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F.W. Bell 9900 Series Operation & Maintenance Manual

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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 9000 SERIES GAUSSMETERS SK N F g 9 : ! . . ' 0 GAL'S:ME IEH * A A ,12111b4U411,4 /CI q 1 I I I' 4,4 SERIES 9900 GAUSSMETER...
  • Page 3 SERIES 9000 9900 SERIES GAUSSMETERS SERIES 9900 GAUSSMETER Operation and Maintenance Manual 6120 HANGING MOSS ROAD ORLANDO, FLORIDA 32807 PHONE: 407-678-6900 TWX: 810-853-3115 FAX: 407-677-5765 LITHO IN U.S.A. -01-183 91062.5S...

  • Page 4: Table Of Contents

    9000 SERIES 9900 SERIES GAUSSMETERS TABLE O F CONTENTS SPECIFICATION TABLE SIMPLIFIED OPERATING INSTRUCTIONS FOR T H E SERIES 9900 GAUSSMETERS SECTION I SERIES-9900 GAUSSMETER DESCRIPTION -A I N T R O D U C T I O N -B F U N C T I O N A L DESCRIPTION SECTION I I SERIES-9900 GAUSSMETER PREPARATION POWER RECEPTACLE...
  • Page 5 9000 SERIES 9900 SERIES GAUSSMETERS V-F R S -232 IMPLEMENTATION3 SECTION V I COMMUNICATIONS INTERFACE3 VI-A R S -232 PORT FUNCTION DESCRIPTION3 VI-B R S -232 ELECTRICAL INTERFACE/HANDSHAKING3 VI-C I E E E -488 BUS FUNCTIONAL DESCRIPTION4 VI-D I E E E -488 ELECTRICAL INTERFACE4 SECTION V I I DIAGNOSTIC ERROR CODES4 VII-A DIAGNOSTIC OVERVIEW4 VII-B P O W E R -UP SEQUENCE4...
  • Page 6 9000 SERIES 9900 SERIES GAUSSMETERS SERIES-9900 SPECIFICATIONS RANGES/RESOLUTION PROBE RANGES R E S O L U T I O N GAUSS T E S L A G A U S S T E S L A 30 mG 0 . 0 0 1 300 mG 0 .
  • Page 7 9000 SERIES 9900 SERIES GAUSSMETERS ANALOG OUTPUT Output Voltage: 3 . 0 Vrms (ac Mode) or ±3 Vdc (dc Mode) Full Scale Source Impedance: < 1 0 0 ohms Termination: S t a n d a r d BNC Connector dc ANALOG OUTPUT ACCURACY Range ±...
  • Page 8 9000 SERIES 9900 SERIES GAUSSMETERS FREQUENCY R A N G E dc Mode: (Displayed R e a d i n g ) ac Mode: Hz to 50 kHz TEMPERATURE R A N G E O p e r a t i n g : 0 °...

  • Page 9: Simplified Operating Instructions For T H E Series 9900 Gaussmeters

    Power Switch on the front panel and depressing the side marked 1. GAUSSMETERS NOTE: At turn-on, the screen should display a large F.W. Bell logo. Beneath the logo, various messages will indicate the progress of the initialization. If any error messages occur at this time, refer to Section VII, Diagnostic Error Codes.

  • Page 10: Section I

    DESCRIPTION magnetic field information. Either steady-state (dc) or alternating (ac) fields can be measured. When matched with the appropriate F.W. Bell fourth- generation Hall generator probe, fields as low as 10 pG (0.0011.1T) or as high as 2.9999 MG (299.99 T), at frequencies up to 50 kHz, can be measured with extreme accuracy and 4-3/4 digit resolution.
  • Page 11 Hall generator probe. Unit interfaces to gaussmeter via a 64-pin dual- row DIN connector. (7-a) PROBE CONNECTOR 9-pin twist-lock non-magnetic connector that mates to F.W. Bell fourth-generation Hall generator probes. (7-b) ACTIVITY INDICATOR Red LED indicating module/probe activity. (8) INTERFACE MODULE...
  • Page 12 9000 SERIES 9900 SERIES GAUSSMETERS SECTION I continued (12) RS-232 PORT Standard 25-pin "D" type female connector CONNECTOR for RS-232 communications. General Description (13) IEEE-488 BUS Standard 24-pin GPIB connector for IEEE- CONNECTOR 488 bus interface. (14) ANALOG OUTPUTS Calibrated analog outputs from each channel.

