Madrigal Imaging MP-9 - Manual (Page 99)

Symptom: The projector does not respond to the or keys.
Cause/Remedy: 1) You may not be holding down the key long enough to initiate the
action. Like , and must be pressed down for at least
one second.
Symptom: The projector does not respond to an IR Remote keypad.
Cause/Remedy: 1) The projector's IR keypad listening status may be turned off. Press
to turn on the listening status of all projectors, or press
followed by the projector's identity number to turn on the listening
status of the projector you want to respond.
2) The keypad's protocol (A or B) might not match the projector's IR pro-
tocol setting. Refer to section 2.3, Hardware Setup for instructions on
how to check and change the keypad's protocol setting. However, if the
projector's setting is "Off", the remote keypad will not respond. You
may have to configure the keypad for built-in operation to gain control
of the projector.
3) The IR keypad may be too far away from the projector or screen. Use
the IR keypad closer to the projector or screen. Also ensure the keypad is
pointed directly at the screen or the front of the projector.
4) The viewing path between the IR keypad and the projector (or screen or
switcher) may be restricted. Ensure there is a clear line-of-sight between
the keypad and the projector (or screen or switcher).
5) The sensor may be disabled per the Keypad Options menu ( ).
6) The batteries in the IR keypad may be weak. Replace the batteries in the
keypad. See section 2.3 for battery installation instructions.
7) There may be unusual lighting conditions in the room which effect IR
keypad operation. Determine if such conditions exist and correct.
Symptom: The display is jittery or unstable.
Cause/Remedy: 1) The horizontal or vertical scan frequency of the input signal may be out
of range. Check the specifications in Section 5 for scan frequency ranges.
2) Synchronization signals from the source may be inadequate. Correct the
source problem.
3) The input signal type may not match the signal type required by the
input module. Install the correct input module/interface to match the
signal type of the source.
1 6 UTIL
PROJ PROJ
MUTE STBY POWER
MUTE STBY
MAINTENANCE
4.5