Tait TM9100 Service Manual

TM9100 Service Manual Servicing Procedures 143
© Tait Electronics Limited August 2005
Task 5 —
Obtain the Details
of the Software
Feature Enabler
(SFE)
Use the programming application to obtain and record the details of any
software-enabled features (Tools > Optional Features).
For more information refer to the online help of the programming
application.
Task 6 —
Read the
Calibration File
Use the calibration application to read the calibration file and save it on the
test PC. If the calibration file cannot be read, set up a suitable default
calibration file and load it to the radio
Task 7 —
Check the
User Interface
Check the user interface as follows:
1. Use the programming application to activate backlighting, deactivate
silent and quiet modes, and view the programmed function keys,
channels and scan groups.
2. Turn on the radio, make sure that the volume control is not set to low,
and check the start-up sequence:
■ the LEDs light up red briefly
■ the speaker gives two short beeps
■ LCD and keypad backlighting activates
■ the LCD displays a power-up message then a channel number, or
an error message.
3. Check for the following elements of the user interface:
■ volume control: Use CCTM command 1010 to read the volume
potentiometer. The returned value should be between 0 and 255.
■ LCD: Check visually or use CCTM command 1006 1 to switch
on all LCD elements. Power-cycle the radio to reset the LCD to
its original state.
■ PTT key: While pressing the PTT key, the transmit symbol or
should appear on the radio display (unless transmit is inhibited
on the selected channel).
■ scroll and selection keys: Scroll through all settings and observe the
radio display.
■ function keys: Check whether the programmed function is
activated.
■ keypad: use CCTM command 1009 1 to turn on keypad
notification. Check that each keypress returns a different number.
CCTM command 1009 1 turns keypad notification off.
■ backlighting (if programmed): Any keypress should activate
backlighting.
4. If there is a fault in the user interface, repair the radio as described in
“Fault Finding of Control Head” on page 397.
5. If there is no fault, go to Task 8
.

Tait TM9100 Specifications

General

Brand	Tait
Model	TM9100
Category	Radio
Language	English