  • Page 13: Section I Iseries-9900 Gaussmeter Preparation

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION I I -A POWER RECEPTACLE WARNING! READ THIS CAREFULLY The SERIES-9900 gaussmeter has been factory-configured to operate on a line voltage of 115 Vac. If operation at 230 Vac is required, perform the following steps or damage may result. 1) See figure II-A.

  • Page 14: I-Cprobe Installation

    II-D POWER-UP Locate the power switch on the front panel and depress the side marked "1". The display's backlight should turn on and the "F.W. Bell" logo will appear. Beneath the logo various messages will appear to indicate the progress of the power-up initialization.

  • Page 15: Section I I Ifield Measurement Operations

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION I I I -A DISPLAY FORMAT In the MEASURE mode of operation the format of the display varies with the number of probes present. The user can also modify the display format with FIELD the DISPLAY FORMAT menu.

  • Page 16: Ii-Cbargraph

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION III continued 1 1 r % . 1 1 L J a 1 1 L, a i f W40'1U If! t r i l M O M M O M F M M I O A U T O —...

  • Page 17: Ii-Einformation Block

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION III continued -E INFORMATION BLOCK Field Measurement Operations The information block ® contains various annunciators and information about the present state of the channel as follows: If the autoranging function has been turned on "AUTO"...

  • Page 18: Ii-Hpeak Hold Operation

    In the dc mode of operation the polarity of the reading versus the orientation of the probe is depicted in Figure III-E. (Note the "F.W. BELL" logo is in an upright, right-reading orientation.) As shown, the magnetic flux lines traveling in the direction indicated by a "B"...

  • Page 19: Ii-Kanalog Outputs

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION III continued -K ANALOG OUTPUTS Field Measurement Operations On the rear panel of the gaussmeter are connections that, when connected to an oscilloscope, allow the user to observe the actual magnetic field waveforms. In the ac mode, the waveform is the actual field waveform calibrated to 3 volts rms full scale.
  • Page 20 9000 SERIES 9900 SERIES GAUSSMETERS SECTION III continued Field Measurement Operations F.W. BELL *** SERIES-9900 GAUSSMETER *** VERSION 1.0 Chan Reading R e l a t i v e Range Class-LO Class-Hi Classify Auto Peak Probe Type -1.6676 kG -55.338 G...

  • Page 21: I-Minternal Recalibration

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION III continued NOTE: The user should be aware that the serial transmission rate is much slower than the rate at which the display is updated with new readings. In Field Measurement Operations other words the gaussmeter does not wait for a transmission to complete before taking another reading.

  • Page 22: Section I V

    9000 SERIES 9900 SERIES GAUSSMETERS IV-A INTRODUCTION SECTION I V The gaussmeter's MENU mode allows the user to modify all aspects of the instrument operation; range settings, display format, peak hold, communications format, etc. Probe ZEROING and RELATIVE operations are MENU also initiated from the MENU mode.

  • Page 23: V-Dmode Selection

    9000 SERIES 9900 SERIES GAUSSMETERS IV-D MODE SELECTION SECTION I V continued Menu Operation/Gaussmeter Mode selection affects two operating parameters: the type of magnetic field Programming being measured (ac for alternating or dc for steady-state) and the units of measurement (GAUSS or TESLA). In the ac mode, field readings will be preceded by a symbol representing a sinusoidal waveform (-), whereas dc readings will be preceded by the appropriate polarity (+ or —).

  • Page 24: V-Fpeak Hold

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION I V continued R A N G E SELECTION 3 G [ 30 mG ] 300 uT [ 3 uT ] Menu Operation/Gaussmeter IX-10X [ .01X ] 30 G [300 mG ] 3 riT [ 30 mT ] Programming CHANNEL-1 300 G [ 3 G ]...

