7Performance Tests  
Agilent U1602B/U1604B User’s and Service Guide  153
The self- calibration error code carry 15 bits (0 to 14 as stated in the bit 
number in Table 6- 1). The bit number is expressed in hexadecimal with 
pass as “0” and fail as “1”. See below for examples:
1 In all pass status, the instrument displays “OK” instead of hexadecimal 
code (0x0000)
2 In all fail status, the instrument displays 0x7fff.
0000      0111     1111     1111     1111
 0x           7           f           f           f      (Hexadecimal code)
3 If multi- error occurred in TE3, TE4, OE2 and OE3, the hexadecimal 
code “0x600C” will be displayed as self- calibration result.
0000      0110      0000     0000      1100
 0x         6           0          0           C        (Hexadecimal code)
bit [15]
bit [0]