
From the "Button & Softmenu Assignment" Page, the user can assign an over-the-air alert tone to
any buttons. The alert tone can be assigned to multiple buttons.
• To assign an alert tone to a softkey menu button, select the alert tone (e.g. Aud Alert 1) from
the list on the left and click the "Add" button.
• To assign an alert tone to a dedicated programmable (side) button, select the alert tone from
the pull-down menu of the corresponding side button.
Once all selections have been made, click the "Store" button to save the selections.
The user can change the "Audible Alert Hangtime" value. The default hangtime is 2 seconds (2000
milliseconds). From the "Consolette Parameters" Page, select the desired "Audible Alert Hangtime"
value from the pull-down menu. Click the "Store" button to save the selection.
3.7.3.4.7 Battery (AC Power Fail) Alert Tone Setup
From the "Consolette Parameters" Page, the user can enable the over-the-air battery alert. Select
the "Enabled" radio button for the "Over-the-Air Battery Alert" field. Click the "Store" button to save
the selection.
3.7.3.4.8 Low TX Power on Battery Operation Setup
From the "Consolette Parameters" Page, the user can enable low TX power while operating on DC
(battery) power. Select the "Enabled" radio button for the "Low TX Power On Battery" field. Click the
"Store" button to save the selection.
3.7.3.4.9 Recorder Setup
From the Audio Parameters Page
recorder as well as select the audio content.
There are three configurations for the recorder:
• Record Off – when selected, the recorder output will remain muted.
• Record RX Only – when selected, the recorder output will contain receive audio and tones only.
• Record RX + TX – when selected, the recorder output will contain both receive audio and tones
and transmit audio.
68009482001
(Figure 3-9), the user can enable the output to an external
(Figure 3-13).
(Figure 3-9) is set to
September 9, 2011
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