  • Page 25: V-Hsetup Save-Load

    9000 SERIES 9900 SERIES GAUSSMETERS Either the digital reading or the bargraph, or both, can be turned off to suit the SECTION I V continued user's requirements. By turning both off, the user eliminates the channel Menu Operation/Gaussmeter from the screen and the channel and its probe is placed in a standby position. Programming If only the digital reading is turned off, the reading's polarity ('-, or + or —) will remain on the screen as an indication of the type of field (ac or dc) being...

  • Page 26: V-Iprobe Zero

    9000 SERIES 9900 SERIES GAUSSMETERS Note that values generated by the PROBE ZERO and PROBE RELATIVE SECTION I V continued functions are NOT saved or loaded. The present values (if any) remain in Menu Operation/Gaussmeter effect. Also, if a loaded setup's range setting is inappropriate for the type of Programming probe presently installed, the next valid range will be selected automatically.

  • Page 27: V-Jprobe Relative

    9000 SERIES 9900 SERIES GAUSSMETERS Prior to storing a digital correction factor for the lowest dc range, the Series- SECTION I V continued 9900 adjusts an offset suppression voltage at the input to the first Menu Operation/Gaussmeter amplification stage. The unit then proceeds to generate and store a digital Programming correction factor for each dc range.
  • Page 28 9000 SERIES 9900 SERIES GAUSSMETERS use previously generated relative values (USE PREVIOUS) or generate new SECTION I V continued values (GENERATE NEW). If the latter is selected, the following occurs: Menu Operation/Gaussmeter Programming A message will appear that states that the gaussmeter is ready to begin. Pressing the ENTER pushbutton initiates the relative operation.

  • Page 29: V-Kclassifiers

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION I V continued IV-K CLASSIFIERS Menu Operation/Gaussmeter The CLASSIFIER function allows the user to define a lower and upper limit of Programming field density which can be used to quickly determine the status of a magnetic field.

  • Page 30: V-Lcommunications Format

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION I V continued CLASSIFIER Menu OperationlGaussmeter Programming CHANNEL-1 LIMIT CHANNEL- 2 CHANNEL- 3 LO- E 3 K G + 1.5000 HELP O N -M MAIN MENU ON-M&D HI- 6 3 K G + 1.7000 Figure IV-J CLASSIFIER Menu IV-L C O M M U N I C AT I O N S F O R M AT...
  • Page 31 9000 SERIES 9900 SERIES GAUSSMETERS SECTION I V continued This mode of operation is called the "MASTER" mode and should not be confused with the other mode of remote operation called the "SLAVE" mode Menu Operation/Gaussmeter (Section V). In the "MASTER" mode the gaussmeter is controlling the Programming terminal, with the terminal's screen and keyboard duplicating the gaussmeter's front panel display and pushbuttons.

  • Page 32: Section V R E M O T E (Slave) Mode Operation

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V -A OVERVIEW The "SLAVE" mode of operation allows a remote device such as a computer system to control gaussmeter operations. Another mode of remote operation, the "MASTER" mode, in which the gaussmeter controls a remote REMOTE (S LAVE) terminal or hardcopy device, is discussed in Sections III and IV.

  • Page 33: V-B(B) Range Selection

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued RANGE SELECTION Remote (Slave) Mode Operation Command - RA<channel><range> 1 = Channel 1 1 = 3 G or 300 µT ( 3 0 mG o r 3 µ T ) 2 = Channel 2 2.=30Gor 3 mT ( 3 0 0 mG or 3 0 J ) 3 = Channel 3 3 = 300 G or 30 mT ( 3 G o r 300 iff)

  • Page 34: V-B(E) Communications Format - Ieee-488

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued COMMUNICATIONS FORMAT - IEEE-488 Remote (Slave) Mode Operation Command - CO<1><address><address><0><0> Must be 1 Must be 0 1st digit of 2-digit IEEE-488 address (0 - 3) 2nd digit of 2-digit IEEE-488 address (0 - 9) NOTE: Legal addresses are 00 - 31 (decimal).

