Zonge GDP-32 - Page 61

May 2002
6. RECEIVER SETUP
6.1 CALIBRATION .......................................................................... 2
SPECIAL INSTRUCTIONS FOR MT/AMT ............................................................. 2
INITIALIZING THE CALIBRATION CACHE............................................................. 3
STARTING A CALIBRATION ................................................................................. 5
AUTOMATIC CALIBRATION ................................................................................ 6
S
TOPPING A CALIBRATION WHILE IN PROGRESS ................................................ 9
SYSTEM CHECK ................................................................................................ 9
Q
UALITIES OF A GOOD CALIBRATION .............................................................. 11
QUESTIONABLE CALIBRATIONS ....................................................................... 11
6.2 SYNCHRONIZING TIMING CIRCUITS............................. 14
FREQUENCY ADJUST AND SYNCHRONIZING OPERATIONS ................................. 14
SYNCHRONIZING THE TRANSMITTER AND RECEIVER ......................................... 17
MANUALLY TRIM THE XMT............................................................................. 20
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OSING SYNCHRONIZATION............................................................................. 21
SYNCHRONIZING MULTIPLE RECEIVERS WITH THE MULTI/SY-16 SYNC. BOX: 23
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YNCHRONIZING MULTIPLE RECEIVERS WITH THE MULT/SY-32 SYNC. BOX: . 25
SYNCHRONIZING AN ADDITIONAL XMT-32 (MULTI/SY-16)............................ 26
6.3 MEASURING CONTACT RESISTANCE ............................ 27
6.4 SETTING THE POWERLINE NOTCH FILTER................ 28
6.5 GAINS ........................................................................................ 29
HOW GAINS ARE DEFINED .............................................................................. 29
GAIN-SETTING STRATEGY ............................................................................... 29
SETTING GAINS .............................................................................................. 30
OPTION 1 – FULLY AUTOMATIC GAIN-SETTING ............................................ 33
OPTION 2 – AUTOMATIC GAIN SETTING........................................................ 34
OPTION 3 – MANUAL GAIN SETTING ............................................................ 34
OPTION 4 – CLEARING GAINS AND SP .......................................................... 36
OPTION 5 – A
DJUSTING SP OFFSET............................................................. 36
OPTION 6 – NOISY/STANDARD GAIN MODE .................................................. 36
OPTION 7 – S
ET NUMBER OF REPEATS .......................................................... 37
OPTION 8 – TURN ON G0 GAIN CALCULATION............................................... 37
6.6 BITS OF RESOLUTION ......................................................... 38