Equipment information
BK Precision 1856B Counter
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Model:
1856B
Date:
Category:
Group:
Description:
2.7GHz Frequency Counter
Information
FEATURES
* TCXO (temperature compensated crystal oscillator) time
base, high stability & accuracy.
* High sensitivity for the VHF & UHF frequency measurement,
useful for the.CB amateur.
* Wide measuring range up to 2.7 GHz.
* Used the exclusive Microprocessor IC offered the
intelligent function: Frequency, Period,
Multi resolution, Data hold, Relative measurement,
Data record ( Max., Min., Average reading ).
* 8 digits, 18.3 mm large LCD .
* 0.1 Hz resolution for 10 MHz.
* LCD display for low power consumption & clear read—out
even in bright ambient light condition.
* Power supply from battery or AC to DC 9V adapter.
* RS 232 PC serial Interface.
Manual Type:
User Manual
Pages:
17
Size:
574.30 Kbytes (588084 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2017 01 24
MD5:
8f342d6fa0d777c850bdc9ebd5410513
Downloads:
536
Information
• SPECIFICATIONS ... 3
• IMPORTANT SERVICE SAFETY
NOTES (for USA) ... 4
• NOTE TO SERVICE PERSONNEL ... 5
• OPERATION MANUAL ... 9
• REMOVING OF MAJOR PARTS ... 16
• RESETTING THE TOTAL LAMP TIMER ... 20
• THE OPTICAL UNIT OUTLINE ... 21
• ELECTRICAL ADJUSTMENT ... 23
• TROUBLE SHOOTING TABLE ... 31
• CHASSIS LAYOUT ... 70
• BLOCK DIAGRAM ... 72
Page Page
• OVERALL WIRING DIAGRAM ... 76
• WAVEFORMS ... 77
• SCHEMATIC DIAGRAM ... 105
• PARTS LIST
èELECTRICAL PARTS ... 108
èCABINET AND MECHANICAL PARTS ... 120
èACCESSORIES PARTS ... 124
èPACKING PARTS ... 124
• PACKING OF THE SET ... 125
CEILING MOUNT BRACKET (AN-A10T) ... 126