  • Page 35: V-B(G) Classifiers

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued CLASSIFIERS Remote (Slave) Mode Operation Command - CL<channe1><state><low range><low sign><low setting> <high range><high sign><high setting> 1 = Channel 1 " + " 1 = OFF 2 = Channel 2 2 = ON — M 3 = Channel 3 3 = ON —...

  • Page 36: V-B(I) P R O B E Zero

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued PROBE ZERO Remote (Slave) Mode Operation Command - ZE<channeb<status> 1= Channel 1 must be '0' 2 = Channel 2 (See NOTE) 3 = Channel 3 NOTE: The PROBE ZERO operation will start immediately, so the probe must be placed in the ZERO GAUSS CHAMBER (or other desired zero field environment) Before this command is issued.

  • Page 37: V-B(K) Measure

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued If an error prevented a successful relative operation or if the OFF state was selected, "range," "sign" and "reading" will be returned to '0000000.' See Remote (Slave) Mode Operation Section IV-J for further information on relative operation errors. NOTE: The range units (GAUSS or TESLA) are determined by the MODE SELECTION command.

  • Page 38: V-B(I) Lockout

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued NOTE: The range units (GAUSS or TESLA) are determined by the MODE SELECTION command. If the channel has been programmed for ac mode, Remote (Slave) Mode Operation the "sign" character will be a "-." The SPACE " " character will be returned if the reading is exactly 00000 in the dc mode.

  • Page 39: V-Dcommand Execution

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued program the MODE for all three channels in one command string, the Remote (Slave) Mode Operation c o m m a n d string might appear like this: <ESC>M011M023M034<CR> In this example, CHANNEL 1 was programmed for GAUSS-AC, CHANNEL 2 for TESLA-AC and CHANNEL 3 for TESLA-DC.

  • Page 40: V-Eieee-488 Implementation

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued The gaussmeter will not accept any new commands until the present commands have been executed. When the final command has been Remote (Slave) Mode Operation executed, the gaussmeter will transmit the command string back to the remote device.

  • Page 41: Series 9900

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued user should always wait for a "NOT BUSY" condition before issuing commands to the gaussmeter. Remote (Slave) Mode Operation When the host system's bus controller sends a command string to the gaussmeter, the gaussmeter must be programmed as a listener at the gaussmeter's preprogrammed primary address (via the COMMUNICATIONS FORMAT menu).
  • Page 42 9000 SERIES 9900 SERIES GAUSSMETERS SECTION V continued executed, the changes take effect immediately. The gaussmeter will return the command string using the new RS-232 characteristics. Remote ( S l a v e ) M o d e Operation When the gaussmeter is first powered on, its RS-232 interface will be disabled for about 40 seconds while the gaussmeter performs internal diagnostics and configuration.
  • Page 43 9000 SERIES 9900 SERIES GAUSSMETERS SECTION V I -A R S -232 PORT FUNCTION DESCRIPTION The gaussmeter, like most terminals, printers and computers, is considered a DTE (Data Terminal Equipment). A modem is a DCE (Data Communications Equipment). The SERIES-9900 gaussmeter's RS-232 port is implemented COMMUNICATIONS on a standard 25-pin female "D"...

