HP 3457A Service Manual page 53

3457A Operation
© Set the Scan Advance to Auto - Press the SCAN ADV / O configuration key. Use the f / AUTO or
| / HOLD scroll key to display AUTO:2 and press the ENT / LAST ENTRY key.
© Enable the Reading Memory - Press the CONFIG / R configuration key then the ENT / LAST ENTRY
key.
© Allocate Reading Memory space (each reading requires 4 bytes of memory) - Press the Blue SHIFT key
then the TERM / M configuration key. Use the | / HOLD scroll key to display MSIZE. Enter the number
40 (10 readings times 4 bytes) and press the ENT / LAST ENTRY key.
© Select the channels to be measured - Press the Blue SHIFT key then the RECALL / S configuration key.
Use 1 / HOLD scroll key to display SLIST. Enter the number of each channel you wish to measure fol-
lowed by a comma (,) to separate them (example: 0,1,2,3,4,5,6,7,8,9). Press the ENT / LAST ENTRY key, (As
many as 16 single digit channel numbers can be entered at one time. The number of readings (NRDGS)
should be set to match the number of channels entered).
© Make the measurement - Press the SINGLE / F configuration key to start the measurement sequence.
The instrument will read each channel listed and store the readings in memory.
© Recall the readings - Press the Reading Memory RECALL / S key then the ENT / LAST ENTRY key.
The reading displayed is the last reading taken. The readings are shifted into memory so that the first
reading taken is in the highest number memory location. The last reading taken is in memory location 1.
Use the t / AUTO and J / HOLD scroll keys to view the measurement readings. Use the + and > display
keys to read the total display contents.
© To repeat the same set of measurements - Press the CONFIG/R configuration key then the
ENT / LAST ENTRY key to clear the reading memory. Press the SINGLE / F configuration key to start
the new reading sequence.