Potomac Instruments 1900 Series Operation & User’s Manual

22, Potomac Instruments, Inc. 1900 Series Technical Manual Revised 020100 19 Step 2 From Table 3, select the desired new Monitor configuration. In Table 4, copy the reference assignments for the selected new configuration into the REF–NEW row for positions A thru D. Step 3 Referring to the Mo…

35, Potomac Instruments, Inc. 1900 Series Antenna Monitor Factory Configuration General Information Rev A Customer / Order Number Date Model Number  1901  1903  1902 Included Chassis Serial Number Number of Towers  2  3  4  5  6  7 …

25, Potomac Instruments 1900 Series Potomac Instruments, Inc. 1900 Series Technical Manual Revised 020100 22 Mode Module 1920 JP1 and JP8 Positions PATT Switch Effects Contact Closure Effects* AJP1, 1 JP8, 2 Toggles between Local Day / Local Night Disabled BJP1, 1 JP8, 3 Toggles between Local Day / Local Night  Sets 1901 p…

23, Potomac Instruments, Inc. 1900 Series Technical Manual Revised 020100 20 1910 Module Position → →→ → A B C D DA-1 RD NR NR NR RD RN NR NR DA-2 RDN NR NR NR RD RN R3 NR RD RN3 NR NR RDN R3 NR NR Directional Antenna and …

14, Potomac Instruments, Inc. 1900 Series Technical Manual Revised 020100 11 3 OPERATION 3.1 Overview Ratio, amplitude, and phase are displayed on the 1901 Monitor or the 1902 Display/Control for one tower at a time. Towers are selected for display as required. When using the 1902 with the 1901,…

27, Potomac Instruments, Inc. 1900 Series Technical Manual Revised 020100 24 If any of the voltages are significantly higher than the specified voltage the power supply should be checked and/or replaced. Significantly higher voltages may also have damaged other components with…