  • Page 44: Vi-B R S -232 Electrical Interface/Handshaking3

    9000 SERIES 9900 SERIES GAUSSMETERS The host DTE asserts this line to indicate SECTION V I continued Pin-6: Data Set Ready (DSR) that the DTE G operative. Communications Interface Pin-7: Logic Ground (GNM This is the common return line for all other signals except earth ground (Pin-1).
  • Page 45 9000 SERIES 9900 SERIES GAUSSMETERS The gaussmeter supports two types of handshaking: hardware and software. SECTION V I continued Handshaking controls the flow of information between the two devices. A Communications Interface typical example of the need for handshaking would be a gaussmeter-to- printer connection.
  • Page 46 9000 SERIES 9900 SERIES GAUSSMETERS SECTION V I continued FOR 2 5 -PIN " D " Communications Interface FOR 9 -PIN " 0 " TD 2 2 T D RD 3 3 R D RTS 4 4 R T S CTS 5 5 C T S DSR 6...
  • Page 47 9000 SERIES 9900 SERIES GAUSSMETERS SECTION V I continued SHIELD SRQ NDAC D AV 0 1 0 4 D102 Communications Interface ATN I F C NRFD E O I 0 1 0 3 0101 7461122ZOOCCO ifirdrAITAMIM 12 11 10 9 8 7 8 5 4 3 2 1 24 23 22 21 20 19 18 17 18 15 14 13 If 1 F 1F 71- "...

  • Page 48: Vi-D I E E E -488 Electrical Interface4

    9000 SERIES 9900 • SERIES GAUSSMETERS SECTION V I continued -12: Earth Ground This line connects to the gaussmeter chassis which is connected to the center Communications Interface terminal of the line cord power receptacle. The use of this pin is optional and is normally tied to the shield of a shielded multi- conductor cable to minimize RFI/EMI radiation problems.
  • Page 49 VII-B POWER-UP SEQUENCE When the gaussmeter is first turned on, the display's backlight will turn on and the "F.W. BELL" logo will appear. Beneath the logo will appear messages indicating the state of the power-up procedure with the first being "INTERNAL DIAGNOSTICS IN PROGRESS."...
  • Page 50 Typically, only the first one or two digits are of any practical value to the user. The remaining information provides F.W. Bell with component-level information. The user should not attempt to make component-level repairs.

  • Page 51: Vii-C(J) Error 41Xxx

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION Vii continued V I I - C ( h ) ERROR 35xxx Diagnostic Error Codes This MINOR error indicates a failure on the processor card (item #201500) that prevents operation of the IEEE-488 interface bus. VII-C(i) ERROR 36xxx This MINOR error indicates a failure on the processor card (item #201500) that prevents the gaussmeter's setup information from being stored...

  • Page 52: Vii-C(R) Error 61Xxx4

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION VII continued V I I - C ( q ) ERROR 53xxx Diagnostic Error Codes This MINOR error indicates a failure in the CHANNEL 3 (right-most) probe interface module. Replace the module. VII-C(r) ERROR 61xxx This MINOR error indicates a failure in the CHANNEL1 (left-most) probe .

  • Page 53: Viii-A Overview4

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION V I I I VIII-A OVERVIEW The SERIES-9900 gaussmeter is housed in a standard VME-style cabinet/card cage. All cards and probe interface modules plug into a common, custom (non-standard) backplane via standard 32-, 64- or 96-pin SERIES-9900 DIN connectors.

