White’s Electronics Goldmaster GMT - Manual (Page 3)

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GMT Table of Contents
Chapter 1 Assembly ............................................................................... 2
Assembly Instructions ......................................................................................................................... 3
Chapter 2 Batteries ................................................................................. 4
Standard Battery Holder ...................................................................................................................... 4
Using the
Standard Battery Holder ................................................................................................................... 4
Rechargeable Battery(Opt.) ................................................................................................................. 5
Battery Check ...................................................................................................................................... 5
Chapter 3 GMT Quick Start .................................................................. 6
Quick Start
Instructions ....................................................................................................................................... 7
Chapter 4 Controls ................................................................................. 8
Gain Control/Power Off ...................................................................................................................... 8
Gain Adjustment .................................................................................................................................. 8
Gain Adjustment (cont'd) .................................................................................................................... 9
Audio Signal Boost Toggle ............................................................................................................... 10
Hot Rocks .......................................................................................................................................... 11
Variable SAT Speed Control .............................................................................................................. 11
VSAT Adjustment .............................................................................................................................. 11
Iron I.D. Trigger Adjustment ............................................................................................................. 12
Threshold Control ............................................................................................................................. 13
Threshold Adjustment ....................................................................................................................... 13
Ground Balance
Fast AutoTrac .................................................................................................................................. 14
Manual Ground Balance .................................................................................................................... 15
Ground Balance Adjustment ............................................................................................................. 15
Chapter 5 Searching............................................................................. 16
Pinpoint Technique ............................................................................................................................ 16
Headphones ....................................................................................................................................... 17
Field Use & Tuning Tips ................................................................................................................... 18
Field Use & Tuning Tips (cont'd) ...................................................................................................... 20
Field Use & Tuning Tips (cont'd) ...................................................................................................... 22
Chapter 6 Information.......................................................................... 24
Proper Care ........................................................................................................................................ 24
Service ............................................................................................................................................... 25
Warranty ............................................................................................................................................ 26
Warranty Transfer .............................................................................................................................. 27
Video and Owner Information ........................................................................................................... 28
GMT Table of Contents
NOTE: Due to Acrobat PDF limitations the Introductory page is on page 29