Ashly 24.24M Specifications download pdf (Page 25)

13. TROUBLESHOOTING TIPS

13.1 Audio Problems

1) No power - Is the detachable AC cord fully

plugged in? Is the rear panel power switch on?

2) Software controls don't work - Is the RS-232

cable properly installed to the PC? Is the software com-

munications enabled? Is the software device set to

24.24M? Check the security level (section 10.4). If set to

<24.24M Full Lock> then no changes are allowed, or if

set to <24.24M Parameter Lock> then no changes can be

made other than recalling new presets. Does the Data chan-

nel assignment match between software and 24.24M (sec-

tion 7.3)?

3) No sound - Check to see if the input or output is

muted. Is the input Preamp set for the proper gain? Is the

input or output Gain turned down? Is the Noise Gate

threshold set too high? Is the Input to Output Matrix con-

nected as desired? Does the Matrix Mixer section have

any signals turned down or muted? If used as a crossover,

make sure the high pass filter (HPF) is set to a lower fre-

quency than the low pass filter (LPF) for a given output.

If using a condenser mic, is Phantom Power turned on (in-

put Preamp)?

4) Clip light stays on - Is the input signal level too

high? Is the Input Preamp gain set too high? Are input or

output gain settings too high? Check to see if an EQ filter

has too much boost.

5) Distorted sound but no Clip LED- Check indi-

vidual EQ filters to see if there is excessive boost.

6) Muffled sound - If expecting full range audio on

an output, make sure the crossover settings are not inad-

vertently set so as to limit the pass band.

7) Excessive Noise - Set the Input Preamp gain as

high as possible while allowing 20dB of headroom before

clipping occurs. Do not use input or output Gain controls

for large increases (>20dB) in level from input.

8) Forgot the password - See section 10.4

13.2 Data Communications Problems

1) Test all data cables. Use RS232 data cables with

all conductors wired straight through. Monitor cables and

Null Modem cables use non-standard wiring schemes, they

will not work.

2) Use a valid PC serial port. You must use a serial

port that is not opened to any other application, such as a

mouse, modem, or another program. To verify that the

port exists look in: Control Panel - System - Device Man-

ager - Ports. While you're there, make sure that the port

has no warnings or conflicts.. Finally, you must select the

valid port in Protea System Software. This is done under

the Communications heading - Com Port Assignment.

3) Make sure that the RS-232 mode switch, located

on the back of 24.24M, is in the "out" position. There is

just one exception to this rule: the RS-232 mode switch

gets pushed in only when both the RS232 Dataport is con-

nected to a PC, and the 24.24M is the first of several Pro-

tea products, including the remote control WR-5, in a data

chain (sec. 7.3)

4) Make sure the device ID (1-16) assigned to the

24.24M matches the data channel chosen for the device

within Protea System Software, and make sure that no other

devices use that channel.

14. DIMENSIONS

24.24M Matrix Processor

3.25

3.50

0.00

0.25

8.50

(89)

(82.6)

(6.4)

(

)

(

)

(

)

(216)

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Ashly 24.24M Specifications Page 25

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