  • Page 54: Viii-D Peripheral Control Card4

    9000 SERIES 9900 SERIES GAUSSMETERS SECTION VIII continued The +5 V digital power supply is converted to ±10 Vdc for the display module and to 90 Vac/400 Hz for the display backlight. Interconnection to both the Series-9900 Theory o f Operation display module and the pushbutton switches is made through multiple- contact connectors on the front end of the processor card.
  • Page 55 (uncorrected) waveform produced by the Hall device. VIII-F 4TH GENERATION HALL GENERATOR PROBE The F.W. Bell 4th generation probe assembly consists of a Halt Generator probe element terminated by a 9-pin circular, non magnetic twist-lock connector. The connector houses a 512-byte non-volatile EEPROM device programmed with the probes operating characteristics;...
  • Page 56 O M , 05151011511 102111T 4 - - 5.15,4445 < > 5f151•116 V42j15-114 540.11211 onoarpr L O E B - 4 • 4 °"c' s s°`' _J L PERPHERAL : g a t , M ▪ O ▪ N 451125.5 KUM sommr 404tAIOOC c=6,...
  • Page 57 9000 SERIES 9900 SERIES GAUSSMETERS SECTION IX IX-A INSTALLATION OF RACK MOUNTING OPTION The Rack Mounting Kit (Item #339192) consists of two mounting brackets with four metric flat head screws. INSTALLATION OF (1) To convert a standard bench instrument into a 19" rack mountable OPTION unit, loosen the small slotted screw on bottom of each Side Cover Plate, as shown in Figure IX-A.
  • Page 58 9000 SERIES 9900 SERIES GAUSSMETERS F. W. Bell offers an optional diskette containing five programs that APPENDIX demonstrate the use of the RS-232 and IEEE-488 communications ports on the Series 9900 Gaussmeter. Contact the factory to obtain this diskette. PROGRAMMING These programs were developed to provide the systems programmer with a INFORMATION working template that can be used as a guide when developing application...
  • Page 59 9000 SERIES 9900 SERIES GAUSSMETERS APPENDIX continued normally looks like <ESC>ME100000000<CR›. Replacing the "0"s with a Programming Information specific ASCII character string such as <ESC>MElabcdefgh<CR> the gaussmeter will return the command exactly as you sent it, if the channel is offline.
  • Page 60 9000 SERIES 9900 SERIES GAUSSMETERS RS-232 DEMO PROGRAM PRINT F. W. BELL SERIES-9900 / MODEL-9500 GAUSSMETER PRINT "* RS-232 DEMO PROGRAM PRINT "* PRINT PRINT PRINT "This program was written to assist users of the SERIES-9900 or PRINT " MODEL-9500 Gaussmeters who wish to control the instrument PRINT "...
  • Page 61 9000 SERIES 9900 SERIES GAUSSMETERS RS-232 Demo Program continued 355 C O M P O RT 1 = &H3F8 I/O ADDRESS 360 COMPORT1.LSR = COMPORT1 + 5 LINE STATUS REG 365 O P E N "COM1:9600,0,7,1,CS,DS,CD" AS #1 ' 9 6 0 0 BAUD,ODD PARITY, 7 BITS S e n d LOCKOUT-ON command until MASTER mode is terminated.
  • Page 62 9000 SERIES 9900 SERIES GAUSSMETERS RS-232 Demo Program continued 9055 ' * 3 ) IF THE GLOBAL VARIABLE "MATCH%" IS SET TO A NON-ZERO VALUE 9060 ' * ( M U S T BE INITIALIZED BEFORE CALLING THIS ROUTINE) AND THE 9065 ' * T H E RESPONSE DID NOT EXACTLY MATCH THE COMMAND STRING.
  • Page 63 9000 SERIES 9900 SERIES GAUSSMETERS IEEE-488 DEMO PROGRAM . . * * . . * . * * . * * * ..* * * * * * * . * * * * * * * A .
  • Page 64 9000 SERIES 9900 SERIES GAUSSMETERS IEEE-488 Demo Program continued 2060 2070 PRINT "Programming the MODE (GAUSS-DC)" 2080 COMMAND$ = MODE$: GOSUB 9500 2090 IF OUTLEN = INLEN THEN GOSUB 8000 ELSE GOTO 2070 2100 PRINT "Programming the RANGE (30G)" 2110 COMMAND$ = RANGE$: GOSUB 9500 2120 IF OUTLEN = INLEN THEN GOSUB 8000...
  • Page 65 9000 SERIES 9900 SERIES GAUSSMETERS IEEE-488 Demo Program continued 9600 C M D $ = "TRIGGER " + GM$: GOSUB 9070 9610 ' 9660 ' = = = = WAIT FOR GAUSSMETER TO FINISH COMMAND EXECUTION = - 9670 9680 C M D $ = "STATUS " + GM$: GOSUB 9070: IF D% <> &H40 THEN 9680 9690 ' 9700 ' - - - - INPUT COMMAND STRING ECHO AND DISPLAY IT 9710...
  • Page 66 This warranty i s expressly i n lieu o f all other tainer and surround the entire instrument with obligations or liabilities on the part of F.W. BELL, INC., two to three inches of shock-absorbing material. and F.W. BELL, INC. neither assumes nor authorizes...
  • Page